- test-drb@ccmp.vtda.org - classiccmp.org

OT: Care and feeding of vacuum tube electronics?

by gregorym＠cadvision.com

Hi. I recently acquired a 1950's vintage Gibson GA-30 guitar amp. Never having owned a tube-based amp before, I'm clueless about the proper way to use this amp without abusing it (and it sounds great, so I want it to last a long time! :v) . For example, should I allow the tubes to warm up for a few minutes before playing, and are there any special precautions I should follow after playing (i.e. do I need a cool-down period before powering down?). Any advice would be much appreciated. A quick Web- search didn't reveal much except prices on used equipment. Thanks! Mark.

27 years

3
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no rom basic

by fpp＠concentric.net

Hi, Just a few possibilities. Some hard drives will cause the above message if the 0 track has been altered (written over) linux is well know for this and the only way I know to resolve this is to low level format the drive. A lot of 386 and early 486 Award BIOS machines have an option of hard drive utility. If you do you're all set. I chose a 3 for the interleave value. Try and boot the computer from the floppy, then run fdisk to see if you can reset the hd. Check to see if any of the jumpers are missing from the pcboard part of the drive. Try typing the drive manufacture and model in Alta-Vista and see if the specs come up. That usually works for me. If you have no set-up disk..... try the following on boot to get to the setup up Menu. 1) Hit CTRL+ALT+S or 2) Hit CTRL+ESCP or 3) Hit DEL Paul At 06:21 PM 2/7/99 +0100, royston hill wrote: >Hi ,can you assist .we have a old 386 with a conner 80 meg HD .We needed >to clean same and used the zero fill from disk manager on boot up. we >got message NO ROM BASIC >SYSTEM HALTED we cannot find anything on this >error message.or what we did wrong ?????? regards from africa ROY HILL >

27 years

2
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Help: scanning old computer manuals

by roblwill＠usaor.net

Try setting the scanner on either grayscale or monochrome, 150-200dpi. This is what I use when scanning any tyoe of documnentation. I have an Artec 4800dpi scanner. -Jason -----Original Message----- From: Jay West <jlwest(a)tseinc.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Sunday, February 07, 1999 12:14 PM Subject: Help: scanning old computer manuals >Ok, I've finally gotten around to attempting to scan a lot of the classic >computer documentation that I have. However, I have run into a problem >perhaps some here could shed some light on... > >Whenever I scan a page from a manual, the scanned image on the screen looks >horrible. However, when I print it out it is absolutely perfect. Yes, I've >tried zooming in on the image on screen, it is unreadable still. One more >twist is that if I send the image to my OCR software, it turns it into text >with almost perfect accuracy. My scan settings are Line Art at 300dpi. > >My scanner is legal size, a scanport 2400 and the application software is >Uload Photoimpact SE. My printer is an HP deskjet 820cse, and the video card >in my system is a Diamond speedstar A50 w/8mb ram. Since the scanned >document looks bad even when still in the scanmodule driver (before getting >passed to the graphics application), I don't think photoimpact has anything >to do with it. > >I wanted to put some of the scanned documents up on the web, but since they >look horrible on screen I'm not sure how to proceed. Of course, they can be >downloaded and printed and look great, but... I have downloaded old dec >documentation that looked fine onscreen and printed fine too. > >Any suggestions? What am I doing wrong? > >Jay West > >

27 years

1
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Abject apology for spam response

by gram＠cnct.com

Sorry about that. Wasn't paying much attention and rather assumed that the advertiser had set the response address to itself. Glad I also neglected to attach the images. (If you want to see them, they're on my home page and no, I didn't create them). OBclassic: anybody got a copy of TRS-edit (a vi clone) for the Radio Shack Color Computer that they're not using? The current GNU equivalents seem to crash my system during the compile, I think that they're too big for a 512k OS-9 system, or else I've got a hardware memory problem -- and the CoCo 3 memory kits are rather hard to find these days. -- Ward Griffiths <mailto:gram@cnct.com> <http://www.cnct.com/home/gram/> WARNING: The Attorney General has determined that Alcohol, Tobacco, and Firearms can be hazardous to your health -- and get away with it.

27 years

2
1
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no rom basic

by rackland＠intekom.co.za

Hi ,can you assist .we have a old 386 with a conner 80 meg HD .We needed to clean same and used the zero fill from disk manager on boot up. we got message NO ROM BASIC >SYSTEM HALTED we cannot find anything on this error message.or what we did wrong ?????? regards from africa ROY HILL

27 years

4
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Kennedy tape drive part

by museum＠techniche.com

Sam, Got 'em. Reply with your mailing address OK? Jon ====================================== >On Sat, 30 Jan 1999, Jon Healey wrote: > >> If anyone wants me to pick up any let me know. >> >> They're 50 cents apiece plus shipping, which shouldn't >> be much. >> >> There were quite a few so I don't think that supply is a >> problem. >> >> Let me know soon. > >Sure, send me a dozen. Thanks. > >Sellam Alternate e-mail: dastar(a)siconic.com >------------------------------------------------------------------------------ >Always being hassled by the man. > > Coming in 1999: Vintage Computer Festival 3.0 > See http://www.vintage.org/vcf for details! > [Last web site update: 01/15/99] > >

27 years

1
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Ridiculous Osborne Revisited

by joe＠barrera.org

>The guy that did the high bid last time (Imsai) bought my Kaypro 2X and >I asked him if the seller made a deal with him since it came below the >"reserve" and believe it or not the dummy seller let a $400 bid slide. Hi Russ ("alice"), Well, once again I high bid on the thing -- this time it closed at $51.01 -- hey, if this keeps up, maybe after three more auctions, he'll give up and let me (as high bidder) get it for $17.38... :-) - Joe ("imsai")

27 years

1
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Laptop ID

by SUPRDAVE＠aol.com

In a message dated 99-02-06 19:56:01 EST, you write: << On Sat, 6 Feb 1999, Ward Donald Griffiths III wrote: > Francois wrote: > > > > Hi, > > This gives a new meaning to the term LOG IN. > > Ok i'll add the :) just to be sure that nobody ask me how I can Log in into > > a wooden laptop (: > > By the way did you get the docking station with it? > > Francois > > > > >I've found a rare transitional form between the ancient abacus and the > > >modern laptop: the wooden laptop! OK, it's a pre-prototype mock-up of a > > I wouldn't feel any need to log in to a wooden computer. I'd just > politely axe for permission to enter. But, only if you saw it first. - don >> let's just hope you can login as root.

27 years

1
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no rom basic

by edick＠idcomm.com

what the message you're seeing says is that you may have forgotten to activate the partition, which you must do in all cases where you don't use the "entire drive" in your primary partition. try that, and see if it doesn't fix your problem. Dick ---------- > From: royston hill <rackland(a)intekom.co.za> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: no rom basic > Date: Sunday, February 07, 1999 10:21 AM > > Hi ,can you assist .we have a old 386 with a conner 80 meg HD .We needed > to clean same and used the zero fill from disk manager on boot up. we > got message NO ROM BASIC >SYSTEM HALTED we cannot find anything on this > error message.or what we did wrong ?????? regards from africa ROY HILL

27 years

1
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Euro on old computers

by Philip.Belben＠PowerTech.co.uk

>> ObCC: so what did you UKans do to get your funny-looking L on >> computers, terminals, and printers imported from ASCII-speaking >> countries? > > It's character 0xA3 (decimal 163, octal 243) in ISO Latin 1, and most > systems that don't have a special key for it map it to the "#" key. On > older systems, quite often the drivers replace the "#" character with the > pound symbol, but some replace the "$". ISO Latin on a classic computer? Pull the other one! ISTR that the IBM PC had it at decimal 156. I have seen it replace $, #, \ (Commodore VIC) and ` (IIRC FTS Series 88, which loaded the character set >from disk at boot). Diablo 96-spoke daisywheels used either ESC-Y or ESC-Z (Not in a position to look it up and I can't remember what the 96th spoke was for, either) Philip.

27 years

2
1
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new toy!

by allisonp＠world.std.com

<> The 1002 HOST interface has a different address, register command <structure > though there are similarities wbeing both from WD. < <How do the above relate to the 8-bit IDE interface? The 8bit IDE looks like the 1002WA ISA 8bit controller. The 1002HDO host interface however does not. In the 8bit worlds there seems to be three different schemes. <> In any case adding a hard disk to kaypro requires utility software, an <> interface and BIOS. < <But if you have the TurboROM, you already have all of that with the <exception of the interface. How big a chore would it be to adapt the <WD1002/Host interface to the 8-bit IDE? If one could do that with <minimum difficulty, it could provide an easy 40mb of HD storage - a huge <amount on a CP/M machine. It's not easy. The host interface only allows for a few address lines and 8bit IDE is both scarce ands strange. For practical use and the difficulty of interface doing a 16bit IDE converter is more practical. The real problem is you no matter what will be writing a bios for the kaypro. People with the correct controller and MFM disk are already faced with things like the drive needs replacing and there is no formatter or partition utility if the drive is greater than 8mb. Check out TCJ #80, a 1002WXA or similar is easy as pie to interface to a 8bit bus (like the host adaptor port). and they are common enough as they were about the best thing for the XT class. It means using a MFM drive but, st225s and st251s are common and there are old 3.5" mfms that work good with those too. The bios problem remains though. Oh, 40mb would have to be sliced (partitioned) into 5 8Mb logical drives under cpm. I know as my SB180 and AmproLB both have 20 and 45mb drives. Under CPM even 5mb is a lot of space and a 1.44mb floppy is very roomy. The 781k format allows me to have all of my most common utilities and programming tools on one drive and work space on another. That good enough. Allison

27 years

4
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Laptop ID

by roblwill＠usaor.net

Actually, I though ":)" meant that the person typing was smiling when they when they wrote it. >> BTW, " :) " is an extremely rude and nasty way to insult somebody by stating >> that they are too stupid to know what is or isn't a joke :-)

27 years

1
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Ridiculous Osborne Revisited

by rhblake＠bigfoot.com

Seems the bidders are losing interest, not to mention he's changed the title of it where it doesn't reflect the word Osborne (so a search doesn't show it). There's less than 8 hrs on it and the high bid is $12.... The guy that did the high bid last time (Imsai) bought my Kaypro 2X and I asked him if the seller made a deal with him since it came below the "reserve" and believe it or not the dummy seller let a $400 bid slide. It's listed on e-pay right now as http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=62164945 in case anyone has any interest.

27 years

1
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Need a copy of TRSDOS 6 OS

by steverob＠hotoffice.com

I am having a little trouble with my TRS Model IV . When I boot off of the TRSDOS system disk, the system prompts for the time and won't go any farther. When I enter the time, it clears the field and prompts again. The computer works just fine with all my other software so, I suspect the disk is corrupt. If anyone has an extra copy of TRSDOS 6.x laying around, I'd really appreciate it. TIA, Steve Robertson <steverob(a)hotoffice.com>

27 years

6
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Abject apology for spam response

by mbg＠world.std.com

>Sorry about that. Wasn't paying much attention and rather assumed >that the advertiser had set the response address to itself. Glad I >also neglected to attach the images. (If you want to see them, >they're on my home page and no, I didn't create them). The guy was a spammer... the only way to stop them is to make them hurt by NOT giving them any business... I know I won't... I don't do business with ANYONE who spams, even if I were otherwise in need of their service... Megan

27 years

1
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photographing olf computers/parts

by sinasohn＠ricochet.net

At 09:28 PM 2/4/99 +0000, you wrote: >> are quite adequate. Screens are about 72dpi, my Sony Mavica FD-71 is >> 640x480 (or a little over 100dpi for a 4x6 photo). > >Digital cameras are not cheap enough to be worth buying just to stick >pictures on the web. For the same cost I could probably get a second-hand >'classic' camera, and have a lot of fun restoring it, and then take some >real pictures. Consider: Sony Mavica: $660 Take picture, size, and upload. Scanner (Cheap) $50 Cheap 35mm Camera $50 Film - dollar or two per roll Developing (Cheap) $4 per roll ScanTime (I got it down to 4 minutes per pic) So, for 24 pics: Sony Scan $660 $105 Equip/Supplies $ 0 $ 96 Scan time (at $60/hr) $ x $ x Size/Upload (same for both) ---- ---- $660 $201 Now for multiple rolls (say 5): Sony Scan $660 $125 Equip/Supplies $ 0 $480 Scan Time ---- ---- $660 $605 The more you take, the more cost effective it becomes. (Mind you, I don't know how you value your time, but waiting for a scanner hardly seems a good use of my time). I know I've taken a lot more than 5 rolls worth of digpics -- Take a look at <http://www.sinasohn.com/urbadv/phalbum.htm> for example. And I've got a lot of classic computers to take too. The Mavica is not the cheapest DigCamera either. If you go for one of the less expensive models, your costs go way down. > >Also those digital cameras are too darn small. I don't fancy having to >fix the thing... > >-tony > > > --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

3
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AD:Family Reunion T Shirts & More

by print4ever＠micronet.net

Message sent by: Kuppler Graphics, 32 West Main Street, Maple Shade, New Jersey, 08052, 1-800-810-4330. This is a one time mailing. This list will NOT be sold. All addresses are automatically added to our remove list. Hello. My name is Bill from Kuppler Graphics. We do screenprinting on T Shirts, Sweatshirts, Jackets, Hats, Tote Bags and more! Do you or someone you know have a Family Reunion coming up? Kuppler Graphics would like to provide you with some great looking T Shirts for your Reunion. Kuppler Graphics can also provide you with custom T's and promotional items such as imprinted magnets, keychains, pens, mugs, hats, etc. for your business or any fundraising activity (church, school, business etc.) We are a family owned company with over 15 years of experience. All work is done at this location. No middle man. Our prices are great! Please click reply to email us to receive more info or call 1-800-810-4330 Thanks for your interest Bill Kuppler Graphics

27 years

2
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Need a copy of TRSDOS 6 OS

by fauradon＠pclink.com

Hi, Check this site out http://wwws.enterprise.net/fortknox/emoticon/smiley.html Francois >Sam, >I am still a newbie to this group and the internet. Please answer this question. >What does :) mean? >John Amirault >

27 years

2
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Wanted: Just about anything IMSAI

by allisonp＠world.std.com

<Compupro made a Z80 slave card that supported between 64K and 256K or RAM <that had a RS-232 port. If I recall correctly you could only put 8 of thes I don't see it in my old catalogs. the closest one was MPX-1 with an 8085, 16k ram, Transient master and interrupts(8259a). Teltek, Konan, Macrotek and SDS did make them however. <There was another method of placing multiple CPU on your bus. That basical <ment building a Single Board Computer (SBC) that could use the S-100 <Temporary Master Access (TMA) hand shaking. The S-100 supported up to 16 o <these TMA on a bus. The advantages is the TMA's tended to use the bus more <efficiently comparied to slaves boards with requried a bus master present <servicing them. I don't know who use to make SBC that fully IEEE 696 <standard for TMA access but do know that they were out there. Been there done that. Used 4 z80s in a symetrical loosely coupled multiprocessing system. One requirement is local and public pool memory that any DMA (device or transient master) can address. Allison

27 years

1
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Fwd: Old computers

by Roger＠Sinasohn.com

An aside, if anyone is interested in a IIgs, IIe, or Atari 800, please let me know; there's a thrift shop hereabouts with them. FYI... Reply to: >From: DUpah19927(a)aol.com >I was browsing through your web site about the old computers that you collect. >I have a couple of old computers myself that I am looking to sell. If you >would like to have them or know of anyone else that would like them, please >let me know. > >I am attaching the pictures of the computers I have right now. The first is >an Apple IIc+. The other is an Epson Apex, built in 1980. > >Let me know, >D > >Attachment Converted: "C:\DOWNLOAD\ATTACH\EPSON.zip" > --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

2
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Trash or Treasure?

by jolminkh＠nsw.bigpond.net.au

>I have an old IBM motherboard in front of me, and not really sure if it's >worth keeping/trading or (gasp) trashing. It's marked "16KB-64KB CPU" on >the top, 3 of the 4 banks or RAM are occupied. IBM chips are dated >1981/1982. Otherwise I don't really know what to look for in identifing >this. Well I'd keep it. Thats the original IBM PC motherboard. The only other question would be which of the first few bios revisions it has.

27 years

1
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Wooden Laptops [ Re: Laptop ID ]

by joebar＠microsoft.com

Speaking of wooden laptops... check out http://www.luddite.com/ludditehome/product.html - Joe :-) ----- Original Message ----- From: Nev Dull <nev(a)bostic.com> To: /dev/null <nev(a)bostic.com> Sent: Thursday, February 04, 1999 1:05 PM Subject: HTML O' The Day > >http://www.luddite.com/ > ... the finest in custom wooden computing. >

27 years

1
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~OT: Computer misconceptions

by fauradon＠pclink.com

Computers do what you tell them to do, not what you want them to do (some of us can manage both;) Francois >A classic misconception, fostered by humans... When your bill is wrong, >your bank >account balance screwed up, your paycheck short.. They say IT WAS A >COMPUTER ERROR! > > Will > > >Max Eskin wrote: >> >> Hi, >> I'm thinking of putting together an FAQ-like document intended to combat >> the stupid ideas people have about computers. So, does anyone have any ideas >> for common misconceptions about computers that I should address? So far, I >> have the places various things originated (i.e. IBM did _not_ invent the >> PC, Apple did _not_ invent the GUI, etc.) >> >> --Max Eskin (max82(a)surfree.com) >

27 years

2
1
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Need a copy of TRSDOS 6 OS

by fauradon＠pclink.com

I don't think that 2/5/99 is a more valid date than 5/2/99 Anyways the Europeans got it right you are the one writting the date backward. The proof is that everyone in europe places the day first so they must be right. Hint the Europeans go in increasing relevance: day/month/year and not the very unelegant month/day/year. Why don't you set the time in Minutes:Seconds:Hours while you're at it? Francois Disclaimer: I've adopted the US standard now but I think it sucks. >Are you sure you're entering the time in the "correct" format (i.e. not >like those silly Europeans who put the day before the month?) > >Sellam Alternate e-mail: dastar(a)siconic.com >--------------------------------------------------------------------------- --- >Always hasslin' the man. > > Coming in 1999: Vintage Computer Festival 3.0 > See http://www.vintage.org/vcf for details! > [Last web site update: 01/15/99] >

27 years

3
3
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Help: Thinker toys Wunderbuss???

by dogas＠leading.net

I have a chance to get an old system but I'm having trouble locating info for it.... It's a homebrew (s-100??? mounted on plywood for chriscakes). Thinker toys Wunderbuss, 11 slot mb, 2x8" drives, 2x(stringy?)wafer drives, alot of wirewrap boards... maybe a punchtape/reader :) !!! Can anyone give me more/any info on this type of setup?? Thanks - Mike

27 years

2
1
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Basis 108 (was: TRW Swap Meet)

by fmc＠reanimators.org

Marvin <marvin(a)rain.org> wrote: > BASIS Incorporated > 5435 Scotts Valley Drive > Scotts Valley CA 95066 > (408) 438-5804 > > This would seem to imply that there should be quite a few more over here > somewhere. Hmm. I'm just flipping through some issues of the First Basis Users Group newsletter, and it looks like Basis in Scotts Valley was out of business by October 1983 (with its inventory being bought by an "investor" and re-sold through a couple of other companies on west and east coasts), and other attempts at establishing a distributorship through other US-based companies met with varying degrees of failure, with the end result being that if you wanted a Basis you had to buy it >from Basis in Germany or find a dealer willing to do that for you. And it looks like there was some sort of Basis in Germany into at least 1987 when I run out of newsletters. But yeah, I have one, a friend has one, he had another one when he lived back east, I've seen others go by, and they were very nice machines, superior to Apple ][s in several ways. So I don't think the 108s are that uncommon in the US. A 208, now.... -Frank McConnell

27 years

1
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3-phase (was: Re: CDC 9766 Drive and packs)

by Philip.Belben＠pgen.com

> so don't get the idea that you can > run it in your house or garage. My parents have 3-phase electricity at home, but I don't (yet). But I think it's more common in the UK than in the US. (BTW my parents have a 16th century farmhouse which they heat electrically during the winter. Maximum load we've measured, 36kW.) I am told (I think it was Toy Duell first pointed it out to me) you can get reasonable 3-phase using a largeish induction motor (say a mechanical rating 2 or 3 times the electrical load you want to connect), without a mechanical load: wiring one phase to ground, a second to line, and the third to line through a capacitor for an approximate 60 degree phase shift. The induction motor will also act as a generator, and produce enough emf to tidy up the phase relationships and voltage imbalance. But be warned - you will not have the right voltage, and one of the phases (rather than the star point) will be at ground potential. A bank of three single-phase isolating transformers should do the trick if either of these is critical (a single autotransformer, upstream of the converter, will also work if only voltage is critical.) Also be warned. I am confident that this works _in theory_ but I have never tried it. Philip.

27 years

13
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Wanted: Just about anything IMSAI

by dragon＠panix.com

>> Three questions: >> >> Where will you be shipping from? >> >I'm in Denver I am in New Jersey. >> How much do you want? >> >I'd settle for a similar function for the ISA bus. I don't have any ISA cards to give away, so I offer you $10 per card. >What's a slave card? A Slave S-100 card usually have some memory, a CPU and at least a RS-232 connector. What would happend is that when your system started up. Your master CPU on the S-100 bus would load the memory of the slave cards with something, like the slaves own version of CP/M. You could have as many of these things as you box could fit. There were a number of way I/O to the the users of the system could be accumplished. One was route all the slaves I/O to the user throught the the s-100 bus to a I/O card connected to the users terminal. The other and more tipical way what to have each user have their termianl connected to the slaves RS-232 port. The drawback to this method was there had to be a bus master handling all bus traffic to an from I/O devices such as disk drives for each of these slaves since the slaves could not do it themselves. Compupro made a Z80 slave card that supported between 64K and 256K or RAM that had a RS-232 port. If I recall correctly you could only put 8 of these on you bus. But you could hack them to put as many as your bus supported. This is the type of board I am looking for. There was another method of placing multiple CPU on your bus. That basical ment building a Single Board Computer (SBC) that could use the S-100 Temporary Master Access (TMA) hand shaking. The S-100 supported up to 16 of these TMA on a bus. The advantages is the TMA's tended to use the bus more efficiently comparied to slaves boards with requried a bus master present servicing them. I don't know who use to make SBC that fully IEEE 696 standard for TMA access but do know that they were out there. >I have a couple of primitive (as primitive as any S-100 board) SBC's from >whoever made the famous SBC-100 and SBC-200. I have one of each, I think, >and they're in unknown condition, as I inherited them from someone who was >moving away and didn't want to haul them. What an SBC-100 and a SBC-200 do? Keep me in mind should you know of anyone who has IMSAI 8080 system for sale out in your neck of the woods. Michael

27 years

1
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FS: M868, M8650

by jlwest＠tseinc.com

I'm not quite willing to give away my secret source yet (they're a commercial source), but I wanted to let folks know in case anyone is desperately searching for the following.... My source has several omnibus modules available: M868 simple dectape control $100.00 plus shipping M8650 console interface $100.00 plus shipping Let me know if interested... Jay West

27 years

5
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Need help on old Tandy stuff -- Allison? Anyone else?

by sinasohn＠ricochet.net

At 09:32 PM 2/4/99 +0000, you wrote: >me wants the machine code monitor. But the user in me wants to be able to >enter text. And most people are just users. I didn't know there *was* a user in you. 8^) >Yes, you could get text editor ROMs for the HX20. But you couldn't buy an >HX20 and start using it to enter text in the field. That, IMHO, is why >the M100 was more successful. Don't underestimate the value of a RatShack on every corner. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

2
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Help: Thinker toys Wunderbuss???

by edick＠idcomm.com

It's difficult to give you information about wirewrapped boards. What, exactly, did you want to know. You're probably right in that the backplane is S-100, since that's what the Wunderbuss was. It's clear what the 8" floppy drives are. I certainly can't tell you what the punch/reader is if you can't tell. Mounting a motherboard on plywood was an easy way to do things if you knew well in advance that you needed to "get at" the boards with 'scope probes, etc. It saved extender boards and the associated problems. Dick ---------- > From: Mike <dogas(a)leading.net> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: Help: Thinker toys Wunderbuss??? > Date: Friday, February 05, 1999 5:16 PM > > I have a chance to get an old system but I'm having trouble locating info > for it.... > > It's a homebrew (s-100??? mounted on plywood for chriscakes). Thinker toys > Wunderbuss, 11 slot mb, 2x8" drives, 2x(stringy?)wafer drives, alot of > wirewrap boards... maybe a punchtape/reader :) !!! > > Can anyone give me more/any info on this type of setup?? > > Thanks > - Mike

27 years

1
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Commodore 64 stuff wanted

by dgm+＠pitt.edu

I'm specifically looking for a power supply for a Commodore 64, but I'd also like to pick up some old documentation, too. In particular, I used to have the "Programmer`s Reference Manual" and a book that mapped all of the memory locations and described the kernel routines in detail. Any info would be appreciated. I'm in the Pittsburgh, Pa area. Dave McMurtrie

27 years

2
1
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Need a copy of TRSDOS 6 OS

by steverob＠hotoffice.com

Actually, I meant to say "Date" not "Time". Can't blame this on the europeans. "02/04/99" should work either way. Actually, I assumed that it was operator error but the other apps work OK. Since the other software works properly (IE: Profile III), I "think" we can eliminate hardware problems. And... since the dummy behind the keyboard (Me) is functioning correctly, that only leaves the software. Another question: There are several sites on the net that have Model III and IV software on-line. How do I get the software from a modern Pentium (surfing machine) on to a diskette that is readable by the Model IV? I also have a TRS-80 TL2 with 5-1/4 and 3-1/2 inch drives. Can I download the software on to a 720K disk and then transfer it 360K using the TL2? Thanks... Steve Robertson - QA Team Leader <steverob(a)hotoffice.com> -----Original Message----- From: Sam Ismail [SMTP:dastar@ncal.verio.com] Sent: Friday, February 05, 1999 2:24 PM To: Discussion re-collecting of classic computers Subject: Re: Need a copy of TRSDOS 6 OS On Fri, 5 Feb 1999, Steve Robertson wrote: > I am having a little trouble with my TRS Model IV . When I boot off of the > TRSDOS system disk, the system prompts for the time and won't go any > farther. When I enter the time, it clears the field and prompts again. Are you sure you're entering the time in the "correct" format (i.e. not like those silly Europeans who put the day before the month?) Sellam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------ ------ Always hasslin' the man. Coming in 1999: Vintage Computer Festival 3.0 See http://www.vintage.org/vcf for details! [Last web site update: 01/15/99]

27 years

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Need a copy of TRSDOS 6 OS

by cmcmanis＠mcmanis.com

At 11:23 AM 2/5/99 -0800, Sam Ismail wrote: >On Fri, 5 Feb 1999, Steve Robertson wrote: >> I am having a little trouble with my TRS Model IV . When I boot off of the >> TRSDOS system disk, the system prompts for the time and won't go any >> farther. When I enter the time, it clears the field and prompts again. >Are you sure you're entering the time in the "correct" format (i.e. not >like those silly Europeans who put the day before the month?) Try entering a 1998 date. The year '99' to TRSDOS may be "special" in the sense that they code it to mean "date not initialized". If this fixes it then you've just entered the Y2K Zone ... --Chuck

27 years

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1130 has been claimed

by Jgzabol＠aol.com

In einer eMail vom 05.02.99 16:09:15 MEZ, schreiben Sie: << John, Hi. Do they have a website? If yes, can you supply the URL? Thanks, John Amirault Jgzabol(a)aol.com wrote: > There is a _WORKING_ 1130 at the IBM Museum in Sindelfingen, Germany. > > John G. Zabolitzky >> As far as I know, they do NOT have a web site. I believe telephone is the only way to get into any contact with them. John

27 years

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Wanted: Just about anything IMSAI

by dragon＠panix.com

I am trying to get 2 more IMSAI 8080. Does any one out there have one for sale Michael

27 years

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Need a copy of TRSDOS 6 OS

by fauradon＠pclink.com

Me Too... I didn't mean to read hostile;) Francois >Oops. I forgot to add the :) at the end to prevent people from getting >hostile ;)

27 years

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photographing olf computers/parts

by sinasohn＠ricochet.net

At 05:22 AM 1/29/99 +0000, you wrote: >> If I were you I'd invest in a good digital camera though. I use an >> Olympus D-220L and its fab. The pictures it takes are excellent. > >Hmm... All the consumer-grade digital cameras that I've seen have a >resolution that's noticeably worse than a good lens/film combination. And But if your intended destination is a web page, most consumer grade cameras are quite adequate. Screens are about 72dpi, my Sony Mavica FD-71 is 640x480 (or a little over 100dpi for a 4x6 photo). And I'll say that the Mavica is incredible with a 10x zoom and good resolution. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

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Need a copy of TRSDOS 6 OS

by steverob＠hotoffice.com

*1987*... Now there's foresight! Well... That sounds like the problem. I had tried some other years in case the "99" was the problem but, didn't think to try anything that far back. I'll give that a try when I get home. I Don't have my Linux box running at the moment so, I'll grab the emulator later. Thanks. Steve Robertson - QA Team Leader <steverob(a)hotoffice.com> -----Original Message----- From: Ward D. Griffiths III [SMTP:gram@cnct.com] Sent: Friday, February 05, 1999 3:17 PM To: Discussion re-collecting of classic computers Subject: Re: Need a copy of TRSDOS 6 OS The problem is that TRSDOS 6 will not accept _any_ date after 1987. That applies to 6.0, 6.1 and 6.2. Try giving it a 1986 date and see if it takes it. Supposedly, it is still possible to get the update to TRSDOS to fix this from Tandy, however it is not necessary. Go to Tim Mann's web page, where he has available for download the final release of LS-DOS, which has the fix. http://www.research.digital.com/SRC/personal/Tim_Mann/trs80.html Oh, and while you're there, and if you run Linux or any other flavor of *nix, grab a copy of his newest improved xtrs TRS-80 emulator. I am now running Model One Scripsit and VisiCalc on my P133 notebook with no need to use dosemu as a go-between as was the case with the other emulators I'd tried. (There's a .rpm of the version a couple of patchlevels back at contrib.redhat.com). -- Ward Griffiths "the timid die just like the daring; and if you don't take the plunge then you'll just take the fall" Michael Longcor

27 years

2
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Building boot disks for PC RT 6150

by SUPRDAVE＠aol.com

In a message dated 99-02-05 14:38:40 EST, you write: << I want to confirm that RT is really sick by trying different boot disk because both of my diagnostic and boot install disk always gives rapid flashing "99". What part can cause this problems even it did booted the disks but it stops with this error? >> i was meaning to get out my RT info to check, but never got a round tuit. you might want to post to comp.sys.ibm.pc.rt not much traffic, but i'm sure someone will respond to you there.

27 years

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1130 has been claimed

by Jgzabol＠aol.com

There is a _WORKING_ 1130 at the IBM Museum in Sindelfingen, Germany. John G. Zabolitzky

27 years

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Panasonic Hand Help Computer

by msg＠computerpro.com

Greetings, I am aware that the Panasonic HHC was a topic on this list some time ago; I have not yet had the fortitude to search the archives for leads therefore this request... Does anyone have any documentation (eg. user/operator manual, SNAP programming manual, cross-development s/w or information, schematics, etc.,etc.,etc.? If so, could you be convinced to make dups for cost and something for your time? We currently have a request in to a developer of Insurance software (on EPROM) to scour their archives for any information but as of yet they've not succeeded. All replies are much appreciated. Michael Grigoni Cybertheque Musuem

27 years

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Fwd: Diablo 1620 printer/typewrite

by cfandt＠netsync.net

Here's another one from the same fellow, FWIW. >X-Mailer: AOL 4.0 for Windows sub 224 >Date: Fri, 5 Feb 1999 10:29:39 EST >Reply-To: EasyGrk(a)AOL.COM >Sender: Heathkit Owners and Collectors List <HEATH(a)LISTSERV.TEMPE.GOV> >From: Aaron Milavec <EasyGrk(a)AOL.COM> >Subject: Diablo 1620 printer/typewrite >To: HEATH(a)LISTSERV.TEMPE.GOV > >============================= >DIABLO 1620--terminal/printer/electronic typewriter. The "Cadillac" of daisy >wheel printers in superb condition with manual. Has been loafing at 600 baud >for the last ten years. $399 plus shipping costs. > >DIABLO 1640 with problems: $100 plus shipping costs. > >Moving in two weeks, hence any serious offer will be considered. > >Wolf ++ W8TMY ++ EasyGrk(a)aol.com for reply and info > >--- --- --- --- --- --- --- --- --- --- --- --- --- -- >To subscribe: listserv(a)listserv.tempe.gov >and in body: subscribe HEATH yourfirstname yourlastname >To unsubscribe: listserv(a)listserv.tempe.gov >and in body: signoff HEATH >Archives for HEATH: http://www.tempe.gov/archives >--- --- --- --- --- --- --- --- --- --- --- --- --- --

27 years

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Fwd: H89 + H8 for sale

by cfandt＠netsync.net

Well, FWIW, I'm just posting this from the Heath reflector if anybody's interested. Apparently, the fellow feels his work is worth something as I think the prices are a bit high. He doesn't actually realize the value of these things, so go easy on him. (I do not know him. I'm just a silly engineer myself and probably can do as good of work ;) Don't know exactly what he means by "detached keyboard" in the H89/H8 combo. I know one trick published years ago was to neatly cut off the keyboard end of the H89 case, place nice looking covers over the openings and run a suitable ribbon cable between. --Chris >X-Mailer: AOL 4.0 for Windows sub 224 >Date: Fri, 5 Feb 1999 10:22:36 EST >Reply-To: EasyGrk(a)AOL.COM >Sender: Heathkit Owners and Collectors List <HEATH(a)LISTSERV.TEMPE.GOV> >From: Aaron Milavec <EasyGrk(a)AOL.COM> >Subject: H89 + H8 for sale >To: HEATH(a)LISTSERV.TEMPE.GOV > >+++++++++++++++++++++++ >I have built three H89 Heathkit Computers. I am a Master Technician and have >wrapped the cables giving the interior a professional appearance. Would you >like to purchase one of these working units? > >Two (2) H89s, 14 years old, modest service, with 40+ diskettes filled with >various software, plus all manuals, $300 each plus shipping costs > >H89, with H8 (dual diskette drives, stand-alone) and with detached keyboard >(nicely finshed), $350 plus shipping costs, with 40+ diskettes filled with >software, plus manuals. > >Wolf ++ W8TMY ++ EasyGrk(a)aol.com for reply and info > >--- --- --- --- --- --- --- --- --- --- --- --- --- -- >To subscribe: listserv(a)listserv.tempe.gov >and in body: subscribe HEATH yourfirstname yourlastname >To unsubscribe: listserv(a)listserv.tempe.gov >and in body: signoff HEATH >Archives for HEATH: http://www.tempe.gov/archives >--- --- --- --- --- --- --- --- --- --- --- --- --- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA cfandt(a)netsync.net Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

27 years

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Need some O.T. help

by jolminkh＠nsw.bigpond.net.au

> With the MB outside the case on a wooden surface and nothing connected >except the power supply plug and the front push button, all that I get is a >twitch from the cpu cooling fan, on only the first push, after that nothing >until it sets for a while. This sort of thing happens with AT power supplies if there is insufficient load. Does the power supply cooling fan rotate? You can check by adding extra load like a hard drive

27 years

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Wanted: IMSAI 8" Floppy Drive Box

by dragon＠panix.com

IMSAI made a blue box that housed two 8-inch floppy disk drives. If you know where I could find one please e-mail me. Michael

27 years

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Commodore 64 stuff wanted

by jfoust＠threedee.com

At 08:51 AM 2/5/99 -0500, David G Mcmurtrie <dgm+(a)pitt.edu> wrote: > >In particular, I used to have the "Programmer`s Reference Manual" and a >book that mapped all of the memory locations and described the kernel >routines in detail. You can still get copies of "Mapping the C-64" from the author, Sheldon Leemon, at <sheldon(a)ameritech.net>. - John

27 years

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Wanted: Z80 S-100 SBC or Z80 S-100 Slave cards

by dragon＠panix.com

I am primarily looking for some several Z80 S-100 slave cards. Compupro use to sell Z80 slave s100 cards with 64K or 256K of ram and serial port and parallel port. I also understand a one time some use to make S-100 SBC that met all the S-100 spec. So they could run as Temporary Bus Masters (TBM). Thus enabling someone to put up to 16 of them on the same S-100 bus. If you have a few either type you want to sell, e-mail me Michael

27 years

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DECStuff FS or trade

by emu＠ecubics.com

Hi Bruce, ---------- > From: Bruce Lane <kyrrin(a)bluefeathertech.com> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: DECStuff FS or trade > Date: Sunday, December 13, 1998 1:20 PM > PDP-11/23+ with the floating point option. Used to live at Fluke Corp., and drive a laser trimmer for printed resistor arrays. Was working when pulled, so it should be OK. You still have this one ? Which one ist it anyway, quad or double ? I got some MS650 boards here ;-)) cheers, emanuel

27 years

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S100 boards

by edick＠idcomm.com

I don't know that this will settle anything for anyone, but I saw an old ad for the DJ2 just a day or so ago in an old mag and it certainly didn't have any HDD port. It was an FDC. I have a board from Industrial Microsystems which has a SASI port on it. I even have an old 8" HDD which should talk to it. I've never tried them, though. Dick ---------- > From: Huw Davies <H.Davies(a)latrobe.edu.au> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: RE: S100 boards > Date: Thursday, February 04, 1999 7:47 PM > > At 06:28 AM 04-02-99 -0500, Bob Stek wrote: > > >I've got 50 cents that says the DJ 2D/B is a floppy controller, not a hard > >drive controller! > > I'll increase the bid to 2 Euros :-) My rusty memory reckons that it's a > floppy controller too... > > Huw Davies | e-mail: Huw.Davies(a)latrobe.edu.au > Information Technology Services | Phone: +61 3 9479 1550 Fax: +61 3 9479 1999 > La Trobe University | "If God had wanted soccer played in the > Melbourne Australia 3083 | air, the sky would be painted green"

27 years

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S100 boards

by bobstek＠ix.netcom.com

>> Andrew Davie[SMTP:adavie@mad.scientist.com] writes: >> >> >S-100 George Morrow Disk Jockey 2D/B >> >> Hmm, 50 pins, could that possibly be a SASI card? >> As in Shugart Associates pre-SCSI bus >> > >No. It's sa1000 series 8" hard disk interface. > >Allison I've got 50 cents that says the DJ 2D/B is a floppy controller, not a hard drive controller! Bob Stek bobstek(a)ix.netcom.com Saver of Lost SOLs

27 years

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OT - Declaser 1152

by jim＠calico.litterbox.com

Okay, it's not quite a classic since it's only 7 years old, but does anyone know whether the simms inside a declaser 1152 are standard 30 pin mac simms or if they're something wierd? I desperately need to upgrade my old declaser - it keeps running out of ram printing things and Kinkos wants $.49 US per page to print things to their very fast and powerful IBM printer. Alternately does anyone out there happen to have the 2 meg expansion (part number LN07X-UF) for the thing? -- Jim Strickland jim(a)DIESPAMMERSCUMcalico.litterbox.com ----------------------------------------------------------------------- Vote Meadocrat! Bill and Opus in 2000 - Who ELSE is there? -----------------------------------------------------------------------

27 years

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Need some O.T. help

by gregorym＠cadvision.com

At 02:54 PM 2/4/99 -0800, you wrote: >On Thu, 4 Feb 1999, Tony Duell wrote: > >> Automatic power switches are nothing new. The odd-numbered PERQs (1, 1a, >> 3a) all had software-controlled turn-off. So does the Whitechapel MG1 and >> the Torch XXX. > >And the Apple Lisa. And it too has problems sometimes not allowing you to >power down (you must either unplugged the system or trip one of the two >microswitches that sense whether you opened the front bezel or back access >panel). And the NeXT Cubes. I've never had a problem with the machine hanging when you want to power down. I have however had some involuntary shut downs when the !@#$%^& laser printer comes on to warm up, and blows the breaker on that circuit. :v) Mark > >Sellam Alternate e-mail: dastar(a)siconic.com >--------------------------------------------------------------------------- --- >Always hasslin' the man. > > Coming in 1999: Vintage Computer Festival 3.0 > See http://www.vintage.org/vcf for details! > [Last web site update: 01/15/99] > > >

27 years

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HP TSB, Docs and O/S

by jlwest＠tseinc.com

So - you're sure you don't want to just give that machine up? <grin>... Just out of curiosity, what modem of disk drive is it? I'll have some docs somewhere for that stuff soon enough. I know I already have all the docs on the tape reader... Jay West -----Original Message----- From: Tony Duell <ard(a)p850ug1.demon.co.uk> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, February 04, 1999 4:50 PM Subject: Re: HP TSB, Docs and O/S >> >> I'm glad I got the first batch of docs for the 2100 stuff. But given that >> the second batch of HP docs which I did not get went so fast, I have to >> suspect there's some other 2100/21MX lurkers on the list :) One of these > >I have a 2100 CPU + paper tape reader + disk drive. The latter takes >RK05-like packs, and is in very poor condition. The whole lot was rescued >just before it became scrap metal... > >Alas I have no docs, and I think I'm going to need a schematic of the >board in the CPU box before I can do much. I have all the CPU boards (but >not the WCS option), 4 sets of core memory (missing one top connector) >and a lot of I/O boards. > >It is very much a 'to be done one day' project. Yes I am glad I rescued >it, but until I get some more info it's going to be sitting in my machine >room... > >-tony > >

27 years

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Need help on old Tandy stuff -- Allison? Anyone else?

by sinasohn＠ricochet.net

At 10:51 PM 2/1/99 -0600, you wrote: >> Computer (Sharp) or the Model 100 (Kyocera). I'm not sure about the M200, >> but I suspect it might have been made by Kyocera as well. Uncle Roger >> knows more about all of the different Kyocera clones. >I didn't know about the Kyocera connection, however. Interesting.... Tandy may have *made* the m100; Kyocera *designed* it. I think Tandy redesigned it (tweaked it) into the 102; they probably did the design (based on the original Kyocera design) of the 200. FYI, there are 9 versions of Kyocera's design: Kyocera KC-85 TRS-80 Model 100 TRS-80 Model 102 (mostly the same as the 100, only lighter and cheaper) TRS-80 Model 200 (clamshell, with larger screen) NEC PC-8201 (Japanese version, with Katakana? charset in ROM) NEC PC-8201A (American version) NEC PC-8300 Olivetti M10 (American version) Olivetti M10 (Euro version) Not related, but possibly mistaken as such: TRS-80 Model 600 NEC PC-8401A "Starlet" NEC PC-8500 Olivetti M15 I don't know if Kyocera ever came out with anything after the KC85. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

5
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MORE!!! FS/FT: HP Documentation

by rigdonj＠intellistar.net

OK I'll join in. Here's my offering: HP 1000 Computers, Hardware Data. 8 1/2 x 11" size, date 5/79. This list ALL the hardware specifications and options for the 2100 M, E, and F series machines. Also all the specs for the memory systems, mainframe plug-ins, Firmware products, microprogramming accessories, Power fail recovery systems, input/output and memory extenders, I/O interfaces, environmental specifications and prodduct support information and finally the complete power specifications and applicability summary. Only VERY interesting trades considered! JOe

27 years

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Are there any Telex fans out there?

by rigdonj＠intellistar.net

I got a bunch of old disks yesterday. So far I've found some in the CPM 86 format for the PC, Telex CPM format, CPM for the Osbourne 1, 8" soft sectored disks for unknown system and one hard sectored 8" floppy. It looks like many of them came from Telex's office in North Carolina. Many of them look like reports of test on different models of equipment, equipment specifications, etc. A couple look like they have ROM code and different revisions of system software. I need some one that's familar with Telex's products that can tell me what some of these things are. Joe

27 years

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TelePickup in Chicago

by dogas＠leading.net

Hi, If anyone is in the Chicago area and wouldn't mind a (several heavy items: multiple TRS-80 16b and 6000HD systems) pickup and subsequent packing/shipping job expenses paid with maybe a system or two ( ;) ) thrown in for effort Please send email Thanks - Mike: dogas(a)leading.net

27 years

3
3
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tube CD player (was Re: sizes (was Re: vacuum tube computer))

by Philip.Belben＠pgen.com

Eric has replied to my post with a lot of good points, but I don't understand this one: > After you do the D/A, you have a huge amount of sampling noise at Fs/2 (and > its harmonics). For a CD player, Fs is 44.1 KHz, so the sampling noise is at > 22.05 KHz. Since the desired audio frequency response extends to 20 KHz, a > non-oversampled player needs "brick wall" analog filters, with a pass band to > 20 KHz, and a stop band starting below 22.05 KHz. > > Digital oversampling is used to move the sampling noise to a higher > frequency. 4x oversampling moves it to 88.2 KHz. The oversampling filter > is a low-pass filter, so the audio content still has a frequency response > to somewhere above 20 KHz. But now your analog filter can have a much > shallower slope, which is easier to implement and introduces much less > phase distortion. > > Your analog oversampling scheme does not eliminate the noise at Fs/2, > and in fact introduces more sampling noise at higher frequencies. It does > not help reduce the requirements of the analog filter. Don't confuse sampling noise with quantisation noise. Quantisation noise is due to the replacement of an analogue value by a digital representation not exactly the same; it is reduced simply by having more bits of precision (there are other tricks, including things involving oversampling, but they only cloud the issue). Sampling noise is present in a sampled waveform whether it is a sequence of digital numbers or of analogue values. It arises from the deviation between the original waveform and the sampler output (with no filtration at all this is a series of steps) at the intermediate points between samples. Oversampling interpolates intermediate samples, and uses a filter to reduce the sampling noise due to not having known what those intermediate values should have been. While I admit that the linear interpolation I described is a rotten oversampling filter - it was only mentioned by way of an example - the mathematics are the same whether you use a digital computer to generate the digital numbers at your oversampled points or a switched analogue circuit such as I described to generate analogue values at the intermediate points. This analogue circuit can also (theoretically) reduce quantisation noise even compared with digital oversampling, since the intermediate values are not limited to the precision of the DAC. In practice, quantisation noise probably is probably slightly higher, since the intermediate values are limited to the precision of the resistor networks that derive them. So why does this sort of analogue filter not reduce the sampling noise at Fs/2? If it introduces noise at higher frequencies (which I agree it does), this is because the noise arises from conversion of samples to a continuous function, not from conversion of digital to analogue. > The logical extreme of oversampling is to use such a high factor that you only > need one bit of data. This is called a delta-sigma D/A converter. For 16-bit > source data this would require at least 65536x oversampling, but there are > some tricks to reduce this to e.g. 128x. This is the basis of the so-called > "1-bit" D/A converters. The advantage is that you only need a single-pole > analog filter (and in practice can get by without even that), and that the > tradeoff from quantization to time domain has been maximized, which is good > because it is much easier to get high precision in the time domain as > described above. I have met delta-sigma encoding, but I never managed to work out how you get the sampling rate down to a manageable value. Since we're getting a bit off topic here, could you post not an explanation but a reference to somewhere I can look up this particular aspect of the problem. Philip.

27 years

2
1
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3-phase (was: Re: CDC 9766 Drive and packs)

by amirault＠epix.net

Hi, OK. What you are saying is that you have a functionally obsolescent electric service that needs to be upgraded to a 200 amp service to better handle todays electric needs. I suggest that you contact your electric company and find out how much this upgrade will cost you. John Amirault -----Original Message----- From: Eric Smith <eric(a)brouhaha.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, February 04, 1999 3:34 AM Subject: Re: 3-phase (was: Re: CDC 9766 Drive and packs) >> Why not just go out and BUY a three phase converter? You know that such a >> thing does exist now. > >As the person that started this thread, I can certainly explain why *I* >don't buy one. > >The equipment I want to run will need about 45A per phase. If I had >an 85% efficient converter, I'd need an 80A 240V circuit. The entire service >entrance to my house is only 100A, and I use more than 20A of that for >lighting alone, not to mention the microwave oven, audio and video gear, >and modern computers. > >Normal US homes are not wired for big old computers and their peripherals. > >

27 years

1
0
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web archive & listproc help (was: Collecting computers - the book...

by cfandt＠netsync.net

Upon the date 09:42 AM 2/3/99 -0800, Kevan Heydon said something like: > >As the creator of the web archive I feel I should reply... > >On Wed, 3 Feb 1999, Hans Franke wrote: >> >> Me_Too(TM) don't feel comfortable with a _public_ archive of this > >If other people are of the same opinion then I will take down the web >archives. Kevin, isn't there a way to completely hide this archive from any search engine? I'm no web weenie so others here who are should jump in and answer. Links that ClassicCmp folks put on their pages to the archive do, of course, blow the cover. What if we just have an unannounced or "secret" URL for the archive? List members could be given it and a note placed prominently on each archive page stating this is priviledged information and not to be publicly released because of unprotected email addresses or something. List members will just have to write the "secret" URL on a Post-it note and place it on their computer or tack board. Passing of it to new members or those of us who have lost the addr. would be given it only by private email. Well, it's just an idea. This list is, in my opinion, a very significant source of technical and anecdotal infomation about our old machines the likes of which probably could never be found elsewhere. I've learned so _very, very_ much from many of you since 10 December, 1997 when I joined. Witness the recent IBM 1130 thread. We found more info relating to them and a working system in Germany! I've got DEC gear in my collection which several have been helping me on it. I really hope I helped a few of you too. It's been discussed here before, and again I'll state that it's a pet peeve, that some really important tidbits of info on our classics is not found by any search engine that I know of. So there seems to be some way the pages are hidden. In this case of securing our ClassicCmp archive's privacy, the pet peeve is hereby released :-) I can always use the 170MB (and now growing at a rate of about >12MB a month) of disk space they take at the moment. Instead of cluttering >the list send mail to me directly at kevan(a)heydon.org and I will count the >votes. I'll send you a vote privately but I do want to say the archive is a very important resource (flame wars and very off topic junk excepted of course). I think nearly all of us feel access to it is needed no matter where it is kept. The U. of Washington archive site is not available since haliotis is shut down. >> list. I considere this more privat - and for the pe(a)rls in here, >> I made up two archives (_on_my_hard_disk_) - one where every pice >> is stored, and one where I put the very genuine things. So I have >> any possible search option (fast and local) and privacy (i hope). > >I also tend to keep post that I think will be usefull (which happens to be >most of Tony Duells posts) in a mail folder. I have also been keeping >entire threads with a thought to extracting the pearls of wisdom into web >pages. > >It is much less work to archive the entire list than it is to manually >extract particular bits of information. It is also easy to let the major >search engines trawl the list archive to allow searching. > Regards, Chris -- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA cfandt(a)netsync.net Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

27 years

2
1
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New stuff: Televideo docs, Dapple computer and rack mount Apple II

by rigdonj＠intellistar.net

New stuff: I went scrounging yesterday. I bought stack of new Televideo manuals. I got: (book 1) Televideo TS 802H Computer System Installation and User's Guide with the quick reference guide, packing list, Digital Reserce lincense for CPM, errata sheets, customer quality survey, F1-40 print sample, a brochure >from TRW about maintenance service and several addendum booklets. Looks pretty cool. Has anyone got one of these that they don't need? (book 2) Operator's Manual Model 950 (new in sealed package). (book 3) Televideo TS 800A, TS 802 and TS 802H Maintenance Manual. This is THE best maintenance manual I've ever seen! It not only includes the maintenance information and schematics but also spares kits inventory listings, complete parts lists and prices, parts specifications, board drawings, circuit descriptions and theory of operations, timing diagrams, etc. (book4) Televideo Model 925 CRT Terminal Installation and User's Guide. (book 5) Model 925 Maintenance Manual. If anything, this one is even more complete than the one for the 802! It even includes the original Rockwell Data sheets for the 6522 VIA, 6545-1 CRT controller, and a prelimiminary data sheet for the Intel 8048H/8048-1/8035HL/8035HL-1 8 bit microcomputer ICs. It also includes another copy of the CRT Terminal Installation and User's Guide, a Terminal Troubleshooting Guide and additional service bulletins and sales literature for the Televideo terminals. I also got several boxs of CPM disk but I haven't sorted them all out yet. I haven't found the Dapple computer that I spotted several weeks ago but I found another one!!! (At least this one is clean!) I'll give details when I've had a chance to look it over. I also bought an Apple IIc in a 19" rack mount! It operates a gas analyzer sytem and was put together in the UK. I haven't picked it up yet so details will have to wait. Joe Joe

27 years

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Meta-4 manuals

by drbilling＠ucdavis.edu

Sorry, I don't have any way of putting the two manuals on-line and they are in storage as I am in the process of moving. > ... >Any chance of putting these on-line or of us getting a copy? The Meta-4 >sounds like an interesting machine. > >Who on this list can honestly say that they have never thrown out >anything that they now regret? --Dean

27 years

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3-phase (was: Re: CDC 9766 Drive and packs)

by Philip.Belben＠pgen.com

>>My parents have 3-phase electricity at home, but I don't (yet). But I >>think it's more common in the UK than in the US. (BTW my parents have a >>16th century farmhouse which they heat electrically during the winter. >>Maximum load we've measured, 36kW.) > > 36kW!! Ouch! And cost of electricity is, I understand, higher than in the > US, true? Except Jamestown, we pay only $0.03565 per KWH :-) so electric > heat is not such a financial killer for homeowners (or for nuts like me > with working big iron computers in the basement). Dual tarriff (?sp) is quite common. The most usual scheme is called "economy 7" which charges about 14c US per kWh during the day and somewhat less (I think it's less than 5c - sorry, I am not in the UK this week so I can't check) for a seven-hour period starting at midnight +/- one hour (exactly midnight on older installations). Some circuits - mainly heating - are controlled by the same timeswitch (older installations) or radio receiver (newer ones) as the tarriff selector on the meter. It is said that many night clubs use economy 7 tarriff despite no heating load... Other schemes exist. One called "heatwise" also gives you a couple of short periods of cheap power during the day... > Yes, very few private residences in North America have 3 ph power _unless_ > it was asked for and installed, of course at an extra co$t. If someone has > a garage or machine shop at home (and the local zoning laws permit it) then > 3 ph can be installed. Otherwise, bigger apartment buildings, larger > offices and factory buildings are usually wired for 3 ph at 240 volts or > 480 volts. Gosh. I've seen 3-phase 208 volts in the US, but what would they use 240 for? Philip.

27 years

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apple2 fun

by SUPRDAVE＠aol.com

In a message dated 99-02-03 20:23:32 EST, you write: << Well, if you're in BASIC you can type the command BYE to go into a program launcher. Hoepfully you have something good like Bird's Better Bye installed so you don't have to type in the entire pathname when you're ready to restart. Sellam >> The BYE command sucks! i've never seen a more user unfriendly program in my life. it doesnt give a chance to browse any directories or disks. if you dont know the pathname you want to goto, it is useless. i always end up doing pr#6 anyway. any programmer that uses it obviously doesnt use the program. it's always more helpful just to be dropped to a basic prompt.

27 years

2
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RT-11: ?DIR-F-Invalid directory

by mbg＠world.std.com

>I don't think there is any more need too bother with this train of >thought. Thanks to the tips that Jerome gave this morning on how to >create that dump, I was able to inspect the first 20 or so blocks, and I >think I can safely say that the disk is a lost cause. Blocks 0-?? are >totally toasted. I don't know how I managed it, but apparently I did >something that caused the SYSGEN to write to there last night, it's got a >binary image where there should be a directory structure. Sounds like >the next time I try something like that I'd best turn the LA75 on as a >console printer first so I can analyze what I did wrong :^/ It does sound like what I thought it was... But remember, the disk may not be a total loss... many, if not most, of the files are most likely still there (I'm expecting that sysgen simply overwrote the beginning of the disk with each of the .OBJs... so the amount of corruption would be no more than the largest .OBJ produced. So, later directory segments would be okay, and there would be sufficient info in them to recover those files. Earlier files would still exist, following the directory... remember, they are contiguous files, so if you find the start of one, you can get the whole file back. There used to be a utility someone wrote, ndump, which looked at the first n bytes of each block and reported on them... that way you could figure out at least where your ascii text/source files were... and RT provides commands which would allow you to grab just the blocks of the disk needed to get a file... It is possible, just procedural and time consuming... but if there is information which is important enough, it is worth it... >Thanks to your pointing out that the backup command is backup (Um, that >was just a little to obvious) I'm now backing DU3: up, since I've got >part of what was on DU2: on it. However, that still leaves me with a >logical disk MACRO.DSK that I would like to recreate. With the directory >toast, I guess that isn't easy. So..... If you can find the beginning and end of the file... you can probably restore it from the corrupted disk in its entirety... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

27 years

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Need help on old Tandy stuff -- Allison? Anyone else?

by dogas＠leading.net

-----Original Message----- From: Doug <doug(a)blinkenlights.com> >But the workSlate was in another class. Take a look at Kai's workSlate >page: > >http://www.geocities.com/~compcloset/ConvergentTechnologiesWorkSlate.htm Thanks for that info Doug, I picked a mint boxed WorkSlate up a few months ago at a fleamarket and haven't played with it much. I've got the doc set should anyone need any info. - Mike: dogas(a)leading.net

27 years

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German Retrocomp (was Re: 1130 has been claimed)

by Jgzabol＠aol.com

In einer eMail vom 04.02.99 03:23:05 MEZ, schreiben Sie: << On Wed, 3 Feb 1999 Jgzabol(a)aol.com wrote: > There is a _WORKING_ 1130 at the IBM Museum in Sindelfingen, Germany. If only I'd known when I was planning my trip to CeBIT -- I could have flown out of Frankfurt instead of Berlin, and dropped by. Any retrocomputing facilities in Hannover or Berlin? Brad Ackerman >> There is the Nixdorf Museums-Forum at Paderborn, which is not too far from Hannover, less than one hour southwest by car. They do not have any live equipment, but about one of everything not live. They begin somewhere with the Assyrians xxxx B.C. up to Cray-2 and connection machine; Nixdorf tube machines; Russian machines; mechanical calculators and telephone exchanges; and Jacquard loom, the ancestor of anything with punched holes. Address: Fuerstenallee 7, 33102 Paderborn Look at http://www.hnf.de for more details. I also recommend strongly the "Deutsches Technik-Museum" in Berlin. They have a small, but significant set of exhibits: - Replica of Zuse Z1 (1936), built by Zuse himself, mechanical computer, operational; - Zuse Z23, first transistorized computer by Zuse, I believe also operational. - several other less prominent computer exhibits - quite a selection on history of the electron tube and telecom Normally the machines are not operated. I understand that upon special request an appointment could be made, and a knowledgeable person would come in and operate the Z1 and/or Z23. Contact person is Hadwig Dorsch, details see http://www.dtmb.de A pity that Munich is too far out of your travels - the Deutsche Museum here also has quite a selection, but nothing live. Hope you will enjoy your trip John G. Zabolitzky

27 years

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Sanyo MBC-550 (Yuck!) software available

by rigdonj＠intellistar.net

A few weeks ago we were talking about the Sanyo 550 series and someone mentioned one of the alternates operating systems that supported 80 track drives in the 550. I said that was DS-DOS by Michtron. Today I found an old Sanyo disk package with four disks for the 550. One of them is DS DOS 2.11, one is InfoStar, one is MailMerge/SpellStar and the other is a disk of misc utilities. The first three are original disks. In additon, the InfoStar, MailMerge/SpellStar are Sanyo labeled disks that came with the 550. If anyone wants them, trade me something I can use and they're all your's. Joe

27 years

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3-phase (was: Re: CDC 9766 Drive and packs)

by Philip.Belben＠pgen.com

> My line is prepared for 40 kW 3 phases, since the former owner also > used electric heating (this kind of night loading heating), but since > I switched for gas, I can use anything for my computers :))) > >> Anyway, figure that we're stuck with 230 volt single phase (115 volts from >> either leg to earth) at our NA homes, while as I've seen for example >> normally in Southern Germany at least, 380 volt 3 ph (220 volts from either >> leg to earth) is the norm in most other modernized parts of the world. > > In facht it is 400V/230V since more than 10 to 15 years, but everybody > is still talking about 380V/220V ... And yes, 3 phases are the only kind > of connections the power companies offer - so the outlets will be split > up among the phases to get an even load (3 phases outlets are not very > common :). You must have changed voltage long before we did then - we went from 415/240 V to 400/230 only about 5 years ago. Like with you, people still talk about the old voltages, and my voltmeter still reads 248V... (BTW it used to be 240V +/- 6%. It is now 230V +10% -6%, so electricity companies haven't had to change anything.) A few rural installations are only given 2 phases of the 11kV distribution, rather than all 3. This means that a single phase transformer is used, rather than a 3-phase transformer (Yes, I know, in the US you often get poles with three single phase transformers hung off them). Usually this is 240V, but sometimes 480V centre earthed is used, the two sides supplying different houses. Apparently some farm machinery operates on 480V single phase, but I don't think much else does. Philip

27 years

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HP Docs sold -- thanks for your interest!

by kyrrin＠bluefeathertech.com

Hello Frank, Eric, Sam, Stan, and the rest of the list, Thanks much for your interest. I replied to the responses (there were six counting yours -- I'm impressed!) in the order that I received them. All the manuals I referenced are now spoken for. FWIW, the HP Customer Support manual went to Jay West, and the 9825 books to Anthony Eros (he actually has a 9825 he needs docs on). Thanks again to you all for your interest. I will continue to keep an eye out for other 'classic' docs and goodies. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Owner and head honcho, Blue Feather Technologies http://www.bluefeathertech.com Amateur Radio:(WD6EOS) E-mail: kyrrin(a)bluefeathertech.com SysOp: The Dragon's Cave (Fido 1:343/272, 253-639-9905) "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

27 years

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RT-11: ?DIR-F-Invalid directory

by dburrows＠netpath.net

I thought you were using an 11/73. Just get into the console and type b mu0: to boot the tape if it is at 1774500. I am on the road right now but when I get back I could look up the CPU info and let you know the how to get into the console. My brain is dead right now - been up for 21 hours and just finished eating dinner. Dan > >I'm seriously bummed. However, I finally got smart and made a bootable >TK-50 so if need be I can load RT-11 without to much difficulty (other than >having to type in the bootstrap by hand). >

27 years

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Anybody interested in PETs/ Anyone in Toronto

by cbajpai＠mediaone.net

Looks like I'm buying a ton (7-8) of PETs + disk drives + printers. Only problem is that I was only looking for one. The terms of the deal are as-is, where-is. If you interested in a PET please let me know. Anybody in Toronto that could check the units out for me? Any idea on the best/cheapest way to ship to Boston, Mass? I'll post more detail when I get them. Thanks, Chandra

27 years

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RT-11: ?DIR-F-Invalid directory

by mbg＠world.std.com

>The disk is a 150Mb ESDI drive attached to a Webster WQESD ESDI >controller. The controller allows be to carve the drive into partitions >that look like separate RD52's. This nice little ability allowed me to >boot from the second partition. Unfortunatly I'd not been backing up to >another partition. Sounds like the Andromeda ESDC I have in my machine, with an ESDI disk... I have one disk partitioned as four RD54s... I have another partitioned as one large disk (still identified as an RD54, but at 680 MB) Anyway, its hard to diagnose directory problems from a distance... I'd need to see a dump of the first 68 blocks (0-67). Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

27 years

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Adam parts

by gregorym＠cadvision.com

Hi. I have some ADAM software, but very few of the dreaded high-speed tape cassettes to duplicate it onto. If you can send me an ADAM cassette, I can dupe what I have - email me off-list if you're interested and I'll dredge through the storage closet and see what I've got. I frequently see the ADAM joysticks at the local thrifts; I can pick some up for you if you want - again, email me off-list. If you called Coleco, I'm sure their response would be either: "Sure, we've still got 20,000 unsold units in the warehouse" or "Send your computer, in it's original packing materials, to one of our convenient repair depots ... " Cheers, Mark. At 06:53 PM 2/3/99 -0500, you wrote: >Does anyone have any ADAM joysticks and/or software? ...or any commercial >source for them? > >What to you suppose would happen if I called up Coleco? > >manney > > > >

27 years

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tube CD player (was Re: sizes (was Re: vacuum tube computer))

by Philip.Belben＠pgen.com

> No problem. The tube CD player simply has an AES/EBU (or S/P-DIF) coaxial > digital output. If you want a tube D/A to go with it, that's a separate > product. > > The tube D/A would likely not use oversampling, but rather an 8-pole > analog filter. > > If people want a tube oversampling D/A, that can be a more advanced, larger, > and more expensive model. I agree with Tony. From an audio point of view, chips vs. valves (tubes, for those colonies who've forgotten how to speak English) should make no difference except in the analogue sections. On the digital side they have no more than old computer technology hack value. That said, oversampling and filtering is _not_ hard. People nowadays think only in terms of digital, discrete working and analogue, continuous working. IMHO the place to do oversampling is in between - in the Analogue, Discrete domain. How: Make several A-to-Ds (or one and some sample and hold circuits if you're a cheapskate). The simplest case is linear interpolation which uses only two. I would envisage precision ladder networks or something similar for these. Call them A and B (and C, D, etc.) Have some analogue circuits which use analogue summation techniques to derive (say) A, 0.75A+0.25B, 0.5A+0.5B and 0.25A +0.75B. Switch between them. You now have 4* oversampling, with simple linear interpolation. (After those four valuse, B becomes the new A and the next value from the digital side becomes B...) More complex filters can be implemented with more A-to-Ds (or a series of sample/holds or a bucket brigade etc) and more complex maths in the combinations. IIR filters can be implemented with a sample and hold that remembers the last _output_ And so on. (but dion't forget the conventional analogue filter on the output) No DSP required. Fun,eh?

27 years

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FS/FT: HP Documentation

by kyrrin＠bluefeathertech.com

I have the following available, both from HP: 'Data Systems Customer Support Handbook' dated Sep. 1980. Contains technical and support data for what appears to be a wide variety of early HP computer hardware, including what looks like source code for diagnostics (I just skimmed it -- didn't really read in detail). Here's a sample from the Table of Contents. Common Data 2114/15/16 2100 21MX-M and 21MX-E Power Supplies/Extenders Memories/Accessories Input/Output Parts Operating Systems I also have a binderful of user's guides for the HP9825A desktop system, circa March 1980, including: Operating and Programming 9872A Plotter Programming 98034A HPIB Interface - Installation and Service 98035A RTC - Installation and Operation Advanced Programming 98032A 16-bit Interface - Installation and Service Extended I/O Programming Matrix Programming General I/O Programming String Variable Programming 98036A Serial Interface - Installation and Service Systems Programming <Sheesh, what a load! The whole binderful weighs in at just over 9 pounds!) That's what I've got at the moment. Best offer (and I'm not looking for a fortune here, folks) plus mailing costs takes them! Thanks in advance. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Owner and head honcho, Blue Feather Technologies http://www.bluefeathertech.com Amateur Radio:(WD6EOS) E-mail: kyrrin(a)bluefeathertech.com SysOp: The Dragon's Cave (Fido 1:343/272, 253-639-9905) "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

27 years

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OT: ebay award on ebay

by dastar＠ncal.verio.com

Ok, if this is not the funniest online saga since the beginning of the web I don't know what is. First of all, if you haven't checked out the auction, go now to: http://cgi.ebay.com/aw-cgi/ebayisapi.dll?viewitem&item=62692227 Also, be sure to read this article which puts the icing on this cake: http://www.rewired.com/cgi-bin/rewired_redirect.cgi?year=99&article=0125.ht… I can't wait to see how this all turns out. Amazingly, this thing is already up to $5,100! That's only $1000 less than the Alto II. Seems like we're collecting the wrong stuff. Sellam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------ Always hasslin' the man. Coming in 1999: Vintage Computer Festival 3.0 See http://www.vintage.org/vcf for details! [Last web site update: 01/15/99]

27 years

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Houston, TX classiccmp members -- briefly OT

by KFergason＠aol.com

This is a request to see if there are enough Houston people, (and enough interest), to have a gathering. Please reply to me, not the list. Basic idea is meet at a central location, perhaps a Bennigans, and just gab. Talk old computers, drink a few of your favorite. early to mid March, some Saturday afternoon, 2-3 hours at most. variations on this theme welcome. We now return you to your normally scheduled OT discussions. Thanks, Kelly KFergason(a)aol.com

27 years

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Adam parts

by manney＠hmcltd.net

Just sold an Adam, minus software. The customer wants software, now. Can you send a list of a few thangs you might have, plus prices? Do you have books? Thank you manney +AD4-I've got a tonne of Adam cassette software... What are you looking for? +AD4- +AD4-- Mike: dogas+AEA-leading.net +AD4- +AD4- +AD4------Original Message----- +AD4-From: PG Manney +ADw-manney+AEA-hmcltd.net+AD4- +AD4-To: Discussion re-collecting of classic computers +AD4APA-classiccmp+AEA-u.washington.edu+AD4- +AD4-Date: Wednesday, February 03, 1999 8:11 PM +AD4-Subject: Adam parts +AD4- +AD4- +AD4APg-Does anyone have any ADAM joysticks and/or software? ...or any commercial +AD4APg-source for them? +AD4APg- +AD4APg-What to you suppose would happen if I called up Coleco? +AD4APg- +AD4APg-manney +AD4APg- +AD4APg- +AD4APg- +AD4- +AD4-

27 years

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apple2 fun

by jim＠calico.litterbox.com

Hi gang. Well, my father is safely transitioned to his iMac, so as soon as I get done sorting stuff out, I'll have an apple2GS with 4 megs of ram and a printer card, along with a monitor, 2 3.5 inch drives, and a 5.25 inch drive to sell. In a related note, I got my 2e running with a hard disk. It boots to Prodos so fast it doesn't bear mentioning... but it's been a long time since I used an 8 bit apple2, how do you transition from one .SYS image to another? I have a launcher that does the job on my GS in 2e mode, but my e doesn't appear to have enough ram to run it. -- Jim Strickland jim(a)DIESPAMMERSCUMcalico.litterbox.com ----------------------------------------------------------------------- Vote Meadocrat! Bill and Opus in 2000 - Who ELSE is there? -----------------------------------------------------------------------

27 years

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Adam parts

by dogas＠leading.net

I've got a tonne of Adam cassette software... What are you looking for? - Mike: dogas(a)leading.net -----Original Message----- From: PG Manney <manney(a)hmcltd.net> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Wednesday, February 03, 1999 8:11 PM Subject: Adam parts >Does anyone have any ADAM joysticks and/or software? ...or any commercial >source for them? > >What to you suppose would happen if I called up Coleco? > >manney > > >

27 years

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3-phase (was: Re: CDC 9766 Drive and packs)

by geoffrob＠stmarks.pp.catholic.edu.au

-----Original Message----- From: Christian Fandt <cfandt(a)netsync.net> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, 4 February 1999 3:29 Subject: Re: 3-phase (was: Re: CDC 9766 Drive and packs) Except Jamestown, we pay only $0.03565 per KWH :-) Lucky boy. We pay 12 cents a KWH in this part of Oz. Most people with serious heating needs opt for natural gas. Mind you, we don't need heat as much anyway, but an airconditioner of reasonable size can cost upwards of 20c an hour to run, and in summer (like now) we need it. Might have to emigrate....:^) 3 phase is uncommon outside industrial sites. ETSA (Electricity Trust of South Australia) will only install it if you can prove you need it. 415v 3 phase, that is. Some (all electric) homes may have a couple of seperate 240vac single phase circuits that are fed from seperate phases, but even that's unusual. Cheers Geoff Roberts Computer Systems Manager Saint Marks College Port Pirie South Australia. My ICQ# is 1970476 Ph. 61-411-623-978 (Mobile) 61-8-8633-0619 (Home) 61-8-8633-8834 (Work-Direct) 61-8-8633-0104 (Fax)

27 years

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What is this? HP internet antenna

by rigdonj＠intellistar.net

A friend of mine found this at a garage sale. Small grey box with a long cord and DB-9 connector. The front of the box says "Air Media Live" and has a LED on it. Does anyone know what it is? Joe

27 years

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Euro on old computers

by pete＠dunnington.u-net.com

On Feb 3, 11:43, Philip.Belben(a)PowerTech.co.uk wrote: > ISO Latin on a classic computer? Pull the other one! Well, an Archimedes is certainly a classic computer (born 1987), and it's native character set is ISO Latin 1. SunOS supported it then, too, IIRC. > ISTR that the IBM PC had it at decimal 156. I have seen it replace $, #, \ > (Commodore VIC) and ` Most common is to replace #, but ` is not so rare. -- Pete Peter Turnbull Dept. of Computer Science University of York

27 years

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RT-11: ?DIR-F-Invalid directory

by mbg＠world.std.com

>Second to the last command: IND SYSGEN >Last command: told it to build only the monitors Then I would say that it may depend on what you specified for the output files for the sysgen. You see, it is possible for just about any command issued under RT to specify a disk without a filename... in which case the output of whatever command you have issued will be to the *disk*, beginning with block 0... this means that depending on how many blocks are written, you may wipe out the boot block (0), home block (1), secondary boot blocks (2-5), directory (6-67) and files (beginning with block 68). >It made it through the first bit of assembling (pardon the description, >I'm still learning) and then it bombed. I tried to start it again and it >bombed immediatly. At which point I decided to type: BOOT DU2: Again, I'd need to see the *exact* commands issued to know how bad it might be... >The worst part is that I'd noticed that FLX under RSX11M couldn't write >to the drive the night before. I guess I should have backed up my data >at that point. Hmmm... then sysgen and what it was doing may not be the problem. What is the disk you are using? If an MSCP disk (like an RD series disk), one or more blocks may have the 'forced error' bit set... which results in errors when you attempt to read it. The way to clear this error is to write the block (which I believe results in a revectoring process for the bad block). The data for that block may be lost, however... I seem to remember the option '/K' for DUP... I'll have to check the documentation. One thing which may be a problem is that if the bad block is in the 'system area', blocks 0-68, then RT pretty much refuses to allow you to do anything with the disk... the idea being that there are times when not enough of a device driver is in memory to do bad-block revectoring... >I guess I should look at it this way, even if I can't recover the data, I >think I've got printouts of most of it. I'll only really have to >re-enter a couple of the files, since the rest I don't really need. I think it may be time to resurrect my RT volume analyzer and recovery program and get back to work on it... >Does RT-11 have some sort of utility like "BRU" under RSX-11, or "BACKUP" >under VMS? I think I need to start backing up nightly to TK50 if I'm >going to be doing much work on the system. BACKUP.SAV... KMON (keyboard monitor) command 'BACKUP' (or backup/restore) Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

27 years

2
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Unix for 8080/Z80? [Re: WooHoo!! PC/XT Unix anyone?]

by joe＠barrera.org

>Actually, there was a thingy called PC/IX which ran on those non >memory-managed systems. I actually managed to snag a copy a few years ago. Well, and of course there's Minix (where Linux started)... Any Unix clones for 8080/Z80 systems? It ought to be doable, given that the original Unix was done on a 64KB address space machine... - Joe

27 years

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IBM Displaywriter

by Philip.Belben＠pgen.com

> I picked up an IBM Displaywriter keyboard unit in a local thrift after eyeing > it for a couple of weeks and finally couldn't resist adding it to my > living-space challenged collection. > I remember seeing mention of it in an old 81 datamation mag and a 50s > style picture of a dedicated secretary busy at work on one and other info in > possibly an old Byte. It was touted as being very popular to the point that it > was touted over the PC and that CP/M programs were being ported to it. > I opened it up and it has only a small I/O board with a 15 pin connector and > takes it's power off that. It looks like an oversized C64. > It obviously doesn't have enough electronics to be more than a keyboard > terminal, but I don't recall seeing a box in the picture. I had understood the > displaywriter to be a stand alone machine. Did it have an additional box or was > it meant to connect to a CRT terminal hooked to a mainframe ? Displaywriter system generally consisted of the following boxes: System unit. PC-sized, half the case == power supply, other half == card cage. Card cage contains system board with 8088 and other cards. Keyboard. The thing you've got Monitor. Very similar to IBM original (mono) PC monitor, I think Printer. Daisywheel, EBCDIC, current loop. Disk drives. Usually a dual 8" unit. Could be SSSD or DSDD iirc. > At present it would seem to be about to join the 3270 monitor I have (can't > remember the model #) as interesting but unusable. > Or could I get gadzillion bucks for it on e-pay ? Any info ? My advice is: keep it against such time someone needs it... Philip.

27 years

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web archive

by lwalker＠mail.interlog.com

Hi Kevan. I hope you do not kill your archive.It is a thankless task and you deserve kudos for undertaking it. I for one appreciate your efforts greatly, and the alternative would result in increased mail as questions answered in earlier threads were reposted. I also would have to get a bigger hard drive for keepable posts which are numerous on this list. I don't think I have ever received spam related to this mail-list. I did get some mined from the CoCo list and classicmac list I believe but I unsubscribed to those a whle ago for other reasons. Spam is a fact of life for anyone using the net. I use an altered address for newsgroups however, which cut down considerably on the spam I was receiving, but I still get some via other activities. I suspect even Yahoo or Delphi lists etc., are not secure. Surely those who object to archiving could use an altered address. Aren't there also means such as deja news' "no archive" to achieve this ? ciao larry lwalker(a)interlog.com

27 years

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Atari 1050 mods?

by red＠bears.org

Hi there. I finally scored a piece of disk-based software for Atari 8-bits, so I decided today to test out my atari disk drives to see if any of them actually worked. One 1050 did. The other 1050 doesn't run the seek test when you turn it on, and is invisible to the computer. I removed the actual disk drive from the cabinet and verified that it does in fact work in the other 1050 chassis. While doing this I noticed that the non-working 1050 seemed to have had a modification done (rather sloppily, I might add; I suspect this has something to do with why it doesn't work properly). There is a hand-written silver sticker over what I'm assuming is an EPROM that reads, "Doubler". There is a second Motorola 6810 piggybacked onto the normal 6810, and a couple of jumper wires leading off into the PCB. What was this, and how was it done properly (so I can verify that it's ok)? I have a Percom branded full height disk with Atari SIO connects on that also seems to not work. I think this is because I need to decipher the 4-position DIP switch at the back panel. Any hints? As it is now, the access light repeatedly switches on and goes off again, each accompanied by a moderately loud click. The light is on for a second and then off for maybe two. It doesn't ever stop doing this, and the drive is invisble to the computer. The drive inside is full height, and made by Tandon I believe. ok r.

27 years

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PDP paper tape - PC04/PC05 (offer to trade)!

by jlwest＠tseinc.com

You wrote... >Just checking that my 8/e and PC0'4' (converted from a PC05) are still >here.. Yes, they are ;-) Yeah, there's been a rash of disappearences, some have reported suspicious 18-wheeler trucks parked in peoples back yards with 12 people moving computer gear ;) >That's probably my info - I converted a PC05 into a PC04 because I >couldn't get the real thing either. Why yes, now that I look it is. Kudo's to you BTW - it's a very nice clean mod. I will do it if I have to, but wanted to check around for the "real thing". There's just something heartsinking about taking a dremmel tool to the front of my PC05 :) One question though - why is the switch needed anyway (I never used the real thing before)? It would seem to me that the PC05 arrangement where power is turned on when data is sent works fine - why put a switch on it? If the switch isn't needed for easy access, it could always be put on the rear or out of site. >You do need to get the DEC Omnibus -> PC04 interface (M840???). That's >the only hard thing to find. The other flip-chip card is quite common. Yup - the previous owner didn't have that either. I'm still hunting for the module, but quite determined. >I suppose the other thing to find would be a 'junker' PC04 and use the >backplane and switch PCB + bezel (and rear label if you really want to be >correct) to convert yours without any real changes. The punch and reader >mechanisms, many of the cards, PSU, etc are the same. True. I'll keep looking for a bit still... THANKS! PS - I hope you didn't mind but someone on the list asked me for a copy of the PC05/4 mod, so I passed on your email address. I apologize in advance if youd've preferred me not to. Regards, Jay West

27 years

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IBM Sindelfingen Museum

by Jgzabol＠aol.com

In einer eMail vom 03.02.99 12:24:16 MEZ, schreiben Sie: << Jgzabol(a)aol.com wrote: > There is a _WORKING_ 1130 at the IBM Museum in Sindelfingen, Germany. Do you have any contacts there? I would love to visit that place. Regards, _---_--__-_-_----__-_----_-__-__-_-___--_-__--___-__----__--_--__-___- Hans B Pufal Comprehensive Computer Catalogue <mailto:hansp@digiweb.com> <http://digiweb.com/~hansp/ccc> >> The IBM museum there is a very remarkable place indeed. They have a lot of equipment in perfect working condition, beginning with Hollerith equipment more than 100 years old, _WORKING_ 650, _WORKING_ 1401, _WORKING_ 1130, and several other things. Contacts there are Mr. Reimer, or Mr. Spengler, or Mr. Kistermann, +49-711-785 7434 phone. The setup is that IBM pays the building any any direct cost, no salaries, and the people there are all retired IBM employees - having all the knowledge, tools, etc. , contributing their hours !! The address is Bahnhofstrasse 43, Sindelfingen. This is NOT a public place, visit by appointment ONLY. The people there however enjoy very much showing their beautifully kept machines. Regards John G. Zabolitzky

27 years

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"System Software for Soviet Computers" and more...

by svs＠ropnet.ru

G'day, This publication may be of interest to those willing to collect Soviet computers (I never saw it, just found a reference to it in <URL:http://www-db.stanford.edu/pub/gio/paperlist.html>.) 74. Wegner, Peter, J. Nestor, E. Schonberg, S. Smoliar, P.J. Weinberger, G. Wiederhold, and P. Wolcott: System Software for Soviet Computers; FASAC Technical Assessment Report, Science Applications International Corporation, McLean VA, August 1989. Another possible source of information: Charles Babbage Institute of Computer History, National Bureau of Standards collection: <URL:http://www.cbi.umn.edu/inv/nbs3.htm> * ---. Soviet Cybernetics Technology: I. Soviet Cybernetics, 1959- 1962, 1963 Jun. NBS #: 6303048. * ---. Soviet Cybernetics Technology: II. General Characteristics of Several Soviet Computers, 1963 Aug. NBS #: 6303052. * ---. Soviet Cybernetics Technology: III, Programming Elements of the BESM, STRELA, URAL, M-3, and KIEV Computers, 1963 Sep. NBS #: 6326275. * ---. Soviet Cybernetics Technology: V. Soviet Process Control Computers, 1965 Nov. NBS #: 6526276. More: <URL:http://neptune.fedworld.gov/cgi-bin/waisgate?waisdocid=1316428519+25+0+…> Chip in the Curtain - Computer Technology in the Soviet Union (1989) <URL:http://neptune.fedworld.gov/cgi-bin/waisgate?waisdocid=1316428519+24+0+…> Parallel Processing Research in the Former Soviet Union. (1992) <URL:http://www.icfcst.kiev.ua/FRAME/books-fr.htm> "History Computer Science Books" (images of early Soviet computers are linked from this page) <URL:http://www.alink.net/~avg/tetris.c> A remake of Tetris, with look-n-feel of original version. <URL:http://windoms.sitek.net/~fiks/tetris.zip> "Tetris" for the MK-85 calculator. <URL:http://www.zhurnal.ru/1/maslov.htm> "Early days of Internet in Russia" (I know of an ES-1010 that to this day runs MISS.) <URL:http://kulichki.rambler.ru/moshkow/unixhelp/> Some user documentation on Besta-88. Reportedly, Linux <URL:http://www.dejanews.com/getdoc.xp?AN=329737050> and NetBSD were ported to this machine. <URL:http://www.vpti.vladimir.ru/rus/archives/humor/es.html> A piece of folklore about ES-10xx series of machines. These are "almost, but not quite, entirely different" :-) clones of IBM 360 series, except ES-1010, which is a clone of Mitra 225, and emulates IBM 360 instruction set in software (if need arises). <URL:nntp://fido7.mo.dec> <URL:nntp://fido7.ru.bigblue> <URL:nntp://fido7.su.mainframe> <URL:nntp://fido7.zx.spectrum> <URL:nntp://fido7.real.speccy> <URL:nntp://fido7.ru.amiga> These are FidoNet echomail conferences, bidirectionally gatewayed to Usenet. See <URL:http://www.fido7.ru/> for details. -- Sergey Svishchev -- svs{at}ropnet{dot}ru

27 years

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RT-11: ?DIR-F-Invalid directory

by mbg＠world.std.com

>NO!!!! I just tried to run a SYSGEN on my RT-11 system, and I seem to >have lost the filesystem when it started to rebuild the system. I'm able >to boot to another partition (gotta love that WQESD controller), and I >get the following results: > >.dir du2: <-DU2: is my main RT-11 disk > >?DIR-F-Invalid directory What was the last thing you did (exact command, if you can remember it) before you noticed the disk directory was bad - this will help in determining how bad off you are. If it was something trivial, and the directory (blocks 6 to 68) is intact, it probably is something wrong with the home block (block 1). If it wasn't something trivial, then the files may still be there, but it will take some work finding the beginning of them (and it will take your knowledge of what was on the disk). Remember, RT-11 files are contiguous -- once you've found the beginning of one, the whole file will be there (unless it was partially overwritten). >Please tell me there is a way to recover (unfortuanlty I doubt there is). >I wasn't smart enough to make backups and everything I've been working on >was on that partition. As I mentioned, it depends on what you might have done... then again, the controller might have, in a fit of brilliance, written whatever it pleased on the disk... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

27 years

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eBay performance art

by jfoust＠threedee.com

I hate to interrupt the discussion of "how to build a CD player if you're stuck on a desert island with a box of valves and a solder gun," but a friend sent me a note about an interesting eBay auction (sorry, Doug, but you might like it): <http://cgi.ebay.com/aw-cgi/ebayisapi.dll?viewitem&item=62692227> Be sure to follow the link under "Read more information about this auction" for The Rest Of The Story. - John

27 years

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More info available? Was: Re: 1130 has been claimed

by drbilling＠ucdavis.edu

>> ... >> >>The Meta 4 (from Digital Scientific) was a clone of the >>IBM 1130, made in San Diego (ok, maybe Del Mar or Sorrento > >In fact, the Computerwoche article above maintains it is San Diego. I've >seen San Diego in other Meta 4 references I've found like the one Stan >offers below. The headquarters and factory were in the Sorrento Valley, although their mailing address may have been San Diego. I visited their offices once. I supported a DSC Meta-4 for several years, about 1973 to 1976. It replaced an IBM 1130 which it emulated exactly, but was 10 times faster when running IBM 1130 FORTRAN IV programs. It was an elegantly simple machine. The micro controller was truly a RISC machine, I think it had a 3 bit op code, 8 instructions. >>Valley area) around 1970. IIRC it was called an 1130 clone, but >>actually had the extra instruction(s) that would really make it an 1800 >>clone. Yes it had the set/clear memory protection bits. The memory arrays in IBM 1130/1800's were 18 bits ... 16 data bits and 2 parity bits for an 1130 and 16 bits, one parity bit and one memory protect bit for the 1800. >> >>I remember that the Meta 4 had firmware that was implemented on >>boards about 1 foot by 1 foot, with little copper squares of foil about >>the 1/4" by 1/4" ...indicating 1/0 by presence/absence. One problem >>was that the squares would sometimes lift up a bit, so we'd take out >>the boards and press them down again. Yes it was a type of capacitor Read Only Storage with a read cycle of 90 ns. >>I remember we also had APL, on a removable disk cartridge. > >In the pages I've seen so far, the 1130 is said to have a max of 16KWord of >memory but my professors at school were bragging about our machine having >32K of memory (in 1972). Was there in fact an upgrade to 32K _words_ or >were they simply getting 32K bytes and 16K words confoozed? Remember, this >was all quite new to these older age professors then when few >backwater-area colleges our size even had a computer. The 1130/1800 addressed 32K words, but the DSC Meta-4 had a feature so that you could load 64K or RAM, then context switch between two 32K banks. In this manner they developed a multi user 1130 timesharing system. The timesharing control system was in the upper 32K and it swapped out 1130 users. If you had a fixed head disk attached, a feature available only on the DSC Meta-4, not the 1130, you could swap out the whole 32K in some ridiculously short time, like 50 ms., then swap in another 32K user in 50 ms. and pick up where they left off. It really worked, we attached 8 dumb terminals to it and had 8 simultaneous 1130's running for less than the price of a single IBM 1130, and since it was 10 times faster than an 1130, each user could be running at about the same speed as an 1130, if they were compute bound ... not usually because most of the users were pounding the keyboard editing FORTRAN code and compiling. It worked well until we replaced it with a DEC SYSTEM-20 which was 10 to 100 times faster still ... at about the same price. I still have the manuals for the Meta-4, even though I was dumb enough to get rid of all of my 1130 manuals. As an aside, DSC developed the line of National Semiconductor IBM Mainframe clones that are now one of the Japanese lines ... and disappeared. -- Dean =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Dean Billing Phone: 530-752-5956 UC Davis FAX: 530-752-6363 IT-CR EMAIL: drbilling(a)ucdavis.edu One Shields Way Davis, CA 95616

27 years

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Gorilla manual

by rigdonj＠intellistar.net

Umm. You'd better re-read the message Todd. It for a Gorilla MONITOR manual. Joe At 06:56 PM 2/2/99 -0500, you wrote: >I posted the message about the printer. I found one thanks to someone else's >posting. It does not have a manual, so if you care to part with it, please >let me know. Thanks. > >Todd Osborne >Senior Software Engineer >FMStrategies, Inc. >http://www.fmstrategies.com/ >-------------------------------------------------------- >FMStrategies, Inc: tosborne(a)fmstrategies.com >Internet E-Mail: todd.osborne(a)barnstormer-software.com >-------------------------------------------------------- >Founder of the Virtual Windows Class Library (C++) >http://www.barnstormer-software.com/vwcl/ >-------------------------------------------------------- >Anagrams? (http://www.wordsmith.org/anagram/) >Can you figure out this one? Want the answer? E-Mail me. >COCO VERDI MOM (Hint: Think Late 1970's Computer) >-------------------------------------------------------- >Quote: >"The timid die just like the daring, and if you don't take the plunge then >you'll just take the fall" - Michael Longcor > >> -----Original Message----- >> From: CLASSICCMP-owner(a)u.washington.edu >> [mailto:CLASSICCMP-owner@u.washington.edu]On Behalf Of Sam Ismail >> Sent: Tuesday, February 02, 1999 6:33 PM >> To: Discussion re-collecting of classic computers >> Subject: Re: Gorilla manual >> >> >> On Tue, 2 Feb 1999, Joe wrote: >> >> > A couple of weeks ago someone was asking about a Gorilla Banana printer. >> > Today I found the onwer's manual for my old Gorilla monochrome monitor. >> > Does anyone need it? >> >> Speaking of such, I picked up one of said printer yesterday at a thrift >> shop (charity shop for the UK impaired) for $10. >> >> Sellam Alternate e-mail: >> dastar(a)siconic.com >> ------------------------------------------------------------------ >> ------------ >> Always hasslin' the man. >> >> Coming in 1999: Vintage Computer Festival 3.0 >> See http://www.vintage.org/vcf for details! >> [Last web site update: 01/15/99] >> >> > >

27 years

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S100 boards

by cswiger＠wilma.widomaker.com

Andrew Davie[SMTP:adavie@mad.scientist.com] writes: >S-100 George Morrow Disk Jockey 2D/B Hmm, 50 pins, could that possibly be a SASI card? As in Shugart Associates pre-SCSI bus Chuck cswiger(a)widomaker.com

27 years

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1130 has been claimed

by jdykstra＠nortelnetworks.com

>There is an 1130 site on the web at ><http://www.mindspring.com/~hshubs/1130/> which has the functional >characteristics manual. Thanks, Hans, for pointing this out. None of my web searches had found this site. Does anyone know of any other IBM 1130's in North America? I'd go a fair distance to see one again. ---- John Dykstra jdykstra(a)nortelnetworks.com Principal Software Architect voice: +1 651 415-1604 Nortel Networks fax: +1 612 932-8549

27 years

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Euro on old computers

by cswiger＠wilma.widomaker.com

Hans Franke[SMTP:Hans.Franke@mch20.sbs.de] writes: >> Uh-oh, Hans...am I detecting hostility toward the Euro? > >No, just about some stuipd ideas around like >a) the name - calling it Euro and cent is a coward like solution > >d) The stupid symbol. Ah, just an image problem - nothing that a few billion units of advertising can't fix. You'll get used to it :/ Look at what effective marketing did for uSoft. Chuck cswiger(a)widomaker.com

27 years

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