test-drb

test-drb@ccmp.vtda.org

101090 discussions

by lee＠geekdot.com

IBM Turbo 16/4 Token-Ring PC Card 2 no lead IBM Turbo 16/4 Token-Ring PC Card no lead Toshiba V34 FAX Class II PCMCIA with lead Available for postage from UK Lee.

18 years, 9 months

Reviving DEC RX01 power supply

by oldcpu2＠rogerwilco.org

> which is sqrt(2) times as large. sqrt(2)+27.8 is about 40V. Hmmm... Are > you sure those secondary voltages are reasoable? I think so. The printset doesn't seem to specify the transformer's secondary voltages, but reviewing my historical notes from other RX0? revivals, the 'normal' voltages are roughly 24 and 10. > voltage increases. But I could well believe a reasonably designed > regualtor would work correctly on double the input voltage, particularly > on no load. It appears that the DEC designer did his/her job well, then, on this particular PS! :) > > Another suggestion I received privately hints that putting a dummy load > > on the PS might bring it into line, and that I will try. I have access to an > Thing is, you havve an identical PSU that works without a dummy load (as, > BTW, do the ones in my RX01s and RX02s). I don't think you need a load on > this supply/ Point taken, but after swapping the 660v AC cap between the units this afternoon, and seeing no difference. The only real thing left is the transformer, but I can test it's output directly, and it's at the 'normal' levels. So, I guess it's a 'dynamic' issue, rather than a static one. Maybe the load does matter. I'm going to try that next. - Jared

18 years, 9 months

British Computers.

by RodSmallwood＠mail.ediconsulting.co.uk

So I can come along sit down and start knocking out some code then? That might cause a crowd to collect. Then something dynamic. Line printers thumping away, Paper tape reader on a long loop. Tape punch doing a Woody Woodpecker. IBM 029 doing verify. Two security guys dragging me out of the building. The visitors would love that!! Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Jules Richardson Sent: 03 September 2007 18:14 To: On-Topic and Off-Topic Posts Subject: Re: British Computers. Rod Smallwood wrote: [BP stuff] > Well that's interesting.... > How much of it will be running? Well the aim is for as much as possible; I suspect we can manage 95% for the machines actually set up on display, but then there'll probably be other things on shelves or incomplete so that people can see their internals etc. Not 95% at once, of course - but 95% capable of running whenever the relevant people who know how to operate and look after them are on site :-)

18 years, 9 months

Reverse engineer the MatchPoint PC card?

by lynchaj＠yahoo.com

Hi, Is there any interest in reverse engineering the MatchPoint PC card? I have one the cards and it appears fairly simple. It is mostly a small number of 74LSXX TTL chips and buffers. There are a small number of PALs on the board which pose the biggest challenge, I think. An open sourced version of the MatchPoint PC card design would be a powerful tool for those of us interested in making disk images of legacy CP/M hard and soft sector formats. Of course, it would imply some software being written as well to be useful outside of just the Uniform PC software which comes with it. Is reverse engineering the MatchPoint PC feasible and/or worthwhile? It might be slightly cheaper than a Catweasel but I doubt it would be as useful or flexible. I think the Catweasel ISA is probably a better deal but they can be hard to get. Are any of the original MicroSolutions MatchPoint PC designers still around? Does anyone own the MatchPoint PC IP or is it now officially "abandonware"? I would like to hear people's thoughts on the topic. Thanks! Andrew Lynch

18 years, 9 months

IBM 5362

by ceby2＠csc.com

>> On 9/3/07, Chris M <chrism3667 at yahoo.com> wrote: >> There are 1 of these on eBay: >> >> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=140152462361&ssPage… >> >> I want! >> >> Oh, it's in Oklahoma. It's got to weight >150lbs, >> no? FWIW I believe the 5362 is a sublime machine. The machine architecture and operating system are totally unlike the VMS/UNIX stuff many of us are used to. The mainframe derived, yet somehow unique approach is weird and wonderful... Even a familiarity with its descendant AS/400 won't quite give the same thing. Just for example, the system runs in 8 bit compartmentalised process spaces. The processors are 8 bit, but the machines often have as much as 2 MB on them. So they've taken the concept of memory windowing to something of an extreme. You can't program outside the 64 MB RAM bounds without invoking a separate program in another memory space. On the other hand, you have have as many applications running in either shared or single instance mode as you have memory for. As a second 'for instance', there are actually 2 CPUs. One is more or less equivalent to a channel controller in that it does all the IO. Truly, this is a machine worth having. There has never been an emulator written to reflect this architecture, so the only way you can really experience it is first hand. Add to that the library/directory/file data storage paradym, RPG/Basic/Cobol/Assembler as the programming languages, and an extensive menu/terminal IO driven interface and you have something as un-cshell like as I can imagine in a machine you are ever likely to actually possess. Compared to this a PDP/11 running RT-11 (or the like) feels a pimped version of CP/M. IMHOP: zzzzzzzzzzzzzzzzzzzzzzzzzz.... (I'm already ducking my head for fear of the flaming retribution of the DEC collectors on the list) --- Jason T <silent700 at gmail.com> wrote: > Before I forget, and as I'm sure most already know, > someone's been trying to give away a 5360 on > marketplace.vintage.org for sometime. I don't feel > like logging in, so I can't "see everything", so I > don't know if it's still available, but I imagine it > would be. > I bet Sridhar already has one, so you won't have to > fight him for it LOL LOL LOL. > Can't remember where it was located, I want to say > Connecticut, but I could very well be wrong. Now I just happen to be the poor sap with this thundering albatross. After making my pitch, and singing the platforms virtues let me ask, nee plead for a new keeper to step foward. Here is the revised 'scoop'. I haven't laid eyes on this system in at least 5 years. It's stored in a ground level lock-up (garage door style) outside Hartford. I will give a copy of the key to ANYONE who will relieve me of the storage rental. But that's ALL I can give you. Over the years I have indeed tried to give away this system to a number of well intentioned people. The problem is they always want me help transport it. Well my ability to 'help' has descended from the sublime to the ridiculous. I no longer living in the area (by which I mean I live 4000 miles away in England and can be of no imaginable assistance at all). Tempted? Drop me a mailing address and I will eagerly post you a copy of the padlock key. From there... over to you. Do your best to collect it (all of it, please). You MUST have (1) a forklift (2) a tail lift (3) a team of oxen (a fraternity pledge class would be ideal). The photo published on 'marketplace' is of the actual machine, just before I moved it. The 'vette' in the background should give you a clear idea of scale. Go on, I know you want to. Sridhar's no threat to your acquisition. He wisely turned me down so long ago I imagine he's forgotten about it altogether. Thanks, Colin Eby

18 years, 9 months

[Free] Old Data Books (Australia)

by tshoppa＠wmata.com

Chuck wrote: > On 3 Sep 2007 at 19:59, der Mouse wrote: >> MCM2016HN70 / HID8625 >> CY7C409A-25PC / USA9225 91714 >> GAL16V8A / 15LP / L218D16 >> MC14034B / CP QQ8318 > In no particular order, the MC14304B is a 4000-series CMOS quad "NOR" > latch. The MCM2016 is a generic 2Kx8 SRAM, the CY7C409A is a 64x9 > FIFO, > the GAL16V8A is a CMOS PLD (64x32 arry, registered outputs). > The others are a bit of a mystery to me. "The others" are speed ranges (15ns) and date codes >from the 80's and 90's :-). Tim.

18 years, 9 months

trs 80 model 16B

by kelly＠catcorner.org

>> Is there anyone who can help me? I am needing an 8" boot disc of >> suitable software, to breathe life into my 16B monster! I can't >> believe there is no 8" disk's available? I have made a >> suitable cable to connect a 5,25 drive, so any suitable software will >> do, please contact me if you think you can help. regards paul > > Kelly Leavitt has a set of 16B/6000 Xenix disk images posted at: > www.catcorner.org/Tandy > www.catcorner.org/Xenix > > If you dig up a copy of TRSDOS16 (TRSDOS ported to the 68k) I'd love > to have an copy of the image for my archive. > > Dave Although pretty slow at doing so, I have most of the operating systems that ran on this series of computers either archived in imagedisk format, or ready to be made so. I have TRS-DOS 16, II, and a lot of different CP/M versions that I can image. And Dave, you and anyone else doing so, are welcome to either link or make a copy of my images available for download in your archives. A little acknowledgement would be nice, but not required. Kelly

18 years, 9 months

IBM 5362

by chrism3667＠yahoo.com

There are 1 of these on eBay: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=140152462361&ssPage… IIRC would go hand in hand w/the terminal/controller thing someone had for sale on here in the last couple of weeks. the 5364 looks cool. Needs a 5170 - no more, no less - for the front end. Even looks like an AT. Not enough krazee Big Blue stuph floating around if my opinion means anything. IINM, I spoke to a gentleman - YO DUDE! ;) - who was working on a "System/36 on a chip". Just way too groovy. Stupid Cat's final bid didn't even break 8 bills :( ____________________________________________________________________________________ Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more. http://mobile.yahoo.com/go?refer=1GNXIC

18 years, 9 months

ebay: ANSI Electron Tubes, Bases, Capsn and Terminals

by legalize＠xmission.com

Ebay # 320152907541 Here we have ANSI American National Standards, ANSI for electron tubes and related items. Including: 1. C60.1-1964 (UDC 621.385.1; 621.3.032), EIA RS-209-A. Dimensional Characteristics of Electron Tubes, Bases, Caps, and Terminals (including Gauges). 3 sections: 51, 112 and 48 pages. **Cover edges are worn on this one. 2. C60.6-1959 (UDC 621.3.032.2:621.317.335) EIA RS-191-A. Direct Interelectrode Capacitances, 16 pages. 3. C60.8-1963 (UDC 621.3.032.2:621.3.011.4) EIA RS-263. Interelement Capacitance for Electron Tubes. 2 page. 4. C60.9-1964 (UDC 621.385.13.001.3) 62 IRE 7.52. Definitions of Terms for Electron Tubes, 8 pages. 5. C60.4-1950 (UDS 003.62:621.3.032.71) JETEC JO-C3, Designation System for Metal Electron Tub Shells, 2 page. ***NOTE: These are currently in a ANSI binder - please advise if binder is NOT desired so we can adjust the shipping rate. Previously a library copy. Lightly read, virtually no page creasing, no rips or tears found. Jacket/cover has light edge and corner wear. -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

18 years, 9 months

building a machine room

by cheri-post＠web.de

Hello Richard, in order to get another impression of what it means to build a machine room, have a look at Bernd Ulmann's website: www.vaxman.de In the menum, click on museum, then on machine room (it's a link within the text). He writes alot about all the problems he got confrontated with while building and renovating his machine room. It's very interesting! Regards, Pierre > > OK, I know some of you have done this -- Henk with his brick PDP machine > room in the Netherlands, at least! > > Looking more closely into the power and other environmental > requirements for my Onyx2 and other rack SGI systems, it seems prudent > that I shouldn't attempt having these systems up and running without > the appropriate environment. > > Fortunately the electrical isn't too bad -- 220 VAC, single phase. > Its more the cooling and ducting part that has me wondering. At the > moment, I'm not concerned with creating a building. I'm wondering > more about what would it take to build a "machine room" inside an > existing structure. Naturally, we're talking about building this on a > "collector" budget and not what you would do if money were no object. > > Assume you have something like a warehouse with a concrete floor but > no warehouse-wide cooling situation. Is it feasible to build a small > climate controlled room inside this larger structure? Where do you > get the necessary A/C equipment for such a thing? > -- > "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download > <http://www.xmission.com/~legalize/book/download/index.html> > > Legalize Adulthood! <http://blogs.xmission.com/legalize/> > _______________________________________________________________________ Jetzt neu! Sch?tzen Sie Ihren PC mit McAfee und WEB.DE. 3 Monate kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220

18 years, 9 months

trs 80 model 16B

by paul＠pgdeng.co.uk

Is there anyone who can help me? I am needing an 8" boot disc of suitable software, to breathe life into my 16B monster! I can't believe there is no 8" disk's available? I have made a suitable cable to connect a 5,25 drive, so any suitable software will do, please contact me if you think you can help. regards paul I use BullGuard Spamfilter to keep my inbox clean. It is completely free: www.bullguard.com/freespamfilter

18 years, 9 months

British Computers.

by RodSmallwood＠mail.ediconsulting.co.uk

I think the Blakes 7 computer may have been called ZEN. ORAC on Blakes 7 was a device that could predict the future. Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Fred Cisin Sent: 03 September 2007 05:35 To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: British Computers. > I'm 99% sure that Tangering = Oric. ISTR that they changed their name > from Tangerine to Oric when they launched the Oric 1? . . . but does it have the true personality of the Oric computer on Blake's 7?

18 years, 9 months

Reviving DEC RX01 power supply

by oldcpu2＠rogerwilco.org

I've got a H771-A (120V/60Hz) that's acting up on me. Part of an old PDP-11/03 that I'm trying to get back on its feet. As I've done with 4 or 5 other RX units in the past couple of years, after cleaning it up and reforming the capacitors, but before plugging everything together, I wanted to check output voltages. I'm sure glad I did because this guy is not normal! Where you usually see 24V, I'm getting 42V! And the so- called 'Raw DC' which is normally around 10V is 17V. At least the +/-5V lines are more or less correct at +5.1V and -5.3V, respectively. I need some help here. I've checked the printset on this, and frankly, this analog stuff is so much voodoo (to me). I get lost pretty quickly unless the circuit is simple, say, like a flashlight. Anyway, I've checked a number of voltages and voltage drops at various places[1] that I thought might lead me to something, but I can't say that I'm any wiser now. I'm sure this is fixable, even by me, IF I can locate out the faulty component(s). Hints or guidance on what else I should look at would surely be appreciated! - Jared [1] Here are voltage readings taken at a few locations: - Transformer outputs (these look normal): blue: 27.8VAC purple: 11.2VAC - PCB connector P1: 2 (blu): -5.3v 3 (blk): 0v 4 (gry/red): 5.1v 5 (blk): 0v 6 (red): 42v (should be 24v!!!) - PCB connector P2: 1 (org): 17v (should be 9.5v!!!) 3 (blk): 0v 4 (gry/red): 5.1v 5 (blk): 0v - Voltage drop across: D5 15v Zener: 17v D11 6.8v Zener: 7v R12: 25v R13: 12v

18 years, 9 months

eprom "dumping"

by chrism3667＠yahoo.com

as most of us know, the IBM PC and PC/AT (I think) have extra rom sockets. If you want to obtain a dump of an eprom, could you simply plug them into these spare sockets and use Debug or whatever to capture an image? Seems straitforward enough, but I figured it wouldn't hurt to ask... ____________________________________________________________________________________ Luggage? GPS? Comic books? Check out fitting gifts for grads at Yahoo! Search http://search.yahoo.com/search?fr=oni_on_mail&p=graduation+gifts&cs=bz

18 years, 9 months

Calling Kurt Klemm

by grant＠stockly.com

Sorry about the personal message here but I've exhausted the means to contact him. If you get this please try to send me a message on my website: http://www.stockly.com/forums/index.php I can't seem to send you e-mail! Grant

18 years, 9 months

holy crap, another Cat on ePay!

by dkelvey＠hotmail.com

> From: chrism3667 at yahoo.com> > AND NO PAYMENTS NECESSARY UNTIL 2008! WOOHOO!> > http://cgi.ebay.com/VINTAGE-CANON-CAT-WORK-PROCESSOR-Jef-Raskin_W0QQitemZ11…> > I might be selling mine soon. Need a house. Tired of> sleeping in the car LOL LOL LOL.> Hi You might want to hold off for a while. I suspect that the market is reaching saturation. There just aren't that many that are expecting to pay $600+ for a Cat. For those that are interested in hacking the Cat or writing another printer driver as I've done, look at the Cat info on the DigiBarn web page. I've been doing other hacking since then for anyone that is interested. I've found the video RAM and I'm thinking of creating some graphics functions. Right now I just have a simple XOR to each bit but I realize that a line drawing routine would be good as well. If someone on this group wants to talk offline about the Cat, let me know. It is a remarkable computer. Dwight _________________________________________________________________ See what you?re getting into?before you go there http://newlivehotmail.com/?ocid=TXT_TAGHM_migration_HM_viral_preview_0507

18 years, 9 months

big load of crap in St.Louis, MO

by chrism3667＠yahoo.com

http://cgi.ebay.com/8-Free-Vintage-Computers-IBM-Sun-NEC-in-St-Louis_W0QQit… too bad the NEC 9801 is missing the k/b :( ____________________________________________________________________________________ Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

18 years, 9 months

Belgian computers?

by ethan.dicks＠gmail.com

I have the opportunity to travel to Gent, Belgium, in about a month, and with all the recent talk of British computers, I wanted to ask the list if anyone knows if there were ever any Belgian-made computers. I'm mostly interested in 1980s micros, but any sort of machines would be germane. -ethan

18 years, 9 months

The Don Maslin Software Archive

by dm561＠torfree.net

Date: Sun, 2 Sep 2007 03:16:33 -0400 From: "Christopher Feeney" <cpfeeney at carolina.rr.com> Subject: The Don Maslin Software Archive To: <cctech at classiccmp.org> Message-ID: <000001c7ed31$31617740$942465c0$(a)rr.com> Content-Type: text/plain; charset="us-ascii" >I'm sure you hate this question, but did anything ever happen with Don >Maslin's disk collection? I spoke with and exchanged disks with Don over >the years and just tonight learned of his death. I'm looking for the MS-DOS 2.11 bootdisk for the Sanyo MBC 555-2 ------------------------------------ I should have a Teledisk image somewhere that I got from Don a few years back. Email me off-list so I'll be reminded when I get back to the office in a few days. mike

18 years, 9 months

Quay 900 (generic S-100) systems available in Denver

by sellam＠vintagetech.com

Anyone interested in these? http://www.siconic.com/crap/Quay-900-1.jpg http://www.siconic.com/crap/Quay-900-2.jpg They are in Denver, Colorado. I have a couple myself, though they are not "Quay" branded. Mine are generically generic (no branding at all). I believe they have Godbout inside. ContactP: Alan <alan_shaughnessy at earthlink.net> -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ] _______________________________________________ BACCL mailing list BACCL at lists.baccl.net http://lists.baccl.net/mailman/listinfo/baccl

18 years, 9 months

British Computers.

by RodSmallwood＠mail.ediconsulting.co.uk

Well that's interesting.... How much of it will be running? Rod Smallwood -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Jules Richardson Sent: 02 September 2007 00:50 To: On-Topic and Off-Topic Posts Subject: Re: British Computers. Rod Smallwood wrote: > A passing thought.. should there be a British Section at Bletchley? Don't worry, there will be :-) Plus there'll be various other British machines littering other sections (Inmos, ICL, Elliott, Marconi, BCL, Digico, Diamond etc.) which naturally fit better with some of the other 'themes'. I'm not quite sure when the room with the focus on British machines will come on-line; notionally we're starting at the top end of the building (Colossus, Tunny et al, workshop, really big iron, analogue machines) and working our way down the corridor room-by-room. The 'British Room' is about halfway down - hopefully get to that one in around 6 months or so. It's slow going as every room ends up having to be gutted, cleaned and repainted... I was going to ask about Irish machines and see that James got there first; did Ireland ever make any micros? We spent today doing some final assessment work on the ICL 2966 mainframe prior to its move to final destination (as well as the 40 or so cabinets there seems to be a metric buttload of spares). Wall-painting's now finished in the room that it'll be going in to, and a couple of different firms are coming in on Monday to see the beast and give us a quote for moving it. If all goes well hopefully it'll get shifted in the next couple of weeks... cheers Jules

18 years, 9 months

Belgian computers?

by laurens＠daemon.be

John Honniball wrote: > Ethan Dicks wrote: >> I have the opportunity to travel to Gent, Belgium, in about a month, >> and with all the recent talk of British computers, I wanted to ask the >> list if anyone knows if there were ever any Belgian-made computers. > > Wasn't there an 8080 or Z80 machine called the DAI that was Belgian? > I seem to recall wanting one when I saw the specs, but I can't > quite remember why -- maybe it had the TI sprite graphics chip? http://en.wikipedia.org/wiki/DAI_Personal_Computer That's the first I heard about a Belgian computer. Not sure whether you'll actually find one seen that I never came across one (and in fact, I didn't even know we made computers at one time...)

18 years, 9 months

Lonesome Minicomputer Owner

by c.cooke21＠ntlworld.com

Hi, do you still have the H716 minicomputer? I worked on them from 1970 for some 20 years woth Honeywell in the UK. Do you still need help with your wonderful machine? If you are thinking of disposing of it please let me know. Regards, Clint, UK

18 years, 9 months

Any interest in a Commodore Plus 4?

by cclist＠sydex.com

Got one here. Is it worth anything or is it landfill? Cheers, Chuck

18 years, 9 months

President Computer?

by evan＠snarc.net

Hi all, Anyone heard of an Australian company called President Computer, circa early/mid 1980s? - Evan

18 years, 9 months

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