test-drb

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101090 discussions

by manney＠lrbcg.com

Anyone interested in a Head Start Explorer? (Laptop -- sorta -- XT w/HDD, needs CGA monitor). - HDD OK, has a virus - Broken backsoace key, some others feel funny (stuck) - Broken on/off switch, needs to be pushed in with pen manney(a)lrbcg.com "Un sot trouve toujours un plus sot qui l'admire."

27 years, 11 months

Soviet programmable calculators: anybody interested?

by andy＠topaz.kiev.ua

Hi, all! I'm kinda novice around here... So can't get at once if the topic will be interesting to you chaps. In my school days I used to work with programmable calculators (Soviet ones - .ua was part of SU that days). So if smb finds the topic interesting I can try to recollect all I know about 'em and post right to the group. And I can assume they could be called classic 'cause the last model of this "Elektronika MK" series was issued ~11 years ago. So, if find it worth typing please mail me to andy(a)topaz.kiev.ua -andy

27 years, 11 months

Microscopic Computer Collection?

by jfoust＠threedee.com

As a teen, I remember scavenging 7400-ish chips and whacking them along the edge to split the ceramic to expose the silicon die, then examining them under a microscope. With that experience in mind, I've saved a number of chips from junked equipment over the years. Has anyone else out there assembled a microscopic chip collection? I've thought about removing the dies from the chips (hmm, might be tough because they're so fragile) and mounting them on slides. Sam's message about the 4004 made me think about this. Coulson suggested a good way to get a 4004 would be to find one in an old cash register. I checked the net for sites for cash register repair companies, and sent a few e-mails, but none had spare 4004s. It would be fun and almost educational to outsiders to have a series of slides showing the evolution of the common Intel chipset, or memory chips. - John Jefferson Computer Museum <http://www.threedee.com/jcm>

27 years, 11 months

Microscopic Computer Collection?

by maxeskin＠hotmail.com

I remember smashing chips. Was pretty difficult, actually. I tortured memory chips. I think this might be a good idea. I can imagine a fairly large market for this, if you're into that sort of thing. THe only problem is: how many 4004s are left, not counting the ones on Voyager? How many were made? >them along the edge to split the ceramic to expose the silicon die, >then examining them under a microscope. With that experience in >mind, I've saved a number of chips from junked equipment over the years. > >Has anyone else out there assembled a microscopic chip collection? >I've thought about removing the dies from the chips (hmm, might >be tough because they're so fragile) and mounting them on slides. > >Sam's message about the 4004 made me think about this. Coulson >suggested a good way to get a 4004 would be to find one in an old >cash register. I checked the net for sites for cash register >repair companies, and sent a few e-mails, but none had spare 4004s. > >It would be fun and almost educational to outsiders to have a >series of slides showing the evolution of the common Intel chipset, >or memory chips. > >- John >Jefferson Computer Museum <http://www.threedee.com/jcm> > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

Intel 4004 architecture

by allisonp＠world.std.com

<I'm interested in finding out all about the Intel 4004 which, if history <is recorded corrrectly, was the world's first microprocessor. No problemo... according to my 1979 Intel component databook... the last year it was in the data books (along with the 4040). Oh, as a note the 8008 had a shorter life than the 4004! <Was the 4004 chip itslef a microprocessor? Well yes, but I'd have to know what you consider a uprocessor. It was complete in that it contained the Instruction decode, ALU, registers and all the basic timing and control. <Did it require support chips to actually make it functional? Yes, a clock generator, and a pot load of logic or specific support chips. I've seen 290x based designs that used fewer chips total. <I recall that the 4004 was a part of a chip set upon which you could < build applications. Yes there were but, the 4004 could be used alone...awkwardly. <Was the 4004 a serial or parallel architecture? Parallel. Instructions are 8bits and data/arithmetic paths 4bits wide. Allison

27 years, 11 months

Intel 4004 architecture

by lgroebe＠insidermarketing.com

> >I'm sure there are at least a couple of g00r00's on this list who can >provide the information I seek. > >SNIP >Lastly, and most importantly, is their a resource for information on the >4004 that someone off-hand knows exists on the web? > >Thanks! > > >Sam Alternate e-mail: dastar(a)siconic.com TRY THIS LINK, FOR STARTERS.... http://home1.gte.net/ccourson/4004.htm --Larry

27 years, 11 months

Intel 4004 architecture

by dastar＠wco.com

I'm sure there are at least a couple of g00r00's on this list who can provide the information I seek. I'm interested in finding out all about the Intel 4004 which, if history is recorded corrrectly, was the world's first microprocessor. Was the 4004 chip itslef a microprocessor? Did it require support chips to actually make it functional? I recall that the 4004 was a part of a chip set upon which you could build applications. Was the 4004 a serial or parallel architecture? Lastly, and most importantly, is their a resource for information on the 4004 that someone off-hand knows exists on the web? Thanks! Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Ever onward. September 26 & 27...Vintage Computer Festival 2 See http://www.siconic.com/vcf for details! [Last web page update: 05/11/98]

27 years, 11 months

Very interested in classic computer software

by eengelmann＠worldbank.org

How do I find out more about your list or group? My business buys and sells old programming, database and OS software for PCs. ems(a)wdn.com

27 years, 11 months

North Star Horizon

by allisonp＠world.std.com

<Well, I am looking for a decent DEC PDP-series machine though I don't kno <(yet!) a lot about them. I've programmed a couple of DEC machines in <assembler and Pascal during various studies at the local college. That i <somewhat important to be a little prepared but it doesn't amount to much <because I have had virtually no hands-on hardware fun yet. Now I want to <get one to preserve and actually learn more upon. I've not asked here on <the list yet for one that's available, but someday within the next year o <so I will ask if one doesn't show up nearby to me beforehand. While I'm not against it... this is an example. Like what kind of PDP-?? There are PDP-11s, -8s, 10s and others, all different, some quite large. Even within a family like PDP-11 there are unibus machines (11/20, 11/34, 11/44...), Qbus machines (LSI-11, 11/23, 11/73...), CTbus (pro350, 380), bounded PDT-11/130, pdt11/150. There is where a little research beforehand is needed. A pro350 is desktop, an 11/44 could easily be three racks and a washing machine disk. PDP-8s there are at least three major buses used and variations in the family ranging from the small decmates to an older straight-8 or 8I. When put in context "I want a PDP." is a pretty broad statement and could put you in the position of trying to handle something larger in scale (or smaller) than desired. I'm not saying don't but, having a PDP-10 (ka10) means you have at least 40-200 square feet just to set it down and three phase power to run it. <My curiosity at wanting to learn how things work, such as what I've <reported above, has served me very well. I would not have the engineerin <job such as I have now nor the activity I have in the antique radio Part of where my interest in engineering lies and originated from. Allison

27 years, 11 months

Computer Values

by jfoust＠threedee.com

At 11:03 PM 5/14/98 -0500, Doug Yowza wrote: > >eBay and other online auctions are probably the best gauges of prices >there are, because they represent fairly efficient markets. In fact, some >online auctions that move their own inventory do regression analysis that >tells them more or less what price they can expect to get for any given item. These net auctions cause a great deal of thought in my brain, which is driven by a pure-gold capitalist heart. At first I thought they'd be a great place to pick up bargains on trailing-edge contemporary PC and consumer stuff, but whoa... look at those prices! Sure, they start at $9.00, but you can watch them zoom right up to conventional Best Buy or CDW retail prices *or more*. The question "Yeah, but who pays retail?" is answered "Lots, and many pay more." Someone did their homework when they developed this online auction concept. Or perhaps it exposed its true nature once someone implemented it, and let the market drive it. (Although I wonder if we don't know important details such as the rate at which the auction house successfully collects its percent, or whether auctions have been rigged by shills working for the seller, etc.) So when the historical computer sells for what we (the dumpster-diving cheapskates) see as inflated prices, we may instead me seeing the evolution of a "retail" price for our old junk, and perhaps the anecdotal reports can provide a "dealer" or "wholesale" price, or at least provide the mean. We grimy collectors know that much computer equipment is tossed in the trash, fed to scrap collectors, or is still sitting in warehouse corners. That alone fuels a desire to pick up collectibles for no cost. Just yesterday I introduced myself to a local junk dealer. I missed some kind of mainframe from a local business by a month... but now he knows he can sell me junk for higher than the scrap value, so perhaps he'll remember me for next time. - John Jefferson Computer Museum <http://www.threedee.com/jcm>

27 years, 11 months

Windoze 3.0

by bwit＠pobox.com

Russ, If you get more than one person interested, I believe I can get a couple copies of Win 3.0 for folks. Regards, Bob ---------- From: Russ Blakeman[SMTP:rhblake@bbtel.com] Sent: Thursday, May 14, 1998 3:51 PM To: Discussion re-collecting of classic computers Subject: Windoze 3.0 I have a new copy of Windows 3.0 for sale. It's never been used but the shrink is off of the outer box but the manual is still wrapped and the disks untouched. It comes with 1.2m 5.25" fl;oppies but if someone wants this and needs a set of 1.44m 3.5" disks I can make those and add them to it. I need $15 for it with only the 5.25" disks, mailed to anywhere in the 48 continental states. Add $2.50 (17.50 total) if you wish a set of 1.44m 3.5" disks included (copies from the 1.2's) to cover the floppies and the little extra weight. I have only the one copy so first come first served. -------------------------------------------------------------------- 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

Another EBay absurdity

by maxeskin＠hotmail.com

Ditto. I'm somewhat surprised that you can't find anything cheap. In the WantAds, which generally sell Commodore 128s for $300, the Compaq portables go for $10 a piece. >> >>>> Compaq Portable: $100 Pfeh. $15 >>I'd get one for <$15, but I've yet to see one that cheap. Cheapest so far >>is $50. > > Wish you were here. There's six of them sitting in a trift store. They're >ASKING $5 each. > > Joe > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

random bits need new home

by maxeskin＠hotmail.com

Yes, that's all a decmate needs, though I haven't seen one with an 8" drive. I have the manuals and 5.25" diskettes of WPS, as well as a couple of other random DEC 5.25" disks (MS Windows 1.0 for VAXmate and something else). I ought to download RX8 (or whatever the OS is called) and try it on my DECMate. > >1.) Apple II ProDOS User's Kit. Complete in box. (Includes disk, manuals, > packing list, foam, and other exciting artifacts.) > >2.) Apple II Apple Logo. Includes box, disk, and 2 manuals ("Introduction > to Programming through Turtle Graphics" and "Reference Manual"). > >3.) Box of 8 inch floppies unknown condition: > a.) digital software (BA-M386A-BA) WPS-8/DECMATE V2 BIN MATH RX2 > b.) digital software (BA-M471A-BA) WPS-8/DECMATE V2 BIN SORT RX2 > c.) digital software (BA-M470A-BA) WPS-8/DECMATE V2 BIN COMM RX2 > d.) digital software (BA-M469A-BA) WPS-8/DECMATE V2 BIN LIST RX2 > e.) digital software (BA-M387A-BA) WPS-8/DECMATE V2 BIN BASE RX2 > f.) digital software (BA-S968B-MA) ALVTAB0 DECMATE SYSTEM TEST > REPLACES: AS-S463A-MA > g.) hand labeled intel "SA/FT/FMS Priam Interface, SMD Interface > for updated byte/serial PCB's" > h.) hand labeled dysan "Backup of Priam test programs" > > The box is one of those that can be attached to others of the same > type. Manual and labels for box included. Whoo-hoo. > >Is #3 enough to get a decmate runnin? > >Make me an offer. Random old Sun bits preferred, cash accepted. > >Thanks, > >--pec >-------------------------------------------------------------------------- >The Antique Computer Collection: http://www.wco.com/~pcoad/machines.html > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

Slacker redemption time

by maxeskin＠hotmail.com

Uh-huh. It's time to move out of my apartment. Is the HP 3000 any good (in terms of how interesting it is)? >Okay, for all you so-called collectors who have been lax in filling your >homes to the rafters with unloved digitalia, here's your big opportunity >to start catching up with me: > >http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=14015888 > >-- >mor(a)crl.com >http://www.crl.com/~mor/ > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

web site - emulators and info

by JRichardson＠softwright.co.uk

Hi all, For those that care, I just found an interesting web site at http://www.arrgh.demon.co.uk/home.html; quite a bit of info on all the popular old 8-bit machines of the early 80's, plus where to get emulators for these machines from, articles about popular computing characters of the time, etc... have fun, Jules

27 years, 11 months

test

by Marty＠itgonline.com

For the first time since I subscribed to this list there were no messages from last night. Hmmmm.

27 years, 11 months

Ali Babas cave

by H.Davies＠latrobe.edu.au

At 12:58 AM 14-05-98 -0400, William Donzelli wrote: >> That is good news (for us). Do you have contact details for anyone who >> has one? > >The DEC Australia collection probably has one (but they have damn near one >of EVERYTHING DEC made!). If this is discussing a PDP-9 then yes, there is at least one in the collection - the first Digital box purchased by La Trobe in about 1967. There's an interesting story behind this system: In about 1968 the -9 was stored in a basement area which was unfortunately flooded when some high-pressure water pipes ruptured. My current boss (who was Computer Centre Manager at the time) along with the technical officer moved the -9 out onto a lawn and it was disassembled. The parts were then washed and dried in front of radial heaters (one of which is still in use in my bosses office!). The -9 was reassembled but three flip chip modules were found spare! The system ran (without them) for about 10 years before being replaced with a PDP-15, DECsystem-10 and Vaxes of various types. It was decommissioned and moved to the DEA museum collection. Huw Davies | e-mail: Huw.Davies(a)latrobe.edu.au Information Technology Services | Phone: +61 3 9479 1550 Fax: +61 3 9479 1999 La Trobe University | "If God had wanted soccer played in the Melbourne Australia 3083 | air, the sky would be painted green"

27 years, 11 months

Oh, what a tangled web...

by photze＠batelco.com.bh

Yes, but we're nearly at the dawn of the 21st century. We've got like what... 5 billion? And furthermore, there are several authors on the list, who actually controll their temper. Tim D. Hotze -----Original Message----- From: Russ Blakeman <rhblake(a)bbtel.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, May 14, 1998 9:36 PM Subject: Re: Oh, what a tangled web... >Greg Troutman wrote: > >> With the recent discussion on the MTPRO price guide, the ZX80 bashing, >> and a bit further back the Enrico Tedeschi flame festival, I found it >> quite amusing to run across the following entry at eBay: >> >> http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=13957826 >> >> For those without a web browser, I'll just say that this is a book on >> Sinclair computer history, being auctioned by the author of the MTPRO >> price guide (who goes by the handle "ClassicComputing" at eBay). Most >> remarkable of all, the book was authored by a gentleman named Enrico >> Tedeschi. > >You sure wouldn't know it by the way he writes in the list area, would >you. I guess anyone can write a book >anymore. ------------------------------------------------------------------ -- > > 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

Teaching Students Computers... (Semi-OT)

by maxeskin＠hotmail.com

Haven't you ever spelled upside-down words on a calculator before? Q: What is the Divine Comedy about? ( [4] [3] [3] [7] [M+] ) Hell >Russ Blakeman wrote: > >> Remember when the LED HP calculators were banned from high schools and >> considered cheating? My best friend was suspended over just the possession of >> one in school, not even in class. Of course he's a few years younger than I as >> I don't remember calculators being much less than the price of a good used car >> when I was in school. They came down dramatically in 76 when I was going >> through electronics training. I think the one I had cost $105 then and we >> thought that was cheap. > >I was forbidden to take my old Pickett out of its holster many times >back in my early 70s high school days. Never understood what >advantage it was supposed to give me in an EngLit test ... >-- >Ward Griffiths >They say that politics makes strange bedfellows. >Of course, the main reason they cuddle up is to screw somebody else. > Michael Flynn, _Rogue Star_ > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

PLease ID CD-ROM unit

by maxeskin＠hotmail.com

So do you suppose it would be possible to take a shot at figuring out how the thing works? I have no drivers for it. I could look up what the 164P is wired to, saturday or monday. Do you think it would be feasible to develop a driver for it? >> Hitachi HD74LS32P > >Quad 2-input OR gate. > >> 367AP > >Is that another chip? If so, its a hex 3-state buffer > >> 240P > >And that's an octal inverting 3-state buffer > >> 164P > >And a shift register (odd...) > >> MB74LS00 > >Quad 2 input AND gate > >> 138 > >3-8 line decoder. > >> >> TI J549X SN74LS541N > >Octal 3-state buffer. > >Probably some kind of address decoder (the '138) and buffers. Nothing too >unusual (although what the '164 is doing I don't know). > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

Televideo 925 switch settings

by mor＠crl.com

Can someone tell me what each of these dip switches do? -- mor(a)crl.com http://www.crl.com/~mor/

27 years, 11 months

Teaching Students Computers... (Semi-OT)

by maxeskin＠hotmail.com

Sorry, I always get those things backwards ;) [7] [7] [3] [4] [M+] >On Thu, 14 May 1998, Max Eskin wrote: > >> Haven't you ever spelled upside-down words on a calculator before? >> Q: What is the Divine Comedy about? >> ( [4] [3] [3] [7] [M+] ) Hell > >LEEH? > >-- Doug :-) > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

Can we talk about computers at least?

by maxeskin＠hotmail.com

I will do my best to drop by. I don't really intend to buy much, just take a breaking from browsing _virtual_ computer museums > Well Agreed! > > Sorry I haven't been active in the list much... between work and >a family illness I've been _busy_! BTW: Anyone planning on attending >the MIT Flea market this Sunday? I doubt prices are going to be >reasonable what with that $100 PDP-11/23 last month. > >--jmg > >> From: Sam Ismail <dastar(a)wco.com> >> Subject: Can we talk about computers at least? >> >> People. >> >> Could we move the discussion about the perceived woeful inadequacies of >> the current state of public education to a more appropriate forum? Like >> say a usenet group? Or a new mailing list? Basically anywhere but here, >> where it really does not belong? > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

3.5

by maxeskin＠hotmail.com

I remember frying a //c by plugging in an 800K external drive. Hey! It fit! >On Wed, 13 May 1998, David Williams wrote: > >> Early versions of the Apple //c didn't have the support for 3.5" >> drives. Mine is like that. You can check which version of the //c >> you have by going into Applesoft and doing a PRINT PEEK(64447). If >> it returns 255 then you have an original //c. The tech ref shows 3 >> basic versions and their ID bytes as follows: >> >> Original //c : ID Byte = 255 >> >> UniDisk //c : ID Byte = 0 > >Mine returns 0, so this is the one. It should support 3.5" drives, though >possibly not the one I've got. > >> Added 3.5" support >> Increased ROM to 256K > ^^^^ You've GOT to be kidding me! > >Unless it means "ROMs that will support 256K of RAM". > ><snip> > >Doug Spence >ds_spenc(a)alcor.concordia.ca > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

27 years, 11 months

Windoze 3.0

by rhblake＠bbtel.com

I have a new copy of Windows 3.0 for sale. It's never been used but the shrink is off of the outer box but the manual is still wrapped and the disks untouched. It comes with 1.2m 5.25" fl;oppies but if someone wants this and needs a set of 1.44m 3.5" disks I can make those and add them to it. I need $15 for it with only the 5.25" disks, mailed to anywhere in the 48 continental states. Add $2.50 (17.50 total) if you wish a set of 1.44m 3.5" disks included (copies from the 1.2's) to cover the floppies and the little extra weight. I have only the one copy so first come first served. -------------------------------------------------------------------- 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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