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

by Mzthompson＠aol.com

On Sun, 14 Oct 2001, ard(a)p850ug1.demon.co.uk (Tony Duell) wrote: > I have come across a chip that I don't have the pinout of. It's a 4063, > presumably 4000-series CMOS. The one in the device is made by RCA. > From the function in the circuit, I would guess it's some kind of 4 bit > comparator. Correct, RCA data book lists as CD4063B CMOS 4-Bit Magitude Comparator > Does anybody have the pinouts (16 pin DIL). It's not in any of my CMOS > databooks that I can find. If you do, could you please type them as a > simple text file (as in Here's the pinout: 1 : B3 2 : (A<B)in 3 : (A=B)in 4 : (A>B)in 5 : (A>B)out 6 : (A=B)out 7 : (A<B)out 8 : Vss (or Gnd) 9 : B0 10 : A0 11 : B1 12 : A1 13 : A2 14 : B2 15 : A3 16 : Vdd Mike

24 years, 8 months

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classiccmp-digest V1 #747

by philpem＠bigfoot.com

On Sat, 13 Oct 2001 at 22:51:32 -0400 "Glen Goodwin" <acme_ent(a)bellsouth.net> said: > Philip Pemberton wrote: > > > A while ago I got a Phonemark "Quick Data Drive", aparrently made by > > Entrepo. It uses small endless-loop tape cartridges called "Wafers" (any > > relation to the Rotronics Wafadrive? hmm...). > > Sounds like this device uses the same "stringy floppy" tape as the A&J > Microdrive and the Wafadrive. Looks like it - I found a post on GoogleGroups from someone who said the Wafadrive used the same carts. > > I've had the cover off, and it appears to use a small-ish black plastic > > mechanism with "BSR" printed on it. This mechanism looks (from the front) > > exactly like the ones on the Rotronics Wafadrive. Anyone know if > Wafadrive > > cartridges will work with it? Anyone know where to get Wafadrive > cartridges? > > Try comp.sys.sinclair. Be advised that Entrepo made two types -- A and B. > Same tape, different housing. I have A&J drives (one each A and B type) > hung off my TS2068. Hmm... Live and learn. By TS2068 I assume you mean the Timex/Sinclair 2068. > The drives are slow, and the tapes are extremely fragile, to the point that > I rarely use the drives any more, in order not to destroy my few remaining > tapes. Urk! Time to get a few tapes in while they're still available :-) If the tape is that fragile, I might pull one apart and replace the tape with better quality tape. Or I might design my own "stringy floppy" drive - even more fun! Anyone got a spare QOS wafer? -- Phil. philpem(a)bigfoot.com http://www.philpem.f9.co.uk/

24 years, 8 months

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Epson Equity 1

by kcalvin＠chartertn.net

I'm looking for a keyboard for an Epson Equity 1. I have many vintage computers and parts for trading. Thanks, Kent

24 years, 8 months

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Semi-OT : 4063 pinout

by Antonio.Carlini＠riverstonenet.com

>Does anybody have the pinouts (16 pin DIL). It's not in any of my CMOS >databooks that I can find. If you do, could you please type them as a >simple text file (as in From www.freetradezone.com: 1. B3 2. (A<B) IN 3. (A=B) IN 4. (A>B) IN 5. (A>B) OUT 6. (A=B) OUT 7. (A<B) OUT 8. Vss 9. B0 10. A0 11. B1 12. A1 13. A2 14. B2 15 A3 16 Vdd Antonio

24 years, 8 months

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Research Machines Information

by Antonio.Carlini＠riverstonenet.com

>I've scanned the schematics from the 480Z Information File and put them >online. However, they are hand-drawn, so I've had to scan them in >grayscale at 300dpi in order to be readable. > > http://vt100.net/rm/480z/schematics/ Be warned that the page does not load if you have Javascript on (at least in Netscape 4.7). It appears to be missing at least http://vt100.net/rm/480z/rml.css. Netscape 6 OTOH is fine. Antonio

24 years, 8 months

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Radio shack TRS-80 PC-1 and PC-2

by technos＠nerdland.org

On Saturday, October 13, 2001 3:06 PM, Tony Duell [SMTP:ard@p850ug1.demon.co.uk] wrote: > I have the Sharp PC1500 (very similar to the TRS-80 PC2) technical > manual.... (well, I would, right :-)). > > It doesn't say that much about the cassette format, but it does say > something. If there are any details you're not sure about, feel free to > ask me in case I can find them... > > > > > I *WILL* IRC from one of these, goddamnit.. > The PC-1500 is the same calc. The only differences are in the badge and the keyboard. You can plug Sharp modules, printer, etc into the RS (and vice versa) I have the RS equivalent technical manual. It gives specifications on the frequency encoding and rate. I also managed to scrounge a break down of the raw hex to Basic operand (two digit hex code to each operator/char, a small amount of padding) > Err, add a CE158 RS232 interface (to the PC2/Sharp PC1500)? It contains a > 1-line terminal emulator in the ROM :-) Yes this device does exist... > > Radio Shack sold a similar unit for a time. The ROM and RS232 interface > was indentical, but the Centronics port (present on the CE158) was not > fitted. The commands to talk to it were still in the ROM, but undocumented... > > I have one of each type. With the latter one, I could have added the > Centronics port (it's only a couple of buffer chips, and I have all the > schematics), but instead I packed an ADC chip in there, using the 'spare' > port lines on the I/O chip to talk to it (I/O lines that would have been > used for the centronics port, etc). Made a nice pocket data logger :-) > > -tony The problem is finding one. I've had *no* luck, and even if I could find one, it wouldn't help me with the PC-1 (Sharp PC-1211) anyway. Jim

24 years, 8 months

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SCSI pros & cons

by acme_ent＠bellsouth.net

I wrote: > > If you have a pile of cards, one machine, and none > >of the cards work in that specific box, I'd suggest that there may be a > >fault in the box, or another device in there which conflicts with your SCSI > >cards. Iggy replied: > Who cares what the cause is? The point is that it won't work. ??? Well, *I* care what the cause is. If you put a piece of hardware in a system and it doesn't work, don't you want to know why??? I don't understand this. > I see that BIOS setup utility on the cards as a sympthom of the low level of > integration. The cards behave as an alien entity in the computer. ??? Okay, so you have to integrate the card into the system yourself, and that setup utility gives you the information and control you need to do it. Alien entity? What do you mean??? Glen 0/0

24 years, 8 months

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big physics labs

by dec.parts＠verizon.net

Mike (and any others), If you frequent "big physics" or other labs, you might know of the whereabouts of a part that is currently needed. If you do, it could be payday for you. Need from 1 to 8 Eltec Eurocom-7 VMEbus CPU's order number ( Rev. ) B130 or equivalent. Sincerely, Bennett > What about the system that was used in large scale lab stuff, > I am thinking by Kinetic Systems and it linked instrument racks > together that they called Crates. They were all over the big > physics labs.

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by john_boffemmyer_iv＠boff-net.dhs.org

hmmm, what about usb net linq? i know it's new and i'm probly gonna get flamed for saying it, but it's just as new as 802.11b wireless. and what about phonenet/phonelink 10mbit over the phone lines in the house? or even powerlink, 8mbit over the power outlets in your house? - John Boffemmyer IV At 10:47 AM 10/14/01, you wrote: > > Sellam Ismail wrote: > > > > > > On Tue, 9 Oct 2001, Tarsi wrote: > > > > > > > 4) Any other interesting topologies I should try? I have plans to > > > > do: Arcnet, FDDI, Token ring, Localtalk, 10b2, 10b5, 10bT, 10bTX, > > > > 10bFiber, and (eventually) 802.11b wireless. > > > > > > String and tin cans? > > > > > Message in a bottle ??? > >Smoke signals? Talking drums? > >...Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom... > >-dq ---------------------------------------- Founder, Lead Writer, Tech Analyst and Web Designer Boff-Net Technologies http://boff-net.dhs.org/index.html ---------------------------------------

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by dhquebbeman＠theestopinalgroup.com

> Sellam Ismail wrote: > > > > On Tue, 9 Oct 2001, Tarsi wrote: > > > > > 4) Any other interesting topologies I should try? I have plans to > > > do: Arcnet, FDDI, Token ring, Localtalk, 10b2, 10b5, 10bT, 10bTX, > > > 10bFiber, and (eventually) 802.11b wireless. > > > > String and tin cans? > > > Message in a bottle ??? Smoke signals? Talking drums? ...Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom-ba-ba-Boom... -dq

24 years, 8 months

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RS6000 7012-320H

by cmurillo＠emtelsa.multi.net.co

Today I came by an RS6000 7012-320H (Powerserver 320). On topic, since it was introduced in '91. It seems to have 16MB RAM, a SCSI card, an 800MB HD, 25MHZ cpu and a 8-port serial card. No framebuffer. There was an 8mm tape unit that came with it. Oh, and, >from what I can gather from the IBM web site, it is missing some sort of "ethernet riser card" which seems to provide the means to drive enet starting from a network header on the mainboard. I should be getting some of the terminals that were hooked to this beast. However, I have neither keys nor AIX install media. So I have several questions: 1) Which OS' (besides some old version of AIX) run on this box? Or, if I am stuck with AIX, in addition to praying that the HD is still alive, how could I break in and change the root password? 2) What exactly is this "ethernet riser card"? Do I have a network-less system? 3) Late last year, I posted a message to this list about some SIMMs that I grabbed off an AS400 system; they look like 72pin SIMMs but have a slightly different form factor and won't fit in a standard 72 pin socket. The thing is, they seem to fit the sockets in this system. And, that AS400 was equipped with exactly the same model of HD that this RS6000 has. So I am wondering if those 4MB SIMMS will fit this system, which is filled with 2MB SIMMS... carlos. -------------------------------------------------------------- Carlos E. Murillo-Sanchez carlos_murillo(a)nospammers.ieee.org

24 years, 8 months

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Research Machines Information

by Simon.Hardy＠hemel-hempstead.sema.slb.com

Paul, Many thanks.... heres hoping I can get the info I need from them to get this machine back up and running. Regards Simon -----Original Message----- From: Paul Williams [mailto:celigne@tinyworld.co.uk] Sent: 13 October 2001 20:31 To: classiccmp(a)classiccmp.org Subject: Re: Research Machines Information "HARDY, Simon" wrote: > > Desperately seeking any 480z or 380z manuals or other information, > online, original or photocopy. I've scanned the schematics from the 480Z Information File and put them online. However, they are hand-drawn, so I've had to scan them in grayscale at 300dpi in order to be readable. http://vt100.net/rm/480z/schematics/ ___________________________________________________________________________ This email is confidential and intended solely for the use of the individual to whom it is addressed. Any views or opinions presented are solely those of the author and do not necessarily represent those of SchlumbergerSema. If you are not the intended recipient, be advised that you have received this email in error and that any use, dissemination, forwarding, printing, or copying of this email is strictly prohibited. If you have received this email in error please notify the SchlumbergerSema Helpdesk by telephone on +44 (0) 121 627 5600. ___________________________________________________________________________

24 years, 8 months

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Radio shack TRS-80 PC-1 and PC-2

by technos＠nerdland.org

Well, the idea is this; Simple three line basic prog running on the calc, doing 'input#' for data from a sound card. The encoding format is kind of documented as is the text->bin conversion. There are already a pair of programs that will handle conversion from wav->bin->text or bin->wav, just not text->bin->wav. They're also DOS utils with no source availibility, and their support for the PC-1 (Sharp PC-1211) isn't 100%.. Jim On Saturday, October 13, 2001 10:13 AM, Cameron Kaiser [SMTP:spectre@stockholm.ptloma.edu] wrote: > > Welp, have managed to reach the fellow who wrote the conversion utilities > > for > > these fine calculators.. And got a very nice pointer to pretty much all I > > would > > ever want to know about them. Now I get to start on a Linux kernel driver to > > > > make them appear as serial devices.. A couple hundred baud fake serial > > connect over /dev/dsp is looking mighty feasable.. > > I'd love to hear how this worked. I've got a PC-3 and PC-4 in my stable. > Care to explain in greater detail how you're connecting/communicating with > them? > > -- > ----------------------------- personal page: http://www.armory.com/~spectre/ > -- > Cameron Kaiser, Point Loma Nazarene University * > ckaiser(a)stockholm.ptloma.edu > -- UBAX vs lbh ybir EBG-13 > ----------------------------------------------------

24 years, 8 months

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Squealing CRTs

by mythtech＠Mac.com

>>I don't intend to take up high-voltage repairs as another hobby of mine. I'm >>too intent on keeping on living with all my bodily functions intact. > >Aw, you haven't lived until you've been kicked across the room by a HV >powersupply I wasn't that lucky... when I did it, I shorted a cap thru my finger (fortuantly, just thru ONE finger, tip to knuckle). I was working blind in a terminal, and I thought some animal was in there that just ripped my finger off... I was really expecting to pull out my hand and see a stump where my finger had been. Instead I had a really cool exit wound on the tip of my pointer (but not as cool as the one on my elbow when I shorted theater lighting thru my forearm) -chris <http://www.mythtech.net>

24 years, 8 months

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Half-duplex VT420?

by optimus＠canit.se

Since I'll be running another headless computer (HP 9000/380), I brought home my VT420. Nice terminal, but unfortunately this specimen will only talk, not listen. At first, I suspected my HP had lost its settings (the stupid boot PROM must be set via the keyboard to use a serial console). I proceeded to bring my HIL keyboard home and set it (without any screen) to use a "remote" console again, and the machine seemed to acknowledge that, beeping happily. But no response >from the terminal. So I tested it with my DECstation. No response there either. So I hooked it up to my Amiga. Typing at the keyboard, there was output in NComm, but doing the opposite didn't work at all. So we have only one-way communication. What could be the problem? The cable works fine, I'm getting -- En ligne avec Thor 2.6a. Allt ?r under kontroll, och caps lock ?r bredvid.

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by pete＠dunnington.u-net.com

On Oct 9, 12:50, Tarsi wrote: > I've decided that one of my goals is to run every networking topology > possible in my house, regardless if I actually NEED to run them or not. :) > 4) Any other interesting topologies I should try? I have plans to do: > Arcnet, FDDI, Token ring, Localtalk, 10b2, 10b5, 10bT, 10bTX, 10bFiber, and > (eventually) 802.11b wireless. ATM would be good, and although there's a lot of it around, you should be able to pick up a couple of routers fairly cheaply. Acorn Econet? There's Linux support for that too. How about the original DIX Ethernet? Try a web search for Aloha. Sinclair (Timex) machines like the Spectrum and QL used a proprietary network, but I think the only other company to ever use it was ICL. Do you count ADSL, ISDN, X.21, or just LAN stuff? 10base2, 10base5, 10baseF (and FOIRL), 10baseT, 100baseTX, 100baseT4, 100baseFX, 1000baseTX, 1000baseSX, 100baseLX and 1000baseCX are all closely related and you will find some excellent references at http://www.techfest.com/networking/lan.htm 10base2 and 10base5 are bus topologies using 50-ohm coax; 10baseF (and its predecessor FOIRL), 100baseFX, and 1000baseSX/LX are fibre technologies often used as point-to-point but can be used in star networks too; 10baseT, 100baseTX, and 100baseT4 use UTP and are normally used in star topologies. Before you get too carried away, you might want to think about the permutations of protocols, technologies, and topologies or you'll need a much larger house :-) The same fibre that carries FOIRL can (if it's the right size, 50/125) carry 10baseF, 100baseFX, 1000baseSX, ATM, FDDI, ... I have a thin Ethernet (10base2) segment, a thick Ethernet (10base5) segment, a lot of Cat5e carrying 10baseT and some 100baseTX, a chunk of FDDI, some FOIRL, 10baseF, and potentially 100baseFX, at home; and there's lots of redundant ATM kit at work but (a) I have no room, and (b) I'd have to buy it (which is against my religion). I also have some Econet, ISDN, UUCP serial links, etc. -- Pete Peter Turnbull Network Manager University of York

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by dittman＠dittman.net

> > > IP over carrier pigeon!! > > > > UUCP over floppies ferried by cars! BLEEEAAAAAARGH!! > > > > Peace... Sridhar > > Unless I'm mistaken Dave is talking about a transmittion method that's > actually been used. There is actually an RFC for it. Haven't carrier pigeons been extinct long before IP and UUCP were developed? -- Eric Dittman dittman(a)dittman.net Check out the DEC Enthusiasts Club at http://www.dittman.net/

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by mcguire＠neurotica.com

On October 9, Sellam Ismail wrote: > > 4) Any other interesting topologies I should try? I have plans to > > do: Arcnet, FDDI, Token ring, Localtalk, 10b2, 10b5, 10bT, 10bTX, > > 10bFiber, and (eventually) 802.11b wireless. > > String and tin cans? IP over carrier pigeon!! -Dave -- Dave McGuire Laurel, MD

24 years, 8 months

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Looking for : IBM 5110 Serial IO adapter software

by mythtech＠Mac.com

>We have an IBM 5110 with a serial adapter and have recently verified >that the tape drive is operational. We are, however, missing the >software cartridge for the serial adapter. > >Does anyone have a copy who would be willing to make a copy? We can >supply a blank cartridge and pay shipping costs. I have a 5110 tucked away in a corner (I was actually just thinking about it yesterday). I don't know if I have the tape you are looking for, but if you tell me what I should look for, I can check. Are the 5110's of any collector value (not that I would ever part with mine, but I am curious if it is just me that wants to keep it, or if it is actually a valued machine). Mine has this big dual 8" floppy drive box. I *THINK* it might also have a 5mb hard drive built into the floppy box, but I don't remember (the thing has been shut down and in storage for about 12 or 13 years... so it may not work anymore) -chris <http://www.mythtech.net>

24 years, 8 months

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H88 kit available

by donm＠cts.com

Sorry folks, it's gone, Emanuel Stiebler was first on the mark. - don

24 years, 8 months

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Phonemark/Entrepo Quick Data Drive

by acme_ent＠bellsouth.net

Philip Pemberton wrote: > A while ago I got a Phonemark "Quick Data Drive", aparrently made by > Entrepo. It uses small endless-loop tape cartridges called "Wafers" (any > relation to the Rotronics Wafadrive? hmm...). Sounds like this device uses the same "stringy floppy" tape as the A&J Microdrive and the Wafadrive. > I've had the cover off, and it appears to use a small-ish black plastic > mechanism with "BSR" printed on it. This mechanism looks (from the front) > exactly like the ones on the Rotronics Wafadrive. Anyone know if Wafadrive > cartridges will work with it? Anyone know where to get Wafadrive cartridges? Try comp.sys.sinclair. Be advised that Entrepo made two types -- A and B. Same tape, different housing. I have A&J drives (one each A and B type) hung off my TS2068. The drives are slow, and the tapes are extremely fragile, to the point that I rarely use the drives any more, in order not to destroy my few remaining tapes. Glen 0/0

24 years, 8 months

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Looking for Turtle Tot information

by jtinker＠coin.org

The Turtle Tot is a two-wheeled robot, that is about a foot in diameter. It communicates with a computer via RS-232. The supporting software was made by Harvard Associates. I think the actual robot was made by Flexible Solutions, a Tasmanian company. The one I have is missing several chips, and I am trying to find out what they are. If anyone has documentation on this device that includes the board layouts, I could use some help. Thanks, -- John Tinker

24 years, 8 months

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classiccmp-digest v1 #690

by jfmiller＠nc.rr.com

>> CESIL (Computer Education in Schools Instructional Language), >Ha ha, I'd forgotten about that one... I remember typing in a CESIL >interpreter into the Speccy from some magazine or other. It >was even slower than ZX BASIC though so I gave up on it after a couple of weeks.. I wrote that "interpreter". It was published in ZX Computing I think. I still have the magazine upstairs. The original program was written for my 'O'-level in Computer Studies. The magazine had already published Moon Rescue (a rip-off of Lunar Lander) that I wrote one weekend after Swap Shop had been cut short for some sporting event. Smelling the lure of money (15 quid was a lot for a 15-year old in 1981!), I thought I'd send of the ZX-CESIL after converting it from my ZX-81 to my Spectrum. I remember using the real ICL-CES CESIL at school - writing out the code on sheets of paper, sending them off to the local poly. We had a TTY link with an old-fashioned modem and a paper tape reader to boot. We were very jealous of one of the other schools that had a VDU monitor! Ah, yes. Those were the days. My friends and I used to talk about how great it would be to have a VDU with such hi-res graphics that you could do 1024 x 1024 in full 24-bit RGB. We calculated the cost of the RAM to hold one frame and it came to hundreds of thousands of pounds. Not in our life time, we thought. Hee-hee. BTW, I've seen my ZX-CESIL2 on a Russian Spectrum software repository site that you can download and run via a Z80 emulator. Pointless but fascinating! John.

24 years, 8 months

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Burroughs E6000

by plboland＠home.com

As late as 1977 ! was using two Burroughs E6000 computers to perform the function of loan payment application. The loans were for health club membership in the Chicago area and a great deal of the rest of the upper midwest area. We had over 50,000 loans outstanding at any time and processed from 1,000 to 3,000 loan payments a day. The machines we had were magnetic stripe ledger card readers and they would punch an output card with the results of the processing of the transaction. The latest information about the loan kept on a master deck of cards was replaced with the card that was punched as a result of the transaction on the E6000. The update was performed on a daily basis using the 085 sorter and a reproducer/collater. During the last 8 to 12 months of the use of the E6000, while a conversion was being worked on, we used only one E6000 and kept the other one for spare parts. Burroughs had run out of spare parts. The system worked, but it was manually work intensive, fraught with errors and created a great deal of work at the end of the month to balance the ledgers.

24 years, 8 months

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Looking for : IBM 5110 Serial IO adapter software

by mythtech＠Mac.com

>>>Are the 5110's of any collector value (not that I would ever part with >>>mine, but I am curious if it is just me that wants to keep it, or if it >>> >> >> The ones with APL seem to be harder to find than the ones with >> BASIC :( >> >> (I'm looking for a working APL model of 5100, 5110, or 5120 ... >> can trade BASIC model of 5110 or 5120) > > >Ours is an APL model - sorry not available. > >Surely the dual APL/Basic are even rarer? Know what... mine might be a dual! I remember using Basic on it, and there is a front switch to go between basic and something else. I would have said mine was basic only, but just friday, while cleaning out some old stuff, I came across the APL manuals for the 5110... so that would sure tell me mine is a dual (I only have the one, so the APL stuff didn't go it a different machine). And nope, mine isn't available either.... except maybe in trade for a new pickup truck... I am in desperate need for one of those. -chris <http://www.mythtech.net>

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by pete＠dunnington.u-net.com

On Oct 13, 13:10, Eric J. Korpela wrote: > > 100baseTX uses the same pairs as 10baseT. > > > I thought that 100bTX uses 3 pairs for full duplex (at least my > wiring instructions say it uses 1+2 3+6 and 4+5.) Have I gotten some > misinformation? Yes, I'm afraid you have! 100baseTX uses the same pairs as 10baseT, no more, no less. 4+5 are definitely not used. However, they are used (along with 7+8) for 100baseT4, which uses a different encoding and modulation scheme to permit 100Mb/s operation over lower-grade cable, using all 4 pairs, and similarly 1000baseTX uses all four pairs. Nothing I know of (certainly no standard Ethernet technique) uses three pairs. In 100baseTX full-duplex (and 10baseT full-duplex which is an extension of the older standard, not always supported) the same pairs are used for transmit and receive as in half-duplex. The only difference is that both pairs are allowed to be active at the same time (which would be counted as a collision otherwise). -- Pete Peter Turnbull Network Manager University of York

24 years, 8 months

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Eric Smith asked me to post this

by mac＠Wireless.Com

Hi, Eric Smith, currently stuck in Colorado with a large truck full of classic stuff has asked me to post this. (He doesn't have net access.) He appreciates the outpourings of concern, and wishes to communicate that all appears to be under control now. The springs are being repaired on the truck and he should be able to finish the journey. Thanks everybody for your concern. -Mike (for Eric)

24 years, 8 months

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Research Machines Information

by Simon.Hardy＠hemel-hempstead.sema.slb.com

Chris, Thanks for the suggestion...But already looked at that, the keyboard is the old two metal contacts (2mm apart) on the board and a conductive surface under the key type.... No sign of spillage or delay in key returning to normal... I suspect a component fault, but have no idea where to look without a manual... Desperately seeking any 480z or 380z manuals or other information, online, original or photocopy. Rgds Simon -----Original Message----- From: Chris [mailto:mythtech@Mac.com] Sent: 11 October 2001 16:03 To: Classic Computer Subject: RE: Research Machines Information >the keyboard repeats (a bit like local >echo). If I press a key, I get two of the same character on the screen. One >appears when the key is pressed, and the other when it is released. I have seen this happen MANY MANY times with PC keyboards, so maybe my findings apply. In every instance that I have found it, it is beacuse someone spilled either soda or coffee into the keyboard, and the pads were sticking. The key would register when pressed, and then when released, the pad wouldn't pop up right away, instead it would "peel" up, and cause a 2nd (or sometimes a 3rd if it was sticky enough) registration. Opening the keyboard and washing with alcohol or contact cleaner has always fixed it for me. -chris <http://www.mythtech.net> ___________________________________________________________________________ This email is confidential and intended solely for the use of the individual to whom it is addressed. Any views or opinions presented are solely those of the author and do not necessarily represent those of SchlumbergerSema. If you are not the intended recipient, be advised that you have received this email in error and that any use, dissemination, forwarding, printing, or copying of this email is strictly prohibited. If you have received this email in error please notify the SchlumbergerSema Helpdesk by telephone on +44 (0) 121 627 5600. ___________________________________________________________________________

24 years, 8 months

3
4
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Radio shack TRS-80 PC-1 and PC-2

by technos＠nerdland.org

Welp, have managed to reach the fellow who wrote the conversion utilities for these fine calculators.. And got a very nice pointer to pretty much all I would ever want to know about them. Now I get to start on a Linux kernel driver to make them appear as serial devices.. A couple hundred baud fake serial connect over /dev/dsp is looking mighty feasable.. I *WILL* IRC from one of these, goddamnit.. Jim

24 years, 8 months

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SCSI pros & cons

by acme_ent＠bellsouth.net

> > Who cares what the cause is? The point is that it won't work. > > This comment worries me a lot (mind you, it's typical of the mentality of > PC-goons, but I thought this list was mostly hackers)... > > Whenever something doesn't work, my first reaction is to fix it. And the > first stage in fixing a problem is to identify what that problem is (at > whatever level of detail is necessary to be able to decide on the right > repair). > > -tony I'm with you, Tony. From what Iggy wrote it appeared that he stuck a bunch of boards in a system, didn't get the results he expected, and just gave up. I simply do not understand this sort of thinking. Aren't we supposed to be the ones in control of the machines??? Glen 0/0

24 years, 8 months

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IDing WYSE terminal

by mythtech＠Mac.com

> There is WYSE emulation >software available, but at a cost. Do you know a product name? where can I get info? I can find a free wyse 50 emulator (well, sort of, there is one in an old version of ProComm+ that I have), but it doesn't seem to work with the system. Otherwise, is there someplace I can look up the spec for the protocol it uses... maybe write my own emulator. Is this public info, or would I have to buy the rights from Wyse? -chris <http://www.mythtech.net>

24 years, 8 months

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Philbrick?

by mranalog＠home.com

John Allain wrote: > While cleaning up some garage space (yes, so a Car could > go in there) I came across a cache of some things I knew I > had and one thing I forgot. > A 2 tube module.from George A. Philbrick Researches Inc. > It's a GAP/R K2-W with "computor" tubes in it. > > Before anybody vomits (as regards computor) could > somebody remind me who Philbrick was? > The name seems familliar. TIA 1946 George A. Philbrick Researches Inc. (GAP/R) founded by George Arthur Philbrick, electronic analog computer pioneer. The company produced many innovating electronic analog computer designs. During the 50's and early 60's they had the opamp market pretty much all sewn up. 1966 Merged into Teledyne Philbrick Nexus, Which became Teledyne Philbrick, Which became Teledyne Components, 1993 Became TelCom Semiconductor. The K2-W was the first commercially available opamp. Open loop gain of 15,000. Power requirements are 4.5 ma at +300VDC and -300 VDC, and .6 amp at 6.3 volts AC or DC (tube heaters). Input and output voltage range -50VDC to +50VDC. Input current is less than .1ua. Early ones had a case of brown bakelite, later ones had a grey plastic case. I can send you a data sheet. Regards, --Doug ========================================= Doug Coward @ home in Poulsbo, WA Analog Computer Online Museum and History Center http://www.best.com/~dcoward/analog =========================================

24 years, 8 months

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[possibly OT]: Citizen 120D+ interface connector and Acorn System questions

by philpem＠bigfoot.com

On Thu, 11 Oct 2001 23:06:34 +0100 (BST) ard(a)p850ug1.demon.co.uk (Tony Duell) wrote: > > BTW, anyone got a schematic for the Acorn Teletext Video card for the Acorn > > System-series machines? > > Is this some kind of trick question? Yes, I have it, open in front of me. > Got most of the other System schematics as well... Would you mind scanning and uploading the Teletext Video Card schematics for me? Preferably in PNG or some other lossless format at +/-300DPI. Thanks. -- Phil. philpem(a)bigfoot.com http://www.philpem.f9.co.uk/

24 years, 8 months

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Phonemark/Entrepo Quick Data Drive

by philpem＠bigfoot.com

Hi, My old Citizen 120D+ is back from the dead (thanks to some 0.71mm tinned copper wire and a bit of fiddling with my soldering iron) and I've got another query. A while ago I got a Phonemark "Quick Data Drive", aparrently made by Entrepo. It uses small endless-loop tape cartridges called "Wafers" (any relation to the Rotronics Wafadrive? hmm...). Without the Master QOS Wafer or the blank wafer that were supposed to come with it. Anyone care to tell me where I can get these tapes? Also, without the QOS wafer, I can't get my VIC-20 to work with it. Anyone want to hook a QDD up to a PC and transfer QOS to a T64 (tape) file for me? I've had the cover off, and it appears to use a small-ish black plastic mechanism with "BSR" printed on it. This mechanism looks (from the front) exactly like the ones on the Rotronics Wafadrive. Anyone know if Wafadrive cartridges will work with it? Anyone know where to get Wafadrive cartridges? I _know_ this thing will work on a VIC-20, but without the QOS wafer or a blank wafer I'm stuck. Is the tape inside these carts normal C-30 "Computer Tape"? Anyone care to sacrifice one and take pictures and measurements? A 2D CAD drawing of the tape would be nice (I can get good-quality C60s relatively easily, I just need to know how the wafers are assembled). Thanks again. -- Phil. philpem(a)bigfoot.com http://www.philpem.f9.co.uk/

24 years, 8 months

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Moving in 12 days....

by technos＠nerdland.org

Unless you've got a stockpile of DEC and/or Atari you haven't shared, your number is safe with us. Jim On Friday, October 12, 2001 10:38 PM, Curt Vendel [SMTP:curt@atari-history.com] wrote: > Hi Sean, > > Wanted to update my information with you, I'm moving in my new house in 12 > days, here's my new info: > > Curt Vendel > 117 Duke Drive > Carmel, NY 10512 > (845)-225-9793 (voice) > (845)-225-9794 (Fax) > > > Curt

24 years, 8 months

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SCSI pros & cons

by acme_ent＠bellsouth.net

> Glen Goodwin skrev: > > >Hmm -- my personal experience is that, unless the machine is already > >junked-up with a random assortment of TV and radio tuner cards, video > >accelerators, SoundBlasters and DVD decoders, SCSI is easily added to a > >motherboard with onboard IDE ports. I've personally built a few dozen of > >them, using both IDE and PCI SCSI controllers. > > >What sorts of problems are you encountering? Iggy Drougge replied: > You're welcome to try to sort out our pile of SCSI cards which so far haven't > worked in our OpenBSD machine. One machine, or many? If you have a pile of cards, one machine, and none of the cards work in that specific box, I'd suggest that there may be a fault in the box, or another device in there which conflicts with your SCSI cards. > We don't use PCI cards, though (we sold that > one, since we wouldn't use the SCSI for anything else than tapestreamers and > so forth). Besides, SCSI integration into PC systems is really clumsy. Wow - these days the BIOS setup utility on the cards allows a lot of flexibility and also provides information about the installed SCSI devices, making it easy to verify IDs, etc. A few years ago I was building 80MHz 486 systems using Rancho Technologies RT1000 8-bit SCSI cards which I got for about $8 each. The cards were shipped labeled "not Win95 compatible," but, not only did they work with Win95, I never saw a faulty card, or a system in which the RT1000 wouldn't work. (Okay, so they were *slow*) So, my SCSI experiences have been good. > and they don't behave like the IDE hard drives. Well, that's the point, right? ;>) > They > have their own little BIOSes and things which I'm not used to from other > systems. Those little BIOSes (the ones with a setup program) are a *big* advantage. Just today I was cursing the fact that the BIOS on the ATA-66 controller I was installing didn't have a setup program. It took me two hours to get all six IDE drives working properly. With a decent SCSI card it would have been 15 minutes, tops (barring any bad drives or cables). > In fact, non-PC systems tend to see IDE as a kind of bastard SCSI > instead. They may be onto something there . . . Glen 0/0

24 years, 8 months

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Apple ][ disk controller state machine

by dhquebbeman＠theestopinalgroup.com

> Until I get my hands on a copy of the venerable "Beneath Apple Dos" > is there anyone who can point me to an online resource describing the > Apple ][ disk controller P6 ROM state machine? The exact uses > for the Q6 and Q7 switches ($C0EC-$C0EF)? Or would be willing to > summarize from the mighty tome for me? From: http://www.mac.linux-m68k.org/devel/iwm.php : ======================= : Accessing IWM Registers : ======================= : The IWM chip has several internal registers available to programs. : Access to these registers is controlled by the Q6 and Q7 switches. : : +=====+=====+=======================================+ : | Q6 | Q7 | Register | : +=====+=====+=======================================+ : | off | off | Read data register | : +-----+-----+---------------------------------------+ : | off | on | Read handshake register | : +-----+-----+---------------------------------------+ : | on | off | Read status register | : +-----+-----+---------------------------------------+ : | on | on | Write mode register (if drive is off) | : | | | data register (if drive is on) | : +-----+-----+---------------------------------------+ : : The mode register is a write-only register containing several flag bits : which control various features if the IWM. To access it, turn off the : drive (by accessing ENABLE), turn on Q6 and Q7, and write to any : odd-numbered address in the $C0E0...$C0EF range. hth, -dq

24 years, 8 months

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Levco Macintosh Transputer on Ebay

by rmeenaks＠olf.com

Hi, Here is a link to a Levco Macintosh Transputer board on ebay. http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1284357549 I am not connected to this listing, just passing on the information. I have some information on this board if anyone is interested, but I do not have any drivers for it. If anyone has them, I'll be happy to host them on my website.... Cheers, Ram -- ,,,, /'^'\ ( o o ) -oOOO--(_)--OOOo------------------------------------- | Ram Meenakshisundaram | | Senior Software Engineer | | OpenLink Financial Inc | | .oooO Phone: (516) 227-6600 x267 | | ( ) Oooo. Email: rmeenaks(a)olf.com | ---\ (----( )-------------------------------------- \_) ) / (_/

24 years, 8 months

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Sigma Designs OneReel Tape

by dhquebbeman＠theestopinalgroup.com

> >I'd like to hear more about this SCSI monitor - was it data over SCSI, or > >some kind of control thing, or what? > > It actually got all its data over SCSI. I suppose its main application was the > very oldest compact Macs which didn't even have any PDS slot. Forgot to mention... There were SCSI-interfaced Ethernet adapters for SCSI-equipped Macs... got one of those, too... -dq

24 years, 8 months

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Free unknown keyboard

by Innfogra＠aol.com

The keyboard is for Data General Terminals, I recognize it. I could possibly help IDing the terminal if anyone is interested. I have no interest but maybe some of the DG people on the list do. Paxton Astoria, OR

24 years, 8 months

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Free unknown keyboard

by mythtech＠Mac.com

Since I know people on this group like odd computer parts, I figured I would offer these here: I have 4 unknown keyboards available. They are tan and look like they might have come from some terminal system. They have a DB9 (DE9, ahh... D9) Male connector on it, and carry a part number 6246-A. No mention of who makes it, or what system they came from. I don't know if they work, I don't know anything about them at all. All 4 are rather dirty, and one of them is missing the key cap for what looks like two tildes and a backwards comma key. I recieved them as part of a ship test. (I work for a market research company, and one of the major shippers was doing a test with us, to see how the package made it thru shipping... so we recieved two shipments of 2 keyboards each... the shipper doesn't want them back) You can see a picture of one at <http://www.mythtech.net/keyboard.jpg>. I will hang onto them until monday, but after that, they are being dumpstered. If anyone wants them, they are up for grabs, they would be mailed out of 07450. A single keyboard weighs 6 lbs, figure add another pound for the box and bubble wrap to be safe. I can take PayPal to cover shipping costs, or they can be picked up in Ridgewood, NJ. -chris <http://www.mythtech.net>

24 years, 8 months

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Looking for : IBM 5110 Serial IO adapter software`

by mythtech＠Mac.com

>> I am fairly sure it is vertical. I remember when it started to die, I did >> the Mac Plus analog board fix for it (whack it on the side), and that > >Err, the Mac+ fix I use here involves a TX15 torx driver and a soldering >iron. My Mac+ has a stable screen :-)... Yes, yes, that is the correct way to fix it (I have done many myself)... the "whack it" comment was a tongue in cheek remark, since at one point, that was actually an apple authorized temporary fix (until you got tired of it enough to bring it into a service shop and have the joint resoldered... since back in that day, you were supposed to open your own mac... although I ignored that starting with my 128k). At one point, I even found a tech note about doing it, although, they refered to it as "tapping forcefully". -chris <http://www.mythtech.net>

24 years, 8 months

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Sigma Designs OneReel Tape

by dhquebbeman＠theestopinalgroup.com

> It actually got all its data over SCSI. I suppose its main application was the > very oldest compact Macs which didn't even have any PDS slot. The very oldest Macs didn't have SCSI ports... However, a company called Dove had a board that plugged into the ROM slots, and into which you then placed the ROMs, that provided a SCSI interface for the Mac 512k/512ke. They also had a memory board that had the way of interfacing to the main board... it had funny-looking sockets that "clamped" down on top of the existing DRAMs and which provided enough to bring a 128k Mac up to 512k or a 512k Mac up to 1MB. I still have both boards... -dq

24 years, 8 months

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Philbrick?

by Robert_Feldman＠jdedwards.com

"In 1937-1938 George A. Philbrick developed what he called an "Automatic Control Analyzer." The analyzer was an electronic analog computer..." http://www.computer.org/annals/an1982/a2143abs.htm "Model K2-W computing opamp George A. Philbrick Researches This is a general purpose computing opamp. First introduced in 1952. " http://www.best.com/~dcoward/analog/ -----Original Message----- From: John Allain [mailto:allain@panix.com] Sent: Thursday, October 11, 2001 11:28 PM To: classiccmp(a)classiccmp.org Subject: Philbrick? While cleaning up some garage space (yes, so a Car could go in there) I came across a cache of some things I knew I had and one thing I forgot. A 2 tube module.from George A. Philbrick Researches Inc. It's a GAP/R K2-W with "computor" tubes in it. Before anybody vomits (as regards computor) could somebody remind me who Philbrick was? The name seems familliar. TIA John A.

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by dhquebbeman＠theestopinalgroup.com

> How come noone (not even I) has mentioned Apollo Tokenring? Or Prime's Ringnet ( a Cambridge ring )...? -dq

24 years, 8 months

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ADA 1600 for Pet?

by mhstein＠usa.net

>Date: Wed, 10 Oct 2001 14:38:21 -0500 >From: Gary Hildebrand <ghldbrd(a)ccp.com> >Subject: Re: ADA 1600 for Pet? > >Joe wrote: >> >> I recently picked up a box called a "ADA 1600 Pet Printer Interface".ki >> It's a box slightly larger than a pack of cigarettes with two cables >> attached to it. One cable has a Centronics type connector on it and the >> other has a small circuit board with both a male and female 24 position >> card edge connectors on it. Is anyone familar with it or does anyone know >> which model PET it's for? >> >> Joe > >I think that's an IEEE (HP-IB) to centronics adapter box. I remember >the PETS were famous for that IEEE interface for both disk drives and >printers. The same philosophy continued into the VIC and C=64 lines, >but in a modified serial format. Typical Commodore, just enough >different to be a pain . . . . > >Gary Hildebrand > Tsk, tsk; I would have thought that the SCSI fans would have more appreciation for Commodore's IEEE488 GPIB implementation back in the 70's: less pain than some people on this list have had with SCSI, addressable daisy-chained peripherals, more expensive and less selection just like SCSI, and no problems with termination etc. :-). And they could (and indeed did) talk more or less directly to a lot of high-end lab equipment, especially HP's, although admittedly not quite at the 10Mbps rate of today... That is indeed what it is, Joe; if you actually want to use it, the DIP switch selects the unit address (usually 4 for a printer) and (if I remember correctly) the CR/LF and all-caps options. Still have a couple in fact, as well as a 1450 serial version; used one for many years to let my 8032 talk to my Centronics 101. mike

24 years, 8 months

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AlphaServer 1000A & EISA Config

by bdwheele＠indiana.edu

It is slightly off topic, though I hadn't seen an eisa card for what seems like a decade :) In any case, I recently got a 2nd hand AlphaServer 1000A with no disks. I put an EISA SCSI card I dug up in the machine, but its wanting me to run the eisa configuration utility. After scouring the net, I found one that would come up, but only if I burned it onto a CD. Now its complaining that It can't find a configuration file for my system board. Grrr. I suppose I'm glad EISA is dead, but...it would be nice if I could get this silly SCSI card to work. Any thoughts/hints/suggestions? Brian Wheeler bdwheele(a)indiana.edu

24 years, 8 months

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ArcNet and the Pursuit of Multiple Topologies

by optimus＠canit.se

George Currie skrev: >Any one ever use a network called KanNet (I think that's how it was spelled). > It was around in the mid 80's. The early ones I used actually utilized both >a host adapter and an external box (the network cabling attached via the >boxes). The boxes were large (say 12"x12"x3") and the topology was a ring >running on coax. How come noone (not even I) has mentioned Apollo Tokenring? [snipsnipsnipsnipsnipsnip] -- En ligne avec Thor 2.6a. "Computer games don't affect kids, I mean if Pac Man affected us as kids, we'd all be running around in darkened rooms, munching pills and listening to repetitive music." David McMinn

24 years, 8 months

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Wang VS

by jdonogh1＠prodigy.net

Does anyone know where I might find a Stand Alone Utility (SAU) disk for a Wang VS5E? Or maybe some OS install disks, or a old hard disk from one? VS15 or VS25 would work also-same processor (CP5)

24 years, 8 months

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2.88 MB floppy drive, scsi?

by mythtech＠Mac.com

>There >are those that dislike fooling with the SCSI 'voodoo' though. Once you get the dance steps down, and realize that you have to sacrifice a lamb, not a chicken... the SCSI gods stop causing problems. :-) -chris <http://www.mythtech.net>

24 years, 8 months

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