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

by tomowad＠earthlink.net

I just purchased an Apple /// and noted some interesting differences between the new Apple /// and one I've had for a while. Upon turning on the new ///, it displays some garbage, then beeps and shows "Diagnostic RAM" on the screen, along with a square pattern of '.'s. Not until I press "Reset", does the comptuer dead the floppy drive My old Apple /// (which, BTW, I beleive to have some bad RAM) immediately starts reading the the floppy drive with no "Diagnostic RAM" or need to hit "Reset". Also noted: The new Apple /// has darker keycaps The older Apple /// has a shielded "Color Video" Port On the tags on the bottom of the units: The older has a place to check off either 64k 96k or 128k (128k is checked) The new has a place to check off either 128k or 256k (128k is checked) I understand there was an upgrade to the Apple /// dubbed the "Apple ///+". I was under the impression the '+' was actually written on the case. Is this the case, or is it possible my newer unit is a ///+? If its not, what causes the discrepancy in startup procedure? Just minutely different versions of the Apple ///, or does the older units bad RAM have something to do with it? Thanks! Tom Owad -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

27 years, 11 months

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Lisa II operating software

by Marion.Bates＠Dartmouth.EDU

--- Tony Duell wrote: > > --- Tony Duell wrote: > [Re: copying Lisa disks w/o a working Lisa] > I think the only way is to find some other Lisa 'up and running'.=20 > --- end of quote --- > > There is another way, I think, using Mac utilities. Mr. Craig sent = I would guess that the Mac disk controller would be able to read the later 3.5" Lisa disks. Of course this doesn't help with the 'twiggy' disks. --- end of quote --- Right, but in this case it was specified "Lisa II" which means no Twiggies. (Unless there's some _really_ weird modification happening here...) ;) -- MB

27 years, 11 months

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Lisa II operating software

by roblwill＠usaor.net

> The problem is that these requires (obviously) that the disk controller > can read the data off the disk, at least at the bit/byte level. And Apple > have always used GCR (Group Code Recording) which is incompatible with > the FM (single density) or MFM (double density) recording systems used by > most other manufacturers. I don't know if the Lisa uses GCR encoding, but > since the Apple ][ and Macs do, it's a reasonable bet that the Lisa does > likewise. > > So, alas, the PC's disk controller can't read bytes off Lisa disks. So > there's no way to make a copy using a PC. Aren't there programs that allow PC's to read Apple disks? -- -Jason (roblwill(a)usaor.net) ICQ#-1730318

27 years, 11 months

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I'm Back!

by maxeskin＠hotmail.com

Wow! It's amazing how different a CRT looks after three weeks' break. I don't even feel like sitting at a computer that much anymore. Sorry to start off again on a bad foot, but does anyone know why a certain hard drive of mine won't spin up unless whacked firmly against a table? Is there anything I can do? This is a laptop drive. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

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[Fwd: Old plasma display]

by ecloud＠bigfoot.com

I'm looking for some info on old Panasonic plasma displays. For those of you who have computers that use them for sale, I might be interested in paying a reasonable price for one just to get a working display so I can measure the voltages and get all of them working. I have the controllers for the touchscreen and would especially like to get that working. (Forward of message I also sent to Panasonic and ELO:) Shawn T. Rutledge wrote: > > I have a couple of old Matsushita/Panasonic plasma displays (about 10 > years old I think). One of them has an Elo touch screen. I was > wondering if you happen to have the power supply voltages for the plasma > displays? The power connector on one has 3 pins, and on the other has 4 > pins but only 3 of them are hooked up to wires on the cable. The > polarity is marked, but not the voltages themselves, only "high voltage" > vs. "low voltage" and I'm wondering how high is high? > > One display has the numbers > MD400F640PD5 > 9.5.3 C:153536 > > The other: > MD400F640PD4 > 8.1.2 T-7050 > > Or, if all else fails, can you tell me what kind of computer these would > have been used in? maybe I can find some archives on that or find one > of the computers for sale somewhere. (I'm suspecting a Compaq > lunchbox?)

27 years, 11 months

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Lisa II operating software

by Marion.Bates＠Dartmouth.EDU

>On 21 Aug 1998, Marion Bates wrote: > >**** snip **** > >> Incidentally, there is a way to de-serialize LOS diskettes using FEdit -- >> I don't know where your set of disks came from, or whether they've been >> used. (The LOS install disks have to be un-write-protected because the >> first time you install the software, the installer reads the Lisa's >> unique hardware serial number and writes it to the disk for piracy >> prevention. If you ever try to install the software on another machine, >> it won't let you.) > > >I, for one, would be interested in learning the details. > > - don > > Okay -- it's several pages of text and diagrams (screen shots, I think). If I can scan and OCR it without losing too much, I'll email it. Maybe save as low-res pics otherwise. Will do that later today... -- MB

27 years, 11 months

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What the hell is a NightHawk 5800?

by jeff.kaneko＠ifrsys.com

At 09:18 PM 8/18/98 -0500, you wrote: >At 09:26 PM 8/19/98 -0400, you wrote: >>Almost sounds like something from the government - even the name. > > Very likely. Harris does a LOT of government work. Their satellite >division (and others) are literally right around the corner from this place. > > How >>much are they asking for it? > > "Make an offer". They bought it (probably dirt cheap) by mistake and >know NOTHING about it. > > If it's not that much, it may be worth it >>just to get it and see just what the heck it actually was for... > > Maybe. It's kinda big though. About a 30" cube. Ugly too, it looks >kind of like a car that's been crushed. > > Joe >>-- You sure it's not a working model of a BORG scout ship? Nobody mentioned *who's* govenrment Harris contracted for! (Sorry for raising the noise floor, guys. Couldn't resist). :-)) Jeff

27 years, 11 months

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Lisa II operating software

by Marion.Bates＠Dartmouth.EDU

--- Don Maslin wrote: A chap that has gotten some Osborne 1 disks from me has a Lisa II. Apparently, he has some bootable application software for it, so he is able to bring it up. He mentioned that he is looking for a copy of the 'seven disk set' that was bundled with it. Can anyone help me help him? He is willing to pay reasonable costs. - don --- end of quote --- I posted a message with exactly that information last night. If you didn't get it, email me, <raoulduke(a)dartmouth.edu> and I will re-send it to you. -- MB

27 years, 11 months

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Mac Portable problems (was Re: Mac Portable batt charger)

by rcini＠email.msn.com

I'm in the process on restroing one of these now, so I've had the same problems. I think that you can substitute a PB100/140 adapter for the stock MP adapter and have it work. The MP adapter is 7.5v at 1.5a. I think that the minimum for startup is north of 2a. I also just got a replacement CP3045 hard drive, and brand new batteries. Now I need to bring it up... Rich Cini/WUGNET <nospam_rcini(a)msn.com> - ClubWin/CW7 - MCP Windows 95/Windows Networking - Preserver of "classic" computers <<<< ========== reply separator ========== >>>>>

27 years, 11 months

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looking for...SYQUEST 270

by allisonp＠world.std.com

Update: < Can anyone help me I was just given a parallel port syquest 270 < external cartridge disk. < < I don't have the install disk... well I do but it's hopelessly munged. < I need that so I can do transfer media to PC from... This part is solved, Syquest has a webpage (www.syquest.com). < More importantly I want to try and hang it on one of the CP/M systems < that happens (by my design) to have a EPP compatable port. So, I need < the gory details of how to talk to such a critter so I can write a CP/M < bios. I can pull the drive out of the parallel port case and use it with out the parallel port adaptor as it's IDE. I'd rather figure out how to talk to it using the parallel port adaptor as it seems to elude everyone. Allison

27 years, 11 months

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This Week's Haul

by ds_spenc＠alcor.concordia.ca

This'll seem insignificant to most Californians. :) I've hauled all this stuff home this week, even though I wasn't really looking for stuff (just lucky!): IBM PCjr (no power supply) Timex/Sinclair 1000 TS-1016 RAM cartridge TS-2040 Printer (no power supply) Dynalogic Hyperion VIC-1906 'Alien' game cartridge for VIC-20 'Tennis' cart for CoCo, with box and docs Carts for the Atari 2600 (yes, I know it's not a computer): Grand Prix, Gyruss, Jungle Hunt, Keystone Kapers, Mega Force, Skiing, Sky Jinks, Sorcerer, Star Wars: Return of the Jedi, Star Wars: The Empire Strikes Back, Vanguard, Zaxxon. All from the same Salvation Army store I cursed a few weeks back for tossing out all their computer junk. Well, they keep doing it, but I'll take back my curses because I understand why they'd do such heinous things. With the way stuff has been pouring in in the past couple of months, they must get innundated with this stuff! I have a feeling that if I visited every day or two, instead of every week or two, I'd be hauling away a lot more stuff. I'm still pissed off about the potential Wang monitor tossing, but these folks are clueless about what's worth keeping. Anyway, some notes about the stuff mentioned above... The Dynalogic Hyperion isn't in nearly as good shape as the last one I hauled out of the very same store. This one is _very_ yellowed, like it's been sitting directly in the sun for a few years. Which is probably why someone installed a wire mesh in front of the display. I figure it must've been an anti-glare measure, though it's still quite shiny so maybe it was just to ease the fears of a radiation-scared employee. Anyway, whoever installed the mesh cracked chunks of the case off here and there. They also neglected to replace several screws. The internal screws they left out would've been hard to put back, though, with that mesh in front of the display. Anyway, the front panel is kind of loose. At least the ports are all labeled on this Hyperion, so I'll have to revise the poor guesses (ahem) on my web page. :) Also, there aren't any knock-out panels on this one. I did notice that there are two EPROMs in the machine. I'm definitely going to have to get an EPROMmer of some sort. One of the EPROMs in this Hyperion is soldered directly to the PCB, though, which makes things difficult. (I haven't checked the other Hyperion.) This 'new' Hyperion has some 'display issues'. :) The display on the monitor isn't square, and it jumps inward and back out frequently. Something I found interesting about the Hyperion is that the cover comes off identically to that of an old Macintosh. Undo the screws under the handle, pop the rest of the case from the front face, and pull the case off. I was scared to try popping the case on the other Hyperion, but this busted up one just begged to be looked into. On to the TS-1000. Or at least, what I assume to be a TS-1000. The label is missing, as are three of its four rubber feet, and some gummy tape had been affixed to its top. Anyway, it's got "Timex Computer Corporation" printed on its underside, and it has 2K of RAM (verified with a PRINT PEEK 16389). The motherboard says "ZX81" on it. The Sinclair ZX81 was the first computer I really wanted to buy. (Note that this is VERY different from wanting to OWN - I could actually almost afford a ZX81, I definitely could NOT afford the Northstar Advantage in one of the local shopping centres ;) ). So finally getting my hands on one is pretty special. And I was even introduced to its innards right away, because the damn thing had dead keys on the keyboard. :) It just turned out to be cracked plastic contact strip thingies. I just trimmed the contacts with scissors and shoved them back into the sockets. Hopefully I won't have to do that again or I'll run out of slack. :) It's kind of neat that I can actually SEE how the keyboard is wired, without opening the keyboard. :) The big metal ground thingy on the bottom of the board also broke off at one end. Bad solder job, I guess. :) I'm just using my Atari 2600 power supply at the moment, because the ZX81 supply wasn't there. Man is this thing slow! :) Up until now the (unexpanded) TI-99/4A was my slowest, crappiest system, but the Sinclair thing beats it for that title so easily it's not funny! But it's got nostalgic value the TI will never have for me. And besides, TIs are like earwigs around here. The Salvation Army has put at least 50 in the landfill that I know about. But this is the first Sinclair machine to turn up. The RAM cartridge has a broken, wobbly connector, and bent pins, and I can't get it to work reliably. The printer doesn't have a power supply (anyone know the specs?) or the roll of toiled paper, so I don't know if it works yet. I also don't know if the PCjr works. The external transformer was missing. I got the better keyboard with the thing, too, instead of the original button keyboard. I actually have the Tech Ref for the PCjr sitting around in a box somewhere, so it'll be cool to go poking around in it as soon as I know how. I haven't tested the VIC or CoCo carts yet, but the 2600 carts all work with the exception of Jungle Hunt, which I think just has dirty contacts. It's an Atari cartridge, though, so the contacts are 'protected' and I haven't bothered to find something to stick in those slots yet. Other recent acquisitions include an IBM-PC (5150) with 64-256K motherboard (damn!), an Atari 400 with several books, magazines, and cartridges, and some cool toys for my Amigas. The collecting has been pretty good this summer. Doug Spence ds_spenc(a)alcor.concordia.ca http://alcor.concordia.ca/~ds_spenc/

27 years, 11 months

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more info on systems....

by sinasohn＠ricochet.net

At 12:47 PM 8/21/98 -0700, you wrote: >At 09:46 PM 8/20/98 -0500, you wrote: >>30 7100/66or80 PPC macs; most with 16-32 mb ram, additional vid cards, >>token ring. IIci's, about 15? with 20mb ram each. 6 Quadra 950 servers >>with typically 2 300mb scsi drives and between 25-50 mb ram. ummm... Screwed up the reply-to of course. Sorry folks! --------------------------------------------------------------------- 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, 11 months

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hey

by XdizzycowX＠aol.com

can you send me one of the computers

27 years, 11 months

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EDT editor - ports available?

by mtapley＠swri.edu

>Date: Wed, 19 Aug 1998 11:45:52 -0400 (EDT) >From: Bill/Carolyn Pechter <pechter(a)shell.monmouth.com> >> >> < Was DEC's EDT text editor ever `ported to any non-DEC platforms, such a >> < PCs or unixes? It is still my favorite text and program editor, and I' >> < love to have on on some of my "everyday" machines. >> > >I've got some hardcopy of an EDT clone for the Rainbow called >Small-EDT which isn't too bad, however -- the sources have been >hacked by me in an aborted attempt to squeeze them on to a DEC VT180. > Also try in ftp://ftp.update.uu.se/pub/rainbow/msdos/latrobe/mn/medt03.zip description is MEDT03.ZIP 93 Mini EDT screen mode editor written in C (with sources) haven't used it, so I can't comment other than it's there. - Mark

27 years, 11 months

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Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- Uncle Roger wrote: At 08:41 PM 8/20/98 EDT, you wrote: >--- Tony Duell wrote: >Do you have a working battery in the machine? IIRC, the PSU can't supply >enough current on it's own to get the machine and hard disk started up. >When the hard disk tries to spin up, the PSU shuts down, etc. Giving you >exactly what you're seeing That is true. Took me a while to figure that out. >Really? I'm charging a pair of batteries overnight. Tomorrow I'll see if >anything works with a charged battery. I thought that with the 9-volt >backup and the power adapter, that was enough juice -- Uncle Roger, is >that what you were saying earlier? Yes, that seems to work, provided you take the cover for the main battery off. Also, the 9v has to be pretty new. --- end of quote --- Yeah, I pulled the main battery cover and it was definitely drawing on the backup 9V, but maybe it's too low. That dual-battery thing scared the bejesus out of me the first time I tinkered with a Portable -- I'm staring at the power adapter, unplugged, with the main battery in my hand, and the bloody machine's still humming and chiming, seemingly getting power from _nowhere_. I thought there was a ghost. ;) Thanks to everyone for the advice. -- MB

27 years, 11 months

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more info on systems....

by roblwill＠usaor.net

How much for the monitors? -- -Jason (roblwill(a)usaor.net) ICQ#-1730318 ---------- > From: Poesie <poesie(a)geocities.com> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: more info on systems.... > Date: Thursday, August 20, 1998 10:46 PM > > well, I found out none of the NEC versa laptops are for sale; > apparently some VP is holding onto them for some reason. We have maybe > 30 7100/66or80 PPC macs; most with 16-32 mb ram, additional vid cards, > token ring. IIci's, about 15? with 20mb ram each. 6 Quadra 950 servers > with typically 2 300mb scsi drives and between 25-50 mb ram. ummm... > maybe 50? or more DuoDocks, both the Duo 230 or 280, and the Dock. don't > know the possibility status of selling these. several sony video > monitors that are touch screens, accept various inputs, came with weird > computerized videodisc systems. >

27 years, 11 months

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looking for...SYQUEST 270

by allisonp＠world.std.com

Can anyone help me I was just given a parallel port syquest 270 external cartridge disk. I don't have the install disk... well I do but it's hopelessly munged. I need that so I can do transfer media to PC from... More importantly I want to try and hang it on one of the CP/M systems that happens (by my design) to have a EPP compatable port. So, I need the gory details of how to talk to such a critter so I can write a CP/M bios. And you thought it's all non classic! Graft new technology to old and keep it crankin. Allison

27 years, 11 months

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Mac Portable problems (was Re: Mac Portable batt charger)

by sinasohn＠ricochet.net

At 08:41 PM 8/20/98 EDT, you wrote: >--- Tony Duell wrote: >Do you have a working battery in the machine? IIRC, the PSU can't supply >enough current on it's own to get the machine and hard disk started up. >When the hard disk tries to spin up, the PSU shuts down, etc. Giving you >exactly what you're seeing That is true. Took me a while to figure that out. >Really? I'm charging a pair of batteries overnight. Tomorrow I'll see if >anything works with a charged battery. I thought that with the 9-volt >backup and the power adapter, that was enough juice -- Uncle Roger, is >that what you were saying earlier? Yes, that seems to work, provided you take the cover for the main battery off. Also, the 9v has to be pretty new. --------------------------------------------------------------------- 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, 11 months

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Minor Tektronix success story.

by Philip.Belben＠powertech.co.uk

>>Could someone please enlighten me... What, pray, is FLEX? > > For years, it was *THE* disk operating system if you had a 6800/6802 > based system. Originally written in the late 70's, it powered the > majority of the SS-50 computers until the 6809 came out. Then came > FLEX/09, StarDOS, UniFLEX, OS/9. . . . Thanks. I wonder why I'd never heard of it. > It was a bit limited, but it was small enough to fit within the 6800's 64K > address space, with *plenty* of room to spare! The 4052 has a 128K address space - separate 64k spaces for code and data. That said, there are ways of running code in the data space and accessing data in the code space. > Well, yeah, but still faster then 1Mc (or 800kc if you didn't modify > the cpu board). Yes, much. >>I must do some more research into the relationship between 4052 and 6800 >>instruction sets. > > Yes. How the implemented the microcode would be of particular interest. The service manuals tell you a lot about how the microcode is executed, but little about what's in there. Similarly there is a list of instruction mnemonics and addressing modes against opcodes, and even an explanation of how the addressing modes work, but nothing to tell you what the instructions do, let alone anything in the way of ROM listings. One day I might get around to decompiling the microcode... Philip.

27 years, 11 months

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Emulators

by rax＠warbaby.com

All the emu stuff you'll ever need: http://www.classicgaming.com/emunews/computer.htm R. -- Warbaby The WebSite. The Domain. The Empire. http://www.warbaby.com The MonkeyPool WebSite Content Development http://www.monkeypool.com Dreadlocks on white boys give me the willies.

27 years, 11 months

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more info on systems....

by sinasohn＠ricochet.net

At 09:46 PM 8/20/98 -0500, you wrote: >30 7100/66or80 PPC macs; most with 16-32 mb ram, additional vid cards, >token ring. IIci's, about 15? with 20mb ram each. 6 Quadra 950 servers >with typically 2 300mb scsi drives and between 25-50 mb ram. ummm... I'd like to offer, on behalf of Garden Village Elementary School, $750 for the 30 PPC 7100's as one lot. In addition, I'll offer an addition $150 for the Quadra's. This is a serious offer. I can forward the funds via check, money order, cash, or I can just add it to my next mortgage payment. (Just kidding!) Feel free to call me at 1-415-469-7924 or page me at either 1-415-201-0273 or <4152010273(a)alphapage.airtouch.com> (just the message body gets sent; about the first 256 chars.) >maybe 50? or more DuoDocks, both the Duo 230 or 280, and the Dock. don't >know the possibility status of selling these. several sony video If you want to sell these, I would be interested in quite a few as well. (Probably one for each teacher.) >-Eric Thanks, Eric for all your effort in this! --------------------------------------------------------------------- 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, 11 months

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Mac Portable problems (was Re: Mac Portable batt charger)

by roblwill＠usaor.net

It plays death chimes?? -- -Jason (roblwill(a)usaor.net) ICQ#-1730318 PS>> do you maybe want to sell one of those? ---------- > From: Marion Bates <Marion.Bates(a)Dartmouth.EDU> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: Mac Portable problems (was Re: Mac Portable batt charger) > Date: Thursday, August 20, 1998 2:56 PM > I've got three semi-functional Portables, and am hoping to wind up with at least one that works. But they all seem to have bad hard disks (Apple 40SC internal) -- if the drive is connected at power-up, it makes a tick-tick-tick noise, the screen flashes, and it repeatedly plays interrupted Death Chimes until I turn it off. The drive never actually spins up.

27 years, 11 months

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Macs, IBM systems, roms, etc etc...

by poesie＠geocities.com

Ok, after a few more days of scoping things out, here's the deal: I started working for GE Capital, at Blue Cross/Blue Shield of Minnesota. They are disposing of alot of the mac systems, and I figured that I would be able to pull the ROM's out of the old ones that I knew were never going to be used again, ever. (Just so you know, I would probably lose my job due to that but it's a shame to let such things go to waste. If someone reading this is from my new employers, I haven't done anything!!!!!) Anyway, one of my bosses, the asset manager, is actively trying to dispose of pallets of stuff. So if someone out there can actually buy quite a bit, that might be nice... apparently last year he made 300 bucks selling all systems to scrap dealers that melted it all for the metal content. bummer.) We have lots of old IBM mainframe systems, Quads, CRTs, etc etc. also, a good lot of those macs were all used by the Graphic Design dept; so they are chock full of cool stuff (tons of ram, souped up video cards, yadda yadda.) lots of hard drives, all have token ring cards. (I reiterate: LOTS of token ring cards. I'm swimming in them.) I currently have a large pallet of mac 14/15 inch monitors; a pallet of IIsi, IIci, IIcx's; Quadra 700s, Quadra 950 servers(awesome machines), PowerPC 7100/66, 7100/80's. also other random ones. also, *several* pallets of Duo Dock 230's and 280's. tons of NEC versa V/50's and 4000c's. quite a few 21 inch mac color monitors (definitely not for sale, unless you made an attractive offer to my boss!) alot of this stuff is earmarked for employee sales, but alot of it is also headed for disposal. If anyone is truly interested, I will print out and give serious inquiries to my boss. emailing the head of a large national corporation won't do much, but I can give your requests to the right person. in Minneapolis, Minnesota. -Eric (PS. - I only offered to grab roms or small chip components because they wouldn't be used where the machines were headed, and they wouldn't be missed. I cannot personally recover systems or anything of that nature. I am sure however that my boss would be very reasonable if you made an offer!) PPS- we also have several sony trinitron touch screens. anyone know of a use for these?

27 years, 11 months

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Mathatron & other stuff

by rigdonj＠intellistar.net

At 05:41 PM 8/19/98 -0500, you wrote: > >> Another "crossover" machine that I have a little info >> (mainly pictures) of is the HP 9830, called a calculator >> but in fact a computer with BASIC. > >The 9830 doesn't get discussed much, but it's one of my favorites. >There's a lot of noise on this list about the Altair, a "PC" from 1975 >that was just a big box with lights and toggles. In 1972, the HP 9830 was >an elegant light-weight Light-weight!!!!!!!!!! I have both an Altair and a 9830 and the 9830 is at least three times as heavy as the Altair! It's also probably 5 times stronger. I have used my 9830 as a step stool (after it died of other causes). I wouldn't even think of doing that with the Altair. desktop computer with full alphanumeric keyboard, >built-in secondary storage, built-in display, One line LED. Whoppee! built-in BASIC, Yes, and ONLY BASIC! The Altair was a general purpose machine. and it just >plain works. There was nothing else remotely like it at the time, and it >was even reasonably priced (around $5000, I think). That's what, 12 times the price of the Altair? The two machines aren't comparable. They're completely different. Have you ever tried to generate music or word process on a 9830? You can't do it. You could on an Altair. The 9830 is a sophisticated programmable calcualtor. The Altair is a striped down general purpose computer. Joe > >-- Doug > > >

27 years, 11 months

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IBM System 32 stuff...

by Joel＠VirtualAdmin.com

They're in a warehouse and the way they're shelved I couldn't see any model #s. The guy told me they were hooked up to a 32, and they look like 32/34 gear. I could probably get some part#s tomorrow, but I think they'd be happier if someone just took the whole mess. -----Original Message----- From: William Donzelli [mailto:william@ans.net] Sent: Friday, August 21, 1998 12:51 PM To: Discussion re-collecting of classic computers Subject: RE: IBM System 32 stuff... > Oh yeah... my profuse apologies... I'm in Maryland, > the marina is in Virginia near DC. Cool. Any chance you could get some of the type numbers from the things (they may follow the x32x format, like 5230 for the CPU)? William Donzelli william(a)ans.net

27 years, 11 months

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IBM System 32 stuff...

by Joel＠VirtualAdmin.com

Oh yeah... my profuse apologies... I'm in Maryland, the marina is in Virginia near DC. -----Original Message----- From: William Donzelli [mailto:william@ans.net] Sent: Friday, August 21, 1998 12:38 PM To: Discussion re-collecting of classic computers Subject: Re: IBM System 32 stuff... > There are some system 32 terminals, keyboards, and printers available at > a marina out here. They haven't been used as boat anchors, yet. I'll > be going > back to the marina to pickup a boat tomorrow, so if you're interested > let me know. Where is "here"? William Donzelli william(a)ans.net

27 years, 11 months

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IBM System 32 stuff...

by Joel＠VirtualAdmin.com

Hey folks, There are some system 32 terminals, keyboards, and printers available at a marina out here. They haven't been used as boat anchors, yet. I'll be going back to the marina to pickup a boat tomorrow, so if you're interested let me know. -Joel

27 years, 11 months

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more info on systems....

by Anthony.Dellett＠Staples.com

Okay, I finally figgered I could use two Duo 280s with docks. Tony > -----Original Message----- > From: Poesie [mailto:poesie@geocities.com] > Sent: Thursday, August 20, 1998 10:46 PM > To: Discussion re-collecting of classic computers > Subject: more info on systems.... > > > well, I found out none of the NEC versa laptops are for sale; > apparently some VP is holding onto them for some reason. We have maybe > 30 7100/66or80 PPC macs; most with 16-32 mb ram, additional vid cards, > token ring. IIci's, about 15? with 20mb ram each. 6 Quadra 950 servers > with typically 2 300mb scsi drives and between 25-50 mb ram. ummm... > maybe 50? or more DuoDocks, both the Duo 230 or 280, and the > Dock. don't > know the possibility status of selling these. several sony video > monitors that are touch screens, accept various inputs, came > with weird > computerized videodisc systems. > > we used to sell these things as scrap, and paid! them > to take them, and > then got rebates for 10cents a pound, or sometimes we ended up owing > them. He is actively looking for vendors to buy, so we could probably > make an offer for pallet(s) since I'm the only one doing any work with > them. I will also do the legwork in my spare time, for this. > > However, someone else should be the point man, so to > speak... I can't > really get involved. I've tried, believe me. I'll try to do some more > inventory type stuff... But there's alot. Also a whole room > full of an > IBM 3480? mainframeish type of thing, with disk boxes etc. > looks like a > room full of washing machines... > > -Eric >

27 years, 11 months

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more info on systems....

by Philip.Belben＠powertech.co.uk

Eric wrote: > However, someone else should be the point man, so to speak... I can't > really get involved. I've tried, believe me. I'll try to do some more > inventory type stuff... But there's alot. Also a whole room full of an > IBM 3480? mainframeish type of thing, with disk boxes etc. looks like > a room full of washing machines... Sounds like a complete IBM 4381 installation (the 4381 was known as the Chest Freezer when I was there in '86) If I (a) had space and (b) was on the same side of the Atlantic, I'd grab it. Definitely not to be missed. Philip.

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Mathatron, 9100, 9830, etc.

by Philip.Belben＠powertech.co.uk

Kevan Heydon wrote: > On Thu, 20 Aug 1998, Alex Knight wrote: >> >> So far, I haven't either. The Anita and Friden EC-130 electronic >> calculators both came out in 1963, they're generally regarded as >> the first two electronic desktop calculators but neither are > > I reckon that the original Anita was 1962. The reason I say this is > because my mother used to be a comptometer operator for the national What date was the Casio AL 1000, anyone? Tony? Philip.

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Seagate drive search over in record time.

by rhblake＠bbtel.com

Thanks to everyone that responded. I have more than I needed as I found them for $10 each at Computer Recyclers and a few others from private parties. I no longer need any more, unless of course you just have to give them away ;-) -------------------------------------------------------------------- Russ Blakeman RB Custom Services / Rt. 1 Box 62E / Harned, KY USA 40144 Phone: (502) 756-1749 Data/Fax:(502) 756-6991 Email: rhblake(a)bbtel.com or rhblake(a)bigfoot.com Website: http://members.tripod.com/~RHBLAKE/ ICQ UIN #1714857 AOL Instant Messenger "RHBLAKEMAN" * Parts/Service/Upgrades and more for MOST Computers* --------------------------------------------------------------------

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Laser 3000

by Marion.Bates＠Dartmouth.EDU

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car computers

by rigdonj＠intellistar.net

At 02:07 AM 8/17/98 -0400, you wrote: > > >On Sun, 16 Aug 1998, Joe wrote: > >> sing. You should hear two of those on a 426 Hemi at WOT! >> >Big old engines, big old computers...the appeal is pretty similar...What's >the Hemi in? A 1970 Superbird what else! Big engine, big car, NO computers! I also have a '70 Dodge Challenger RT convertible with a 440 6 pak. :-) These are the remains of my car collecting days. > >> And if you tweak the engine for more efficiency, >> >many of them automatically compensate -- no need to swap out jets and >> >other mechanical parts by trial end error. >> >> Yes but I can still swap a jet faster than I can burn an EPROM! The big >> advantage of the EFI is that it's more precise than a carburator, can >> monitor and adjust for more conditions and employs feed back sensors for >> even more precise control. >> >Don't forget the most important thing, you can REALLY control the spark >curve :) Yes and the transmission shift points in some cars. > >> Another motor-head! >> > >And one more. They're everywhere! Joe > >rob > >

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Taking care of magazines

by sethm＠loomcom.com

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Mathatron, 9100, 9830, etc.

by aknight＠mindspring.com

Hi, I'm combining several responses here on early programmable calcs ... At Wed, 19 Aug 1998 17:41:17 Doug Yowza wrote: >Hi, Alex. I really think this is the coolest find yet. I have a desktop >programmable computer from 1959, but mine is analog. I haven't heard of >any desktop programmable solid-state digital machine that predates your >Mathatron. So far, I haven't either. The Anita and Friden EC-130 electronic calculators both came out in 1963, they're generally regarded as the first two electronic desktop calculators but neither are programmable. I'm not aware of any other programmable calculator coming onto the market until the Wang units. > >> Another "crossover" machine that I have a little info >> (mainly pictures) of is the HP 9830, called a calculator >> but in fact a computer with BASIC. > >The 9830 doesn't get discussed much, but it's one of my favorites. >There's a lot of noise on this list about the Altair, a "PC" from 1975 >that was just a big box with lights and toggles. In 1972, the HP 9830 was >an elegant light-weight desktop computer with full alphanumeric keyboard, >built-in secondary storage, built-in display, built-in BASIC, and it just >plain works. There was nothing else remotely like it at the time, and it >was even reasonably priced (around $5000, I think). In addition to the pictures I have on my Web site, David Hicks' Museum of HP Calculators has a bunch more info on the 9830 and the available peripherals (including things like printer, plotter, paper tape reader, digitizer, etc.). I was surprised when I got my 9830A and it had aftermarket ROM and memory cards in it. The ROM is a "Fast Basic" card and it and the memory were made by Infotek. The 9830 has a bus architecture for it's main ROM and memory cards, and it has an I/O bus on the rear. I don't know if HP ever published the specs for these buses, perhaps Infotek reverse- engineered the timing/functionality to make their cards. Also curious about the Infotek cards was that the markings on all the ICs on their cards had been intentionally rubbed off. I wonder if that was to make it harder for others to clone their design. At any rate, it predated the Apple II by about 5 years, it has built-in BASIC and storage, and you could add stuff to it. What more could you ask ;-) The darned things are built like a tank, too. Extremely heavy and rugged. There is also a 9830B version, but from what I can tell by comparing the guts they are the same except for the memory cards (the 9830B supports more RAM). It looks like the Infotek memory card in my 9830A was used to upgrade it to the same amount as would be in a maxed-out 9830B (16K, I'm not sure if this is words or bytes). > >-- Doug At Wed, 19 Aug 1998 19:12:22 dave dameron wrote: >At 05:41 PM 8/19/98 -0500, Doug wrote: >I found a book I would recommend if anyone finds a copy, although I am still >getting used to it. It is "Computer Structures: Readings and Examples" by >Bell and Newell. It uses strange notation (for me) and even the table of >contents is "virtual". > >Anyway, it includes descriptions of 2 desktop calculators, both about 1968: >an Olivetti 101 (USD$3500) and a HP 9100A. The HP uses core memory, its >program ROM uses 16 layer PC board technology. The HP article is a reprint >from the HP Journal. Does anyone have either of these? Text (and some/most of the photos) from the HP Journal articles about the 9100A (and a lot of other HP calcs) can be found on the Museum of HP Calculators in the "HP Journal Articles" section. These make for very interesting reading about the machine's architecture and how it works. I have a copy of the original patent on the 9100 (unfortunately the quality isn't good enough to scan and I haven't found an on-line source yet), this gives some real insight into how the machine operates. The Olivetti Programma 101 was apparently targeted more for the business market than the scientific market, the pictures of it that I've seen show that it's basically a programmable, four-function calculator with several memory registers. Like the 9100, it used a magnetic card to store programs. >-Dave > At 12:38 AM 8/20/98 -0500, Doug Yowza wrote: > >Somebody with a better sense of calc history should chime in here, but I >think Monroe, Olivetti, HP, and Wang all had programmables in the 60s. As far as I know, the Mathatron, HP9100, and Wang calculators were the only scientific-oriented programmable machines available during the 1960s. I don't know if the Wang LOCI series was programmable or not. The 300-series (300, 310, 320, 360) Wang machines used a separate keyboard/nixie display unit and an electronics box with the actual calculator (on some of the models four keyboard/ display units could be attached to "time-share" the calculator electronics). The electronics box itself wasn't programmable, but one of the keyboard/display models (I think it was the 370) could be programmed to execute a series of key sequences, which were then sent down to the electronics box to do the math. In the early 70s (late 1970 or early 1971), CompuCorp developed a pair of programmable calculators (one printing, one Nixie) that were marketed by Monroe (the Model 1655 is the Nixie one) and Dietzgen. Rick Bensene's Web page has a lot more info about the Wang 300 series calculators. In the 60s, there were business-type programmable machines from Monroe (EPIC 3000), Olivetti (Programma 101), Smith Corona Marchant (Cogito 516 PR), and Canon (Canola 164P). There is also the Burroughs C3660 business programmable, but I don't know if it's a 60s machine or not, and Sony made a programmable Sobax but I'm not sure when. All of these machines were very large and were probably either transistorized or used early Small-Scale integrated circuits. > >I have an HP9100A manual and the first HP _Keyboard_ that describes it. I >think I recall at least four people on the list having a 9100. It was not >the first programmable, but it was the first HP, and it is pretty cool >with its built-in CRT and expansion bus. Apparently there were also aftermarket accessories made for the 9100 by other companies. I recall seeing something on the net from one company that took a 9100 and modified it to become an instrument controller. >-- Doug At Thu, 20 Aug 1998 07:33:46 dave dameron wrote: >Yes, that's it. My copy was published in 1971, so the HP9100A is one of the >later computers in it. Yes it is neat with the custom CRT and all the boards >stuffed into its case. I guess it sold for about $6000. The 9100A initially sold for $4995. Its price was dropped to $4495 when the 9100B (with 2x the memory) was introduced (at $4995) a little while later. Hope this info. has been of some interest. REFERENCED LINKS: http://www.hpmuseum.org -- David Hicks' Museum of HP Calculators http://www.geocities.com/SiliconValley/Lab/7510 -- Rick Bensene's Web Page Regards, Alex Calculator History & Technology Archive Web Page http://aknight.home.mindspring.com/calc.htm

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Mathatron & other stuff

by rigdonj＠intellistar.net

At 12:38 AM 8/20/98 -0500, you wrote: >On Wed, 19 Aug 1998, dave dameron wrote: > >> I found a book I would recommend if anyone finds a copy, although I am still >> getting used to it. It is "Computer Structures: Readings and Examples" by >> Bell and Newell. It uses strange notation (for me) and even the table of >> contents is "virtual". > >That wouldn't be Gordon Bell, would it? The book sounds familiar, but >it's not on my shelf. > >> Anyway, it includes descriptions of 2 desktop calculators, both about 1968: >> an Olivetti 101 (USD$3500) and a HP 9100A. The HP uses core memory, its >> program ROM uses 16 layer PC board technology. The HP article is a reprint >> from the HP Journal. Does anyone have either of these? > >Somebody with a better sense of calc history should chime in here, but I >think Monroe, Olivetti, HP, and Wang all had programmables in the 60s. > >I have an HP9100A manual and the first HP _Keyboard_ that describes it. I >think I recall at least four people on the list having a 9100. It was not >the first programmable, but it was the first HP, and it is pretty cool >with its built-in CRT and expansion bus. > I have a HP 9100 and the original HP Journal. You can order reprints (color, I think) of the HP Journals through HP's website. Joe

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Update on Mac Run

by SUPRDAVE＠aol.com

well, if people are putting in requests for various mac models that are getting ready to be scrapped, i wouldnt mind having an se/30 or colour classic. a IIfx wouldnt be bad except for the fact that it can only use special simms.

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Punch cards (again)

by peacock＠simconv.com

>She said that they were invented by Hollerith at the end of the last century for use with the census. Was I drunk or did we just go through a whole discussion about the cards being invented for the Jacquard loom? Different types of punched cards. Hollerith invented the modern computer punch card. The Jacquard loom used punched cards in a linked belt type arrangement, similar to a player piano, to control the shuttle of his loom. Jacquard had more in common with pianos than computers. Jack Peacock

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FW: Old VAX hardware for sale

by cfandt＠servtech.com

FWIW Dept: Found this in comp.os.vms.... You Southwest folks may be interested. If they were close I sure would consider them as I'd like to find a Qbus SCSI controller (or simply use the machine as is instead of upgrading my MVII.) From: mesprime(a)aol.com (MES PRIME) Newsgroups: comp.os.vms Subject: Old VAX hardware for sale Lines: 24 Message-ID: <1998081415580800.LAA06833(a)ladder01.news.aol.com> NNTP-Posting-Host: ladder01.news.aol.com X-Admin: news(a)aol.com Date: 14 Aug 1998 15:58:08 GMT Organization: AOL http://www.aol.com Xref: post.servtech.com comp.os.vms:190118 We have just retired our old VAXs and are looking for a nice home for them. We have two systems: System 1is a Micro Vax 4 with 128M ram, expansion bus, Q-Bus, CMD and UC08 SCSI Controllers, Emulex communication multiplexor boards and CP34 Panels, Drive bay and 19' Rack and DR11-C interface. System 2 is a Micro Vax 3 with 64M ram, exapnsion bus, Q-Bus, Emulex UCO8 SCSI Controllers, Emulex communication muliplexor board and CP34 Panels. Also available ( serious ) a couple of working Deckwriter's If intersted, e-mail me for more information: mslaughter(a)basstickets.net ------------------------------------------------------------------------- Michael Slaughter IS Manager BASS Tickets 1855 Gateway Blvd. Suite 630 Concord, CA 94520 Anyway, contact Mr. Slaughter directly! -- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

27 years, 11 months

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Someone Looking for Help

by rax＠warbaby.com

Is this iron old enough that someone here could help Vicki? To: silent-tristero(a)world.std.com From: Vicki Rosenzweig <vr(a)zebra.acm.org> Date: Thu, 20 Aug 1998 17:01:18 -0400 (EDT) Subject: help--trailing edge equipment Sender: silent-tristero-approval(a)world.std.com Precedence: list Reply-To: Vicki Rosenzweig <vr(a)zebra.acm.org> Status: U I'm not sure this is relevant to tristero, but I can't think of who else to ask. I have a network of three Sun Sparc IPXs, plus an Annex II terminal server and a bunch of dumb terminals hanging off the Annex. Xylogics, the company that made the Annex, is no longer supporting that model, at all--the last time I tried calling them about something, the only suggestion they were willing to make was "we could sell you something more modern." It may come to that, but I hope not. Here's the situation: for Reasons Too Complicated To Explain (in other words, I'd start frothing at the mouth), the cables that connect the Annex to its dumb terminals and to the Ethernet are in the open, under a desk. Thus, they get kicked semi-regularly. Someone kicked the cable connecting the Annex to the Ethernet transceiver loose this afternoon. The first I knew of it was when someone came to find me, and asked why all the terminals were dead. When I tried to plug it back in, I found I couldn't--a couple of the pins on the transceiver had been bent out of shape. I replaced the transceiver (with one of a different model, but which I know is good--it worked elsewhere in this network). Nothing. I rebooted the Annex: it gets as far as a set of lights that translate to "trying to reach the Ethernet to download software." I got desperate, pulled the only other cable of the same kind off the network (which involved undoing about eight NFS cross-mounts), and plugged it in instead. Nothing. So, basically: I tried replacing the transceiver, I tried replacing the cable, and the Annex box insists that it's fine, it just needs to download software. Does anyone have any idea of what might be going on here, or of how I can fix it? (I do know where to buy a live chicken, but I suspect management would look askance if I brought it into the office.) Signed, Desperate in New York Vicki Rosenzweig vr(a)cr.acm.org | vr(a)interport.net http://www.users.interport.net/~vr/ -- Warbaby The WebSite. The Domain. The Empire. http://www.warbaby.com The MonkeyPool WebSite Content Development http://www.monkeypool.com Dreadlocks on white boys give me the willies.

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In search of working XT IDE drives

by rhblake＠bbtel.com

I need a couple Seagate ST351A/X hard drives in working condition. If you have some for sale, trade or otherwise let me know soon. Any other IDE drive that will definitely work with a Seagate ST05X controller also wanted in 40 or more megabyte capacity. -------------------------------------------------------------------- Russ Blakeman RB Custom Services / Rt. 1 Box 62E / Harned, KY USA 40144 Phone: (502) 756-1749 Data/Fax:(502) 756-6991 Email: rhblake(a)bbtel.com or rhblake(a)bigfoot.com Website: http://members.tripod.com/~RHBLAKE/ ICQ UIN #1714857 AOL Instant Messenger "RHBLAKEMAN" * Parts/Service/Upgrades and more for MOST Computers* --------------------------------------------------------------------

27 years, 11 months

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Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- Markus Blumrich wrote: My portable powers up without the battery inside it as well. I'm assuming by your email address "dartmouth.edu" that you are in Nova Scotia? (If not - pardon my ignorance). If so these machines have probably been subjected to some cold weather. I have lost 2 Mac Portable hard drives to cold weather - I'd put them in the trunk of my car, travel to location X and then fire up the Mac only to learn that the drive didn't work anymore. This was most likely due to condensation inside the drives. ---- Actually, it's Dartmouth College (NH) but I'm telnetting in from Miami, FL because I'm home for the summer. As far as I know, these drives haven't seen cold weather, but it's certainly possible. ---- If I read your post correctly the drives aren't spinning up at all, but they emit noises which make it sound as if they are trying to - in this case they are most likely stuck. I have convinced old hard drives to become 'unstuck' by whacking them on the side. I know it sounds cruel but if the drive isn't working there is nothing to loose. ---- Yeah, I tried that -- it's worked many times before, but not now. (The technician I worked for six years ago used to fix Mac SE's with sticky hard drives by picking up the whole computer and giving it a quick half-spin with a sudden stop -- the torque loosens the lubricant.) ---- Also, when the death chimes sound, is there a picture of a sad mac on the screen with an error number? The error number (if I remember correctly) may be a key indication as to what is happening. If your mac is repeatedly sounding the death chimes it is in some kind of endless loop and you are most likely not getting to the error #. ---- When I let it go long enough, I get a sad mac with error codes which I haven't looked up in the TIL yet. They all translate to some hardware (occasionally software) problem diagnosis. ---- I have also opened the drives and lubricated the 'spindle' or whatever it's called - however doing so allowed dust particles inside the drive. The end result though was a reliable, non sticking drive that works to this day. Perhaps I was lucky... --- end of quote --- Huh, I always thought that opening up a drive would wreck it -- maybe I'll try that with one of them. Thanks. But wait, there's more! New problem. I have an external hard drive attached to the least messed-up Portable, which boots nicely, but anytime I insert a floppy disk, the machine restarts over and over. What triggers it is pushing the tiny white button just inside the floppy (it gets pressed by the disk usually, but I was trying to see what exactly was setting the restart loop in motion, and when I pushed down on that button alone that did it). It WAS working fine with floppies before. Guess the logic board is having problems handling both at once. Aaargh! Three bad drives and now *two* fouled-up motherboards. -- MB

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Update on Mac Run

by jrkeys＠concentric.net

So far I have heard from 12 people wanting a total 35 cpu's and 4 monitors. I would have liked to make them a offer this Friday but this is not enough units to purchase it all. This what I will do now, I will connact a scrape dealer I know and offer to buy it all with him only if he allows me to pull the units you guys want first and he gets what's left. This way we all can get our units at a low price with a bulk purchase by the pound. I have not heard back from Eric if his boss is willing sell and the date of the employee sale. I will until Monday to see how many more people want in otherwise the 12 of you will get your items if the sale is a go.

27 years, 11 months

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Punch cards (again)

by sinasohn＠ricochet.net

I was watching a local show called New Media News (http://www.newmedianews.com/) last night and they had a bit with Gwen Bell talking about punch cards. She said that they were invented by Hollerith at the end of the last century for use with the census. Was I drunk or did we just go through a whole discussion about the cards being invented for the Jacquard loom? --------------------------------------------------------------------- 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, 11 months

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here's a Lisa/Apple /// resource

by Marion.Bates＠Dartmouth.EDU

I'm posting some info I already sent to someone privately. I wanted to get permission from Mr. Craig first, in case he was trying to keep the volume of requests down or something. My apologies for wasted bandwidth if y'all already knew about him -- just trying to help. - MB --- awhile ago, Sam Ismail wrote: Ok, so I'd like to make use of the recent discussion we had concerning hard drive repair and attack the "widget" drive in my Lisa 2/10 to see if I can bring it back to life. Does anybody know where I can find technical info on this drive? A web resource that I don't know about perhaps? --- end of quote --- David T. Craig, email 71533.606(a)compuserve.com, has just about EVERYTHING ever written about/for the Lisa. (Even the Product Introduction Plan!) There's a list of his stuff at http://www.atomicnet.com.au/simon/lisa/LisaLegacy/References.html. While you're there, check out his Lisa Legacy paper. He sent me copies of Lisa repair stuff from Apple, Sun Remarketing, and Larry Pina's "Mac Repair Secrets" book, as well as some historical info and a set of Lisa Office System 3.0 diskettes and LisaTest diagnostic diskettes w/ instructions. He copied the written stuff for ten cents a page and the diskettes for a buck apiece, plus shipping. He also has some stuff for the Apple ///, but I don't know what. Email him for info. If anyone wants Lisa help right away, I can look up error codes and other stuff in the manuals he sent me, and email an answer usually within a day. My 2/10 displayed error 84, which means the boot blocks had been erased, but luckily LisaTest reported no damaged blocks, so all it needs is a low-level format. Sun Remarketing will reformat Widget drives and send them back (which is, according to the manuals, your only hope if LOS installer refuses to do it, as was the case with mine). It costs $75 to have them do it, which includes return shipping. They will install the OS of your choice (LOS or MacWorks, maybe Pascal Workshop but I don't know for sure). Sun Remarketing's phone number is 1-800-821-3221. If you get someone who's never heard of the Lisa or some such nonsense (which happened to me the first time) ask for Brian, ext. 340. He seems to know what's up. -- MB

27 years, 11 months

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Mac Portable batt charger

by Marion.Bates＠Dartmouth.EDU

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Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- Tony Duell wrote: Do you have a working battery in the machine? IIRC, the PSU can't supply enough current on it's own to get the machine and hard disk started up. When the hard disk tries to spin up, the PSU shuts down, etc. Giving you exactly what you're seeing -tony --- end of quote --- Really? I'm charging a pair of batteries overnight. Tomorrow I'll see if anything works with a charged battery. I thought that with the 9-volt backup and the power adapter, that was enough juice -- Uncle Roger, is that what you were saying earlier? Thank you very much! -- MB

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Mac Portable problems (was Re: Mac Portable batt charger)

by Marion.Bates＠Dartmouth.EDU

--- George Currie wrote: Actually it should power up with the 9v and the power supply. If you have a fresh 9v battery and have the unit plugged in and it still won't come up, then the problem could still be with the drive. Have you tried removing it and seeing if the unit boots? Also, have you tried pressing both the reset and nmi buttons on the side to reset it? --- end of quote --- Yes, it's been powering up with just the AC adapter and 9-volt battery, and it boots fine with the hard drive cable disconnected (it's happy booting from a floppy). I'm pretty sure I tried pressing the side buttons in all sorts of combinations -- what specifically are you describing? Just press them and let go, or hold them down while powering on, etc. ? Thanks for the suggestions. -- MB

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Minor Tektronix success story.

by Philip.Belben＠powertech.co.uk

Jeff wrote: > Yow!!! That means maybe it will run FLEX! [insert Homer Simpson > impersonation] Could someone please enlighten me... What, pray, is FLEX? > Woo Hoo!. Dang! I can just imagine running FLEX at 25Mc! Its performance > over a 1Mc 6800 must have been blistering! Warning. Clock speeds may not be comparable. 6800 and friends (including 6502) often do more per cycle than 2901s. That said, the 4052 is a 16 bit system, despite its 8-bit instruction set. The data path is 16 bit throughout, it fetches two byte instructions in a single memory cycle, etc. And Tek do claim some quite impressive performance boosts upgrading from 4051 to 4052 (average gain they claimed was ten times, I think) > Yikes!! I think I may have seen some boards from a system like that one > in a junk heap last week! It used four 2901's eh? Hm, I'm gonna haveto > revisit that particular junque pile . . . Bear in mind Tony Duell's comments - 16 bit systems based around 4 2901s used to be common, but may now be worth grabbing anyway. I must do some more research into the relationship between 4052 and 6800 instruction sets. P.

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Macs, IBM systems, roms, etc etc...

by fauradon＠pclink.com

Hi John, I would love to join you in that effort. I am also interested in acquiring on of each unit. Maybe we can poll our resources and make a few people happy in the process. Anyway, Eric if you can find out the actual cost per palette that would be a great indicator of the fund needed. Thank you for flagging this one. Francois ------------------------------------------------------------- Visit the desperately in need of update Sanctuary at: http://www.pclink.com/fauradon -----Original Message----- From: John R. Keys Jr. <jrkeys(a)concentric.net> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Wednesday, August 19, 1998 10:13 PM Subject: Re: Macs, IBM systems, roms, etc etc... >I'm right here in the Twincities also and would like to purchase some of >the machines. Here's my offer to those on the list that want some of these >items in one's and two's e-mail your list and the price you want to pay for >each item and I will make them a offer for all of it. You have only pay me >the shipping cost plus the item cost. If I get it all cheap enough them I >will divide the number of units into the price I pay and charge the lower >price per unit. Say I get 100 items at $300 that means the cost per item >would be $3. I do not need it all I also just want one of each type of unit >for my collection that I do not already have. Let me know as soon as >possible before it's all gone. Thanks Eric for the tip and I will get back >to my Friday with some type of offer based me being able maybe see some of >these units. >At 09:09 PM 8/19/98 -0500, you wrote: >>Ok, after a few more days of scoping things out, here's the deal: I >>started working for GE Capital, at Blue Cross/Blue Shield of Minnesota. >>They are disposing of alot of the mac systems, and I figured that I >>would be able to pull the ROM's out of the old ones that I knew were >>never going to be used again, ever. (Just so you know, I would probably >>lose my job due to that but it's a shame to let such things go to waste. >>If someone reading this is from my new employers, I haven't done >>anything!!!!!) >> >> Anyway, one of my bosses, the asset manager, is actively trying to >>dispose of pallets of stuff. So if someone out there can actually buy >>quite a bit, that might be nice... apparently last year he made 300 >>bucks selling all systems to scrap dealers that melted it all for the >>metal content. bummer.) >> >> We have lots of old IBM mainframe systems, Quads, CRTs, etc etc. also, >>a good lot of those macs were all used by the Graphic Design dept; so >>they are chock full of cool stuff (tons of ram, souped up video cards, >>yadda yadda.) lots of hard drives, all have token ring cards. (I >>reiterate: LOTS of token ring cards. I'm swimming in them.) I currently >>have a large pallet of mac 14/15 inch monitors; a pallet of IIsi, IIci, >>IIcx's; Quadra 700s, Quadra 950 servers(awesome machines), PowerPC >>7100/66, 7100/80's. also other random ones. also, *several* pallets of >>Duo Dock 230's and 280's. tons of NEC versa V/50's and 4000c's. quite a >>few 21 inch mac color monitors (definitely not for sale, unless you made >>an attractive offer to my boss!) >> >> alot of this stuff is earmarked for employee sales, but alot of it is >>also headed for disposal. If anyone is truly interested, I will print >>out and give serious inquiries to my boss. emailing the head of a large >>national corporation won't do much, but I can give your requests to the >>right person. >> >> in Minneapolis, Minnesota. >> >>-Eric >> >> (PS. - I only offered to grab roms or small chip components because >>they wouldn't be used where the machines were headed, and they wouldn't >>be missed. I cannot personally recover systems or anything of that >>nature. I am sure however that my boss would be very reasonable if you >>made an offer!) >> >> PPS- we also have several sony trinitron touch screens. anyone know of >>a use for these? >> >> >

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