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

Any Microchannel collectors around here?

by lproven＠gmail.com

I ask 'cos amongst much other junk, I have a largish box full of MCA cards that I'd like to get rid of. If this isn't the place, I welcome recommendations of elsewhere to ask! Most are some kind of audio/video thing - lots of BNC connectors. A couple of elderly NICs and things, too, I think some 8514/a adaptors, maybe some SCSI cards... -- Liam Proven ? Profile: http://www.linkedin.com/in/liamproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AOL/AIM/iChat: liamproven at aol.com ? MSN/Messenger: lproven at hotmail.com Yahoo: liamproven at yahoo.co.uk ? Skype: liamproven ? ICQ: 73187508

19 years

1
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VAXstation 3100 FB problem

by Peter.Coghlan＠EUROKOM.IE

Hi Tore, I am only catching up on my email now after a weeks absence. > >Hello, I've got a VAXstation 3100 (Thanks, Peter Coghlan!) that I You're welcome. I Hope you didn't have any problems transporting the machine home. If you have any friends / family / colleagues etc coming to Ireland that would be willing to transport the X.25 stuff - send them my way. >recently acquired while on holiday in Ireland. There is a problem I'm >having with it - the 8-plane colour display controller is giving me an >error message on startup: > >?? 4 00D0 0016.0052 > >When I run test 4 on the Chevron prompt I get: > >>>> test 4 > >4?.. > 84 FAIL > >and when I try test 50 I get > >(...) >?? 8PLN 0016.0052 >(...) > I have never come across any documentation for the 3100 that goes into enough detail to explain these codes. However, the card can also be used in a Vaxstation 2000 and the firmware in a VS2000 appears to be very similar to that in a VS3100, so I had a look in my Vaxstation 2000 and Microvax 2000 Maintenance guide which does have some details. It suggestes that 0016 is the status from the test and says that this can be ignored! It goes on to say that 005 means "ID data bus" and 2 means an error (as opposed to "no error" or "informational"). Unfortunately, I don't know what "ID data bus" could mean. > >Does anyone know what could be ailing my new toy? The machine will run >perfectly using the mono adapter, though VMS 7.3 will crash hard when >trying to access the device (starting the X server). > When I tried it last, it produced an error during the power up self tests (probably the same error you are getting) but it was possible to ignore the error and boot VMS and use Decwindows without any apparant problems. Its possible that the version of VMS/Decwindows you are using is more sensitive that the one I had. I will see if I can find out what version it worked ok with. I suspect it was V6.something. Regards, Peter.

19 years

1
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Personality modules for Heathkit 4801 EPROM Programmer?

by sellam＠vintagetech.com

I don't suppose anyone knows where one can get a set of personality modules for the Heathkit 4801 EPROM Programmer? A manual would be nice also ;) -- 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 ]

19 years

3
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wtd: Tandy 3000 *any version* and a 6000

by chrism3667＠yahoo.com

preferably the *real* 3000. I'll dig as much change as there is in my pocket or trade for something. ____________________________________________________________________________________ Pinpoint customers who are looking for what you sell. http://searchmarketing.yahoo.com/

19 years

1
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Close rattle-can paint match to 1990's HP beige?

by cclist＠sydex.com

All, I've got some cosmetic touchup to do on an HP cabinet (rust showing in a few scratches). It's not a big job, so I've been considering a coat or two of a rattle-can paint. I'm guessing that said cabinet is late 1980s--early 1990s vintage. Has anyone been in this situation before? Does anyone have any recommendations on a suitable brand and item number for said paint? Thanks, Chuck

19 years

2
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HP2627A, HP82109M

by useddec＠gmail.com

I recently picked up 2 HP2627A (Feb 85),both missing covers, one missing the two boards in the rear, and a HP82901M flexible disc drive. If anyone has any interest, please contact me off list. Thanks, Paul

19 years

1
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Personality modules for Heathkit 4801 EPROM Programmer?

by Billy.Pettit＠wdc.com

Sellam Ismail wrote: I don't suppose anyone knows where one can get a set of personality modules for the Heathkit 4801 EPROM Programmer? A manual would be nice also ;) -- Sellam Ismail ---------------------------- I've been looking for over a year for this information. So far, no luck. If you find anything, I would love to have a copy. Billy

19 years

1
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DEC Rainbow Hard drive.

by RodSmallwood＠mail.ediconsulting.co.uk

The Rainbow in question was owned from new by a DEC employee. The system is marked PC100-B3 and displays Version 05.03E In other words about as up to date as you can get. Apart from the ageing VR201 with blue spot face plate mould it runs cool and quiet. It's a very good example and only lacks a VR241 colour display. I think I have most of the software that ever ran on a Rainbow under CP/M or MSDOS. -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Jeffrey Armstrong Sent: 30 August 2007 18:06 To: cctalk at classiccmp.org Subject: Re: DEC Rainbow Hard drive. > Just because we are on the subject already. > > What is the last version of the firmware ? I can't remember exactly, but the 100A was definitely 4.xx series (maybe 4.12?) while the 100B was definitely 5.xx series (maybe 5.03A). I've never seen different values on any Rainbow, though, suggesting that the boot roms were finalized before manufacturing started and never again updated. Could be wrong, though. Some Rainbow's have different character set ROMs, like the Technical Character Set ROM, but that doesn't change the firmware version on the boot menu. -Jeff jba at sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org

19 years

1
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Lonesome Minicomputer Owner

by c.cooke21＠ntlworld.com

Hi William, I worked extensively on the 316 516 416 and 716 minicomputers for Honeywell in the UK and have only just seen your article. Do you still own this incredible 16 bit mini? Please let me know.

19 years

1
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HP DraftMaster I

by roger.holmes＠microspot.co.uk

> From: Fred Cisin <cisin at xenosoft.com> > >> Which port are you using, serial or parallel? > > With a Draftmaster I? No, you got me. My mind had strayed forward to the HP DesignJets (large format ink jet printers) where a higher data rate was very useful, and back to several other manufacturers such as Watanabe (Graphtec) and a whole host of others. For some reason HP stuck with serial and HP-IB. I can't remember which was their first parallel plotter, maybe the electrostatic model (HP7500?) which could emulate a pen plotter using HP/GL or take semi vector data plus raster fills using HP-GL/2 and proper raster with RTL as well I think. Now that must be a rare animal now, and probably difficult to get consumables for. At least it never dropped ink on the floor, we still have big patches of yellow and magenta on the carpet in the office which leaked out from another electrostatic we borrowed to write a driver for. Very clever engineering which cut paper off a roll, wrapped it around a big drum, plotted the four colour passes and ejected the paper. It just got bored if you didn't use it for a few weeks and got incontinent. Can't remember the name.

19 years

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HP DraftMaster I

by feldman.r＠comcast.net

>From: "Ethan Dicks" <ethan.dicks at gmail.com> >Subject: Re: HP DraftMaster I >On 8/29/07, Fred Cisin <cisin at xenosoft.com> wrote: >> The usual problem is getting the right cable to connect it to the SERIAL >> port of the computer. Joe Campbell's "The RS232 Solution" will teach you >> what you need to know to make the cable. >I'd wager at first approximation, the usual difficulty is hardware >handshaking, or lack thereof. >> If you connect a serial device to the parallel port of the computer, you >> are likely to do some damage. >!!! >The fast way to turn Light Emitting Diodes to Smoke Emitting Diodes. ;-) >I've seen people toast parallel port dongles by stuffing them onto a >Mac-style DB25 SCSI port before, but I've only seen serial-parallel >confusion with the Amiga 1000, since they a) chose the opposite >connector gender from PCs (DB25M for parallel, DB25F for serial), >_and_ b) ran power over the serial and parallel connectors (along with >some unusual signals like clock and system reset) which _was_ handy >for, say, a host-powered voice-mail modem, but not so handy for trying >to attach an ordinary printer over a cheap PC cable. Watch out for some AT&T 6300 PCs that used a DB25 for the monitor cable and supplied power to the monitor (at least +12V) through the same cable. A good way to convert an LED into an EED (Epoxy Emitting Diode). As to the HP plotter, I think I have cabling instructions for using it with AutoCAD on a PC in my copy of the AutoCAD 2.18 setup manual. Bob

19 years

1
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building a machine room

by legalize＠xmission.com

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/>

19 years

5
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EPROM emulators (was Re: newbie building a scratch-built computer)

by ethan.dicks＠gmail.com

On 8/5/07, Brad Parker <brad at heeltoe.com> wrote: > If you're talking about eprom emulators, "back in the day" I used to > use a device called a "PROMICE". Got one of those myself. It's a verrrry niiice. ;-) > It was wonderful. I did a few different boot proms with one. Very handy. > It was made by (I think) Grammer Engine. Try www.promice.com. But > gosh, they do seem more expensive now that I remember... Yes... Grammar Engine makes the PromICE. I've known Arvind since before he made his first ROMulator (22 years ago). He was the design engineer for the COMBOARD-I, the first model of 68000-based HASP and 3780 engine from Software Results. Arvind's a great guy to work with, and makes solid products. If anyone on the list ever ends up with a PromICE, I think you'll be really satisfied with it. -ethan

19 years

6
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test - please ignore

by jwest＠classiccmp.org

Test, please ignore. Jay West

19 years

1
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SWTPC 6800 / 6809

by rborsuk＠colourfull.com

Hi All, I've decided to eBay my SWTPC 6800 system which was upgraded years ago to a 6809 CPU board. Complete with disk controller and bunches of memory (for the time). I just don't have the time to give it the TLC it needs. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=300146415357 Rob Rob Borsuk email: rborsuk at colourfull.com Colourfull Creations Web: http://www.colourfull.com

19 years

1
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Gooey rollers again.

by ajp166＠bellatlantic.net

> >Subject: Re: Gooey rollers again. > From: ard at p850ug1.demon.co.uk (Tony Duell) > Date: Wed, 29 Aug 2007 23:15:58 +0100 (BST) > To: cctalk at classiccmp.org > >> >and not end up the size or shape you expect. >> >> Actually is fairly easy once you know how. You need a lathe and a rotary >> grinder with the right wheel (correct abrasive). Rather than using the > >What you're describing is known as a 'toolpost grinder' over here. It's a >fairly standard (if expensive) lathe add-on. My description was for the non-machinist amoung us. > >> usual tool (cutting edge) you apply the grinder mounted on the cross peice >> so than you abrade away the urethane, silicone rubber or whatever flexible >> material is used. The process is slow but with care you get excellent >> results. Learned than from a machinest that was really good. > >It works very well (and it's usef for getting very accurate results on >metal too, you can take a much finer cut with a toolpost grinder than you >can with a normal lathe tool). Yep, I used to use that for post finishing oil hardend stainless steel parts. Heat can distort parts so some post finishing is needed for precision work. >Apart from the cost, the other disadvantage is that abrasive dust goes >everyway, including into the 'ways' of the lathe. If you don't clean it >out very carefully, you will do a lot of damage. If the roller (machined part) is rubber it can make a mess as well. When doing metals coolent was always used and that tended to wash abrasives down but rubber tended to clog the pumps and tubes. Major cleanup job. I used to get the opportunity to use the big Monarch lathe for that job as the head machinist knew if I wanted to use the vertical mill or anything for my projects I'd clean it to his specifications without complaint before and after. I rigged a vacuum setup to pick up the waste for him that worked well. Fair trade in my mind! Allison

19 years

1
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HP DraftMaster I

by padamsdesign＠mweb.co.za

Hi Me have a big problem connecting a plotter to a computer, no1 is able to help me. Hopefully you can. I have a draftmaster 7595A deeply appreciated if you would offer your help. From: Ambrose

19 years

5
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Tube or not Tube( is this the answer.)

by RodSmallwood＠mail.ediconsulting.co.uk

Hi All With regard to changing the tube in the VR201 and following the advice I had been given. I set about locating a replacement tube. I opened up half a dozen Dec and HP terminals. All with the same result. In all cases the EHT connector was on the short side of the tube and the tube had mounting lugs attached to a metal band arount the front of the tube. Contrast this with the VR201 which has the EHT connector on the long side and a wire frame arrangement to hold the tube in. Comments welcome Rod Smallwood The DecCollecctor

19 years

2
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DEC Rainbow Hard drive.

by RodSmallwood＠mail.ediconsulting.co.uk

Hi The MSDOS Hard Drive partition utility on the DEC Rainbow gives you two partitions( E and F.) There's no choice, that's what you get. However neither E nor F are on the boot list. So the question is "How do I set the partitions to C and D and make C: bootable?" Rod Smallwood

19 years

2
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Gooey rollers again.

by ajp166＠bellatlantic.net

> >Subject: Re: Gooey rollers again. > From: ard at p850ug1.demon.co.uk (Tony Duell) > Date: Wed, 22 Aug 2007 22:23:07 +0100 (BST) > To: cctalk at classiccmp.org > >> >> I picked up a nice Decision Data model 8010 keypunch machine through >> govliquidation. >> It looks to be in good shape EXCEPT some rollers have turned to goo. >> They act just >> like peanut butter, looks like it too. These are not simple round >> rollers but are tapered, >> and there are 16 of them in a complex arrangement. Any ideas on how to >> fix them? >> I guess I'm going to have to find some suitable plastic and turn them on >> a lathe. Probably >> beyond my ability. > >Turning flixible materials is not easy, the darn stuff tends to distort >and not end up the size or shape you expect. Actually is fairly easy once you know how. You need a lathe and a rotary grinder with the right wheel (correct abrasive). Rather than using the usual tool (cutting edge) you apply the grinder mounted on the cross peice so than you abrade away the urethane, silicone rubber or whatever flexible material is used. The process is slow but with care you get excellent results. Learned than from a machinest that was really good. The real trick is getting basic materials to make said rollers even if they are the wrong length and shape but larger. Allison > >I've heard that cooling it to dry ice temperature helps. Liquid nitrogen >is too cold, the stuff then behaves like glass and just shatters. > > >Another posibility would be to make a mould and cast new parts using one >of the 2-part synthetic elastomers. The name 'Devcon' seems to ring a >bell for this, maybe a google search will find something. There's a book >entitled something like 'How to cast small metal and rubber parts' that >covers this, it's aimed at the classic car restoration gugs, but the >principles should be the same :-) > >-tony

19 years

2
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Anyone got a small VAX going spare?

by lproven＠gmail.com

A few years ago, a friend of mine gave me a MicroVAX - I think a 3100. I never got round to doing anything with it, then he asked for it back, pending giving me a newer, better machine - but then his life went a bit pear-shaped and he lost his entire collection, leaving me VAXless. It now emerges I have an urgent need to polish up my VMS knowledge, which is a good excuse. I was thus wondering if anyone in England - ideally, around the SE - had any spare VAXen they might part with for an impoverished fellow-hobbyist? I don't really need disks - I have a small stockpile of SCSI drives and maybe even some ESDIs somewhere. It does need to be otherwise running, though. I have SCSI CD-ROMs available and a Hobbyist CD somewhere. In the meantime, I'll try SIMH, but I'd much prefer real hardware if possible. In an ideal world, I would really love an old VAXstation. I used to rather like DECwindows and would love to play with it again... -- Liam Proven ? Profile: http://www.linkedin.com/in/liamproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AOL/AIM/iChat: liamproven at aol.com ? MSN/Messenger: lproven at hotmail.com Yahoo: liamproven at yahoo.co.uk ? Skype: liamproven ? ICQ: 73187508

19 years

7
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DEC Rainbow Hard drive.

by RodSmallwood＠mail.ediconsulting.co.uk

Thanks ... 60 year old brains forget more than they remember. Needless to say it all came back to me and now it boots off the hard drive just fine. Thanks Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Jeffrey Armstrong Sent: 29 August 2007 14:14 To: cctalk at classiccmp.org Subject: Re: DEC Rainbow Hard drive. > The MSDOS Hard Drive partition utility on the DEC Rainbow gives you > two partitions( E and F.) There's no choice, that's what you get. > However neither E nor F are on the boot list. > So the question is "How do I set the partitions to C and D and make C: > bootable?" On a Rainbow, drives C and D always refer to the third and fourth floppy drives. Your hard drive is set up properly right now. To boot from the hard drive, you'll need to choose 'W' for Winchester hard drive at the boot menu. If you are using a Rainbow 100-A, this option is not present in the boot menu, and you're out of luck as far as booting to the hard disk is concerned (I beleive). If you have a 100-B or 100+ (which is just a B anyway), The W option should be present on the main menu. SImply select W and another menu may or may not appear allowing you to choose which partition to boot from. You can quickly tell if you have a 100 A or B by either: 1. Looking at the model number on the back of the unit near the power plug (PC-100-A is a Rainbow 100 A, PC-100-B or -B2 is obviously a Rainbow 100 B) 2. Looking at the firmware version on the boot menu ( Version 4.XX or less is a Rainbow 100 A, Version 5.XX or higher is a 100 B). Hope this helps! -Jeff jba at sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org

19 years

1
0
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INS4004D in Pro-Log M900 PROM Programmer

by dm561＠torfree.net

---------------Original Message: Date: Wed, 29 Aug 2007 10:19:06 +1000 From: "river" <river at zip.com.au> Subject: Re: INS4004D in Pro-Log M900 PROM Programmer Hi, <snip> Of course, I could get side-tracked and just use my expanded AIM65 system - as it has all the monitor/debug software, enough IO ports and the built in display...... ;) <snip> Seeyuzz River ------------Reply: As a matter of fact, the AIM is perfect for programming 2716 & 25/2732 EPROMs; the 24V printer supply is OK for Vpp (and the printer also comes in useful) and of course there's RS-232 for up/down-loading. With an adapter you could even do larger EPROMS 32K at a time. The first thing I did with my first AIM was to homebrew some battery-backed RAM (no Dallas NVRAMs in those days) and an EPROM programmer: an 8212, a ZIF socket and a switch to turn Vpp on/off is all I used, and it plugs nicely onto the expansion connector. I still use the AIM for reading and/or editing ROM images, although better programmers have taken over that function. Later Rockwell also published schematic and software for an EPROM burner add-on, but it had a few more parts than my minimalist version. m

19 years

1
0
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Tektronix 4002 Terminal found

by Arno_1983＠gmx.de

Here is the card inventory of my terminal: (left card cage front-to-back) TC1 Keyboard Logic TC2 Output Data Selector -- empty slot -- TC4 Scratch Pad Control TC5 Scratch Pad -- empty slot -- TC7 Control Function Decoder TC8 Char Rotor Bypass TC9 Y DA TC10 Y Data Register TC11 IN OUT Data Routing TC12 X Data Register TC13 X DAC TC14 Internal Data Routing TC15 Scan Control TC16 Char Gen Mem -- empty slot -- TC18 Plot Control TC19 I/O Control (right card cage front-to-back) Parallel to Serial Converter Serial to Parallel Converter TTY Port Timing TTY Port Level Conv. (the ejector tabs of the last two boards are yellow and have the words "Do not remove card with power on" on them). The cards all seem to be coded with gaps between their contact fingers so they can't be installed backwards or into the wrong slot. I think I can risk the guess that the missing cards would carry the designations TC3, TC6 and TC17. David Gesswein <djg at pdp8.net> wrote: > I have the 4002A drawer unit and keyboard maintenance manual. I don't > have the monitor manual. I also have the 611 monitor manual. Not sure > how close either will be to your unit. The 4002A looks similar to the > picture online. It will be a couple weeks before I can scan them if they > are useful. The 4002A maintenance manual should be correct for my unit (it has that designation on the back). Thanks for offering to scan it, it would of course be nice to have it available in digital form. If the missing cards are necessary for the operation of the terminal, I'm afraid I won't be able to do much about it in the foreseeable future. So long, -- Arno Kletzander Stud. Hilfskraft Informatik Sammlung Erlangen www.iser.uni-erlangen.de GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS. Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail

19 years

1
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DEC Rainbow Hard drive.

by jba＠sdf.lonestar.org

> The MSDOS Hard Drive partition utility on the DEC Rainbow gives you > two partitions( E and F.) > There's no choice, that's what you get. However neither E nor F are on > the boot list. > So the question is "How do I set the partitions to C and D and make C: > bootable?" On a Rainbow, drives C and D always refer to the third and fourth floppy drives. Your hard drive is set up properly right now. To boot from the hard drive, you'll need to choose 'W' for Winchester hard drive at the boot menu. If you are using a Rainbow 100-A, this option is not present in the boot menu, and you're out of luck as far as booting to the hard disk is concerned (I beleive). If you have a 100-B or 100+ (which is just a B anyway), The W option should be present on the main menu. SImply select W and another menu may or may not appear allowing you to choose which partition to boot from. You can quickly tell if you have a 100 A or B by either: 1. Looking at the model number on the back of the unit near the power plug (PC-100-A is a Rainbow 100 A, PC-100-B or -B2 is obviously a Rainbow 100 B) 2. Looking at the firmware version on the boot menu ( Version 4.XX or less is a Rainbow 100 A, Version 5.XX or higher is a 100 B). Hope this helps! -Jeff jba at sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org

19 years

2
1
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Kenbak Assembler Available

by grant＠stockly.com

Since I had a Kenbak I decided I wanted an assembler for it. It gets pretty annoying writing code by hand... I spent a while researching and found it would be a pretty big deal to write one from scratch. I found "AS" and have written a target code file for the KENBAK. It is still in beta, however so far it works perfectly. The only thing left to do is WARN people when they do something stupid. I designed the mnemonic set for maximum flexibility and readability. As you can see my include file has the parameters in long hand. ; ) Its a goal of mine to get these into schools. I think this assembly language would be pretty easy for someone who has studied basic or C. What do you think? Here is sample output from the assembler building a program from the Kenbak Laboratory Exercises manual. Its the first one in the book. (I threw in NOOP and HALT at the end for fun) I converted the octal listing into opcodes, and then reassembled it. I get the same results. ; ) I've e-mailed the author about including the Kenbak code generator in the distribution and asked if he could add a command line option for using octal in the program listing instead of HEX. ; ) If he won't, I WILL! Let me know what you guys think... Anyone here have a Kenbak? If not, and you want one...I've got a few spots left. : ) http://www.kenbakkit.com Before I include the program listing, here are all of the possible instructions. This 132 IC TTL computer is purely amazing... [ADD/SUB/LOAD/STORE] [Addressing Mode], [Register], [Address] [OR/AND/LNEG] [Addressing Mode], [Register] [JPD/JPI/JMD/JMI] [Register], [Condition], [Address] SET [0/1], [Position], [Address] SKIP [0/1], [Position], [Address] BSHIFT [Direction], [Places], [Register] ROTATE [Direction], [Places], [Register] NOOP (no parameters) HALT (no parameters) macro assembler 1.42 Beta [Bld 55] (i386-unknown-win32) (C) 1992,2007 Alfred Arnold 68RS08-Generator (C) 2006 Andreas Bolsch Mitsubishi M16C-Generator also (C) 1999 RMS XILINX KCPSM(Picoblaze)-Generator (C) 2003 Andreas Wassatsch TMS320C2x-Generator (C) 1994/96 Thomas Sailer TMS320C5x-Generator (C) 1995/96 Thomas Sailer KENBAK-1 TTL Computer Assembler (C) 2007 Grant Stockly WARNING: KENBAK code generator still in beta AS V1.42 Beta [Bld 55] - source file ./a/ken.asm - page 1 - 8/29/2007 0:00:48 assembling ./a/ken.asm PASS 1 1/ 0 : page 0 2/ 0 : cpu KENBAK 3/ 0 : include kenbak.inc 22/ 0 : listing on 23/ 0 : 4/ 0 : 5/ 4 : ORG 004o ;First non-special address 6/ 4 : 7/ 4 : Loop: 8/ 4 : 03 01 ADD Constant, RegisterA, 1 9/ 6 : 1C 80 STORE Memory, RegisterA, Lamps 10/ 8 : E4 04 JPD Unconditional, Zero, Loop 11/ A : 12/ A : 00 HALT 13/ B : 80 NOOP AS V1.42 Beta [Bld 55] - source file ./a/ken.asm - page 2 - 8/29/2007 0:00:48 symbol table (* = unused): ------------------------ *ARCHITECTURE : i386-unknown-win32 - | *BIGENDIAN : 0 - | *BRANCHEXT : 0 - | *CASESENSITIVE : 0 - | CONSTANT : 3 - | *CONSTPI : 3.141592653589793 - | *DATE : 8/29/2007 - | *FALSE : 0 - | *FULLPMMU : 1 - | *HAS64 : 1 - | *HASDSP : 0 - | *HASFPU : 0 - | *HASPMMU : 0 - | *INDEXED : 6 - | *INDIND : 7 - | *INDIRECT : 5 - | *INEXTMODE : 0 - | *INLWORDMODE : 0 - | *INMAXMODE : 0 - | *INSRCMODE : 0 - | *INSUPMODE : 0 - | LAMPS : 80 - | *LISTON : 1 - | LOOP : 4 C | *MACEXP : 1 - | MEMORY : 4 - | *MOMCPU : EBA - | *MOMCPUNAME : KENBAK - | *NEGATIVE : 5 - | *NESTMAX : 100 - | *NON_ZERO : 3 - | *PACKING : 0 - | *PADDING : 1 - | *POSITIVE : 6 - | *POSITIVE_NON_ZERO : 7 - | REGISTERA : 0 - | *REGISTERB : 1 - | *REGISTERX : 2 - | *RELAXED : 0 - | *TIME : 0:00:48 - | *TRUE : 1 - | UNCONDITIONAL : 3 - | *VERSION : 142F - | ZERO : 4 - | 44 symbols 37 unused symbols AS V1.42 Beta [Bld 55] - source file ./a/ken.asm - page 3 - 8/29/2007 0:00:48 codepages: ---------- STANDARD (0 changed characters) 0.01 seconds assembly time 36 lines source file 1 pass 0 errors 0 warnings

19 years

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INS4004D in Pro-Log M900 PROM Programmer

by ajp166＠bellatlantic.net

> >Subject: Re: INS4004D in Pro-Log M900 PROM Programmer > From: "Ethan Dicks" <ethan.dicks at gmail.com> > Date: Tue, 28 Aug 2007 14:16:18 -0500 > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > >On 8/27/07, dwight elvey <dkelvey at hotmail.com> wrote: >> From what I've seen in the spec sheets, one would just use >> a slightly modified 2716 socket of any machine. A few lines >> of code should be enough. No special voltages, just special >> sequences. All easily handled in software. > >My recollection is that the 2716 needs something like 21V or 26V on >the programming pin. As for a modified socket, I have an old "Z-80 >Starter Kit" SBC that happens to have a built-in EPROM programmer on >one of the three ROM sockets. There's a toggle switch to disconnect >the programming voltage, but once enabled, you simply write to the >address range of that EPROM socket, and after the data are presented >to the ROM, the circuit wiggles the programming pin to write the >EPROM. It also requires the "write pulse" to be 50milliseconds long. Write is accomplished by supplying VPP (12, 21 or 26V version dependent) then playing the OE/ and CE/ pins. Allison > >It would not be difficult, in principle, to add this feature to, say, >one of the empty ROM sockets on a PET, especially if you had an >external benchtop power supply injecting the programming voltage >(rather than generating it inside the PET housing). > >-ethan

19 years

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CBM-Jim Butterfield

by billdeg＠degnanco.com

While doing some reading today I found this ad http://vintagecomputer.net/commodore/Jim_Butterfield.jpg From Compute!'s Gazette September 1984 Bill D

19 years

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Biggest Onyx 2 rack configuration?

by legalize＠xmission.com

It seems that these Onyx 2 rack systems are pretty available. If I wanted to max out the system configuration, what's the theoretical max? I didn't even know they could gang 4 racks like the one I have. As I understand it, they subdivide a rack into "bricks" and then components (disk drives, graphics cards, etc.) plug into the brick. I believe the bricks are identified by a single letter code. Does anyone know of a reference for this sort of SGI stuff? I know SGI has manuals online, but it helps to know the specific manual to use as a starting point. The racks have an integrated power supply, so maybe they identify the amount of equipment per rack based on power consumption? -- "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/>

19 years

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INS4004D in Pro-Log M900 PROM Programmer (2716 programming)

by river＠zip.com.au

Hi, The 2716 requires the following signals/voltage for programming:- Read Operation /EP (Pin 18) => Logic 0 /G (Pin 20) => Logic 0 Vpp (Pin 23) => +5V DC Program Operation /EP (Pin 18) => Logic 0 to Logic 1 50mS (approx) pulse, per location to be programmed /G (Pin 20) => Logic 1 Vpp (Pin 23) => +25V DC Verify Operation /EP (Pin 18) => Logic 0 /G (Pin 20) => Logic 0 Vpp (Pin 23) => +25V DC or +5V DC To program one, the sequence is... 1 - Raise Vpp to +25V DC 2 - /EP at Logic 0 3 - Raise /G to Logic 1 4 - Supply Address information 5 - Supply data information 6 - Provide a Logic 0 to Logic 1 45-55mS pulse on /EP 7 - Drop /G to Logic 0 8 - Read data to verify the contents 9 - Get next address location, and go back to step 3 Do this for the required locations you want to program/verfiy. When finished burning/verifying the 2716, you can drop Vpp back to +5V DC for normal read operations. Seeyuzz River

19 years

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INS4004D in Pro-Log M900 PROM Programmer

by river＠zip.com.au

Hi, I got two M900 programmers. One works, but the other one doesn't. I only have the 2716 module for them, which is good, but I do not know where you can get other personality modules for them. I use a Microprofessor that has the EPROM Burner expansion for burning my EPROMS. However, I am currently designing my own EPROM burner so I can do 2708 and 8755A chips. I was going to make it all fancy-pants where it would do all the right programming voltages and address translations (for different address pin locations on different chips) etc, but I think it would be easier to make my own "personality modules" which will ease the hardware design. The chips I need/want to program are 2704, 2708, 2516, 2716, 2732, 2732A, 2532, 2564, 2764, 27128, 27256, 2816 and 8755A. I have checked out the capabilities and prices of current EPROM burners, but they are far too expensive for what I want, do much more than I need, and they usually do not do the 2704/8 or 8755A without an expensive personality module. So, in light of my enjoyment in building old computers, I'm building a complete system just for the fun of it and to burn EPROMs for me. As the 2708 uses a few voltages, I decided to use a CPU that also requires a few voltages - the 8080 chip. So, it will be an 8080 system, running 40K of RAM, 8-16K of ROM, a pair of 8255 for EPROM signals (plus extra logic etc as required), an 8251 for comms, and I may even hook up an LCD so I can use it without requiring a terminal. Of course, I could get side-tracked and just use my expanded AIM65 system - as it has all the monitor/debug software, enough IO ports and the built in display...... ;) I could always mod some of my older boards that use 2708 chips to use 2716 chips, but I like the historical accuracy of 2708 devices - and I've got quite a few in stock. Seeyuzz River

19 years

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Catweasel Definitions (WAS: Catweasel Northstar Project)

by lynchaj＠yahoo.com

>While I cannot help you with the catweasel northstar project, I do know >that at least the linux cwtool toolkit is missing a number of disk >definitions which are very useful and common. >It does NOT normally support: >SSDD 5.25 8 sectors/track 160k >SSDD 5.25 9 sectors/track 180k >DSDD 5.25 8 sectors/track 320k >SSHD 3.5 18 sectors/track 720k <- very unusual format >SSHD 5.25 15 sectors/track 600k [snip] Thanks Jonathan, Those definitions you mentioned are all soft sector MFM encoded formats, I believe. I suspect cw2dmk will already decode those since they have the necessary sync marks, etc. Have you tried cw2dmk? It can extract dmk images from any FM, MFM, or RX02 encoded soft sector disk. It is good thing you are doing to add capability to the Linux cw driver for more formats. Thanks for doing that. The more Catweasel support of any kind, the better it is for everyone. Unfortunately, writing software for the Catweasel to make images of NorthStar hard sector format is an entirely different creature altogether. The NorthStar controller has its own unique sync sequence which makes the disks incapable of being read by NEC 765 or derivative FDCs. As a result, it requires entirely custom software to decode. Thank you to those individuals who have been of invaluable help to me in getting this far with the project (you know who you are!). Here is a bit of technical background on the problem from the NorthStar floppy disk controller. The NorthStar double density sync sequence is 32 $00's followed by $FB, another $FB, 512 bytes of data, and then a one byte checksum. The single density sync is similar. The NorthStar timing sequences is based on the ten sector holes and one index hole. I found the index hole because it is between two sector holes. The sequence is something like this: Gap 1 24 mS Gap 2 24 mS Gap 3 12 mS <- index hole passed by Gap 4 12 mS <- start of sector 0 Gap 5 24 mS . . . Gap 11 24 mS My prototype code is currently two parts: the first is a modified utility to make a raw image, and the second is another utility which extracts the data >from the bit sequence. I can make images with my code but it is only in the "proof of concept" stage. It is way too crude for a general release and that is why I am asking for some volunteers to help (re)write it and test it to bring the code up to some reasonable level of decency before any release. Here is a sample dump from the imaging tool of a disk. It is the NorthStar DOS 5.0 Double Density boot disk. It is the one which comes with the Dave Dunfield NorthStar Horizon simulator and tool set. I created an actual boot floppy on my Horizon and used my Catweasel station to create the image. http://www.geocities.com/lynchaj/out3.zip >OP: Sending the original request message 3 times was unnecessary. I entirely agree and I apologize for sending multiple posts. Believe me, it was not my plan for three postings. I first posted Thursday last week but my messages did not show up in the archive until today for some unknown reason. I read the list by reading the archive of messages and I thought my messages were going into the bit bucket. I suspect the cctech mailing list was having some sort of problem. Sorry for the repeats. Thanks! Andrew Lynch

19 years

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newbie building a scratch-built computer

by starbase89＠gmail.com

Hello, everyone. My name is Joe, I am 17 years old, and live in central NJ. I would like to figure out how to build a retro-type computer, either from plans or from a kit. I am currently considering the Micro-KIM, as well as trying to build a mark-8. Not sure what I want to do. If anyone can help me along with this, I would be very appreciative. Thanks Joe

19 years

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holy crap, another Cat on ePay!

by chrism3667＠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. ____________________________________________________________________________________ Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

19 years

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Building my own classic style computer update

by ajp166＠bellatlantic.net

> >Subject: Building my own classic style computer update > From: "Joe Giliberti" <starbase89 at gmail.com> > Date: Thu, 23 Aug 2007 18:11:28 -0400 > To: cctalk at classiccmp.org > >>SNIPPAGE>>> >of them I don't even know what they are, and some I cannot find online, >presumably because they are obsolete. Here's a partial list of them: >NEC D780C NEC version of Z80, fully compatable. >NEC D770008AC-6 NEC, may be an 8bit ADC. >NEC D4364C-15L 8x8k dynamic ram 150ns >NEC D8251AC USART, serial same as intel 8251A >NEC D449C 2kx8 CMOS static ram 450ns and two chip enables and retains data down to 2V in standby mode. >AMD AM9511A-1DC AMD arithmetic procesor >Sharp LH0081A >Sharp LH0082 I think these are Opamps or maybe line drivers. >Intel 8339 >Intel 8325 >Intel K3235001 Intel 83xx is likely a 1983 date code. The Kxxxxxx is a mask/date code for a rom based part. None of those cross to any part I can reference and my intel databook set is complete from 1977 through 1993. Those are likely "house numbers" if they are not date codes. Since no other rom parts were listed I'd assume they are ROMS. >Zilog Z8442BPS Z80 SIO, dual serial >Zilog Z8430BPS Z80 CTC, timer counter chip Allison

19 years

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Gooey TU58 rollers

by iamvirtual＠gmail.com

I am trying to get a Vax-11/750 machine up and running. It looks like the TU58 drive is suffering from the 'gooey roller syndrome'. I see that people have successfully used 1/2 inch (ID) Tygon tubing to replace the goo. Is there any specific type of Tygon tubing (eg. R3603, R2000, etc.) that is used? Thanks! --barrym

19 years

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Catweasel Definitions (WAS: Catweasel Northstar Project)

by jzg22＠drexel.edu

While I cannot help you with the catweasel northstar project, I do know that at least the linux cwtool toolkit is missing a number of disk definitions which are very useful and common. It does NOT normally support: SSDD 5.25 8 sectors/track 160k SSDD 5.25 9 sectors/track 180k DSDD 5.25 8 sectors/track 320k SSHD 3.5 18 sectors/track 720k <- very unusual format SSHD 5.25 15 sectors/track 600k I produced some simple definitions for these 5 modes (by hacking the msdos_dd_5.25 definition, which is DSDD 5.25 9 sectors/track) which will work for reading but are probably not good enough for correctly writing the disks owing to timing differences. Please email me if you want them. It DOES support: msdos_dd which is DSDD 3.5 9 sectors/track 720k msdos_hd which is DSHD 3.5 18 sectors/track 1440k msdos_dd_5.25 which is DSDD 5.25 9 sectors/track 360k msdos_hd_5.25 which is DSHD 5.25 15 sectors/track 1200k and a number of extended msdos_hd modes which use extra tracks and other tricks to achieve the following sizes: 1476k (82 tracks) 1494k (83 tracks) 1600k (20 sectors/track) 1680k (21 sectors/track) <- DMF format used by Microsoft for Win95 disks, among others 1722k (82 tracks, 21 sectors/track) 1743k (83 tracks, 21 sectors/track) 1760k (11 sectors/track, 1024 byte sectors) 1802k (82 tracks, 11-19 variable sectors/track, 1024 byte sectors) a couple variations of those are missing too: (82/83 20 sectors/track; 82/83 11 sectors/track 1024 byte sectors; 80/83 11-19 variable sectors/track 1024 byte sectors). It does not support the 1880k 2m or 1992k fdutils formats. It also supports a number of commodore, amiga, atari, and apple/mac modes, though probably not all of the possibilities. It also does not support the Sirius 1/Victor 9000 9-speed/rate-zone GCR 5.25 format, which probably will require adding an entirely new GCR mode to the source code. Both single and double sided versions of this exist. I can only test the single sided versions because head 1 is inoperable (blown/open? needs further testing, doesn't seem to either read or write) on my Victor 9000. I have not even attempted to write a definition or GCR code for this yet, and could use any assistance available. My goal is to get ALL of this stuff supported by the cwtool catweasel driver eventually. OP: Sending the original request message 3 times was unnecessary. -- Jonathan Gevaryahu jgevaryahu(@t)hotmail(d0t)com jzg22(@t)drexel(d0t)edu

19 years

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craigslist: Commodore PET - $25

by paulrsm＠buckeye-express.com

Seen on craigslist: Vintage 1970s Commodore PET working - $25. Located in Ann Arbor, Michigan USA (near Detroit). http://annarbor.craigslist.org/sys/406092686.html I can help with pickup and shipping if anyone here wants it.

19 years

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Any AS/400, twinax, old networking/telecom gear collectors near Roanoke Va 24012?

by oldcomps＠verizon.net

Greetings! I have a collection of older AS/400 parts, including what should be a complete system (I believe its a 9406-200?), plus several twinax printers and some terminals (including one or two color ones), plus some twisted-pair token ring networking bits and some older telecom gear. I'm going to try to sell this stuff, but the larger parts (the AS/400 is in two racks, a "9331 Disk Unit" and a "9406 General Purpose" rack both of which are about 6' tall), plus the 6262-T12 printer are so large and bulky that I'd prefer to not have to put them on a pallet to ship them anywhere. I've thought about parting them out instead or just hauling the lot off to the local electronic recycling company, or finding out if there's anyone on this list that could pick them up. I have two other IBM racks of the same basic type as the AS/400's that have been stripped of the power strips and interior foam; these have a little spot rust on the outside but if someone needs one or both of them they'd be available. They're deeper than most rail systems I've seen can accommodate so using them for rackmounts requires extensions to be made or purchased for the rails. I also don't think they have their doors anymore. So - is there be anyone more or less local to me that would be interested in the large bits? Is anyone on the list needing baluns or twinax cables? I've got lots of those and if you need some I would be willing to ship them prepaid for a small fee to cover my gas to get them out. I have the "MULIC" tape for it around here somewhere but I parted with all of the other tapes some time ago - mostly to Red "Bear" Stricklin on this list. It does have two EMC raid arrays which I presume work. Caveat: I'm an AS/400 ignoramus. I can provide descriptions and pictures of things but what some of this does is beyond me. It all should work, to my knowledge it was working when I purchased it, but I do know that the AS/400 was connected to a more modern smallish AS/400 and part of the system I have was no longer in use. Contact me off-list if you're interested for a list. I hope to have a website up sometime soon with a list of the parts I've got. -- Frank ------------------------- ------------------------------------------------------------------------- C. Frank Helvey email: cfhelvey at yahoo dot com President home phone: 540.947.2526 Montvale Software Services PC work phone: 540.947.5364 Blue Ridge, VA 24064 cell phone: 540.529.3740 Classic Comps Email: oldcomps at verizon dot net

19 years

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Looking for an UCSD-pascal & Apple-II loan (Zurich)

by jos.dreesen＠bluewin.ch

I would need access to a floppy based, UCSD-Pascal capable, Apple-II for a couple of months . This is to assist in trying to get diskimages from my ETH Lilith. Anyone in the Zurich, Switzerland area that could help out ? Current Lilith status : Microcode proms saved, Schematics ca. 70% ready, disk access still very temperamental, the Kermit that is present on one of the disks is missing some libraries... The middle mouse button seems to be broken, and is required for editing files.... But the Pacman implementation is great ! Jos Dreesen

19 years

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Repairing LA50.

by trasz＠FreeBSD.org

I've got an LA50-RB printer I'd like to get to work. After powering on the "Power" light goes on, then, after about two seconds, "Fault" light starts flashing. Printer produces no audible sounds, nothing moves. Any idea where to start? -- If you cut off my head, what would I say? Me and my head, or me and my body?

19 years

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INS4004D in Pro-Log M900 PROM Programmer

by dkelvey＠hotmail.com

> Date: Mon, 27 Aug 2007 14:43:53 -0600> > Glen Slick wrote:> > If you just need to program 2716's you could pick up a BP Microsystems> > EP-1 for less than $20 off of eBay.> And what if you don't use ebay?> Anyhow the point is fix it -- not toss it out.> All I want programed is 28C16's EEPROMS and I can't find a> low cost burner for that around.> IF COST .LE. $100 THEN CALL SPEND_IT(INCOME)> Ben alias Woodelf> Hi From what I've seen in the spec sheets, one would just use a slightly modified 2716 socket of any machine. A few lines of code should be enough. No special voltages, just special sequences. All easily handled in software. Dwight _________________________________________________________________ Recharge--play some free games. Win cool prizes too! http://club.live.com/home.aspx?icid=CLUB_wlmailtextlink

19 years

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INS4004D in Pro-Log M900 PROM Programmer

by roger.holmes＠microspot.co.uk

> Date: Mon, 27 Aug 2007 16:53:00 -0600 > From: woodelf <bfranchuk at jetnet.ab.ca> > That is what is frustrating at the moment, the few designs I have seen > on the web is about 3 chips and a zip socket.But alias the only low > cost > one I have seen is from the UK, and the VAT and shipping will kill me. Shipping is indeed a problem, but you are outside the European Union, you should not be charged VAT.

19 years

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(no subject)

by dave＠mitton.com

> Date: Fri, 24 Aug 2007 21:10:17 +0100 > From: "Rod Smallwood" <RodSmallwood at mail.ediconsulting.co.uk> > Subject: RE: DEC switch handles > > Just a thought .. > Wouldn't the model making fraternity have this kind of problem all the time.? > There must be a way to make a mould using an existing part as the template. > > Rod Ask the right question, and the neurons awake from lurking and respond.... Yes, the keyword you want is "resin casting". Google "DIY resin casting" got me a bunch of good hits. Typically small parts molds (either a actual or built prototype) can be made using RTV rubber and cast using an urethane resin. Search using some of those terms and you should be able to find some good instructions. Here is a commercial kit, the seller is not the lowest cost around, but reliable. http://www.micro-mark.com/ Look at product # 82698 There is a reprint article from Model Railroader on fabricating a duplicate of an old out-of-manufacture Lionel bridge grider. http: //www.micromark.com/html_pages/instructions/82708mrrresinart.pdf Dave. (an MIT TMRCie)

19 years

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newbie building a scratch-built computer

by classiccmp＠memory-alpha.org.uk

Hi, > Case? What case? Are you sure you're not thinking of a >Softy-II? > > The original Softy is a bare PCB, remarkably similar in >form-factor to the MK14... Hmm, quite possibly. The one I recall seeing pictures of in Practical Electronics was the same size as a ZX-80, and in fact appeared to be in a remarkably similar case (the upper part of the case was rather different). It also used a standard UHF TV set as its display. Oddly, Google doesn't turn up anything at all regarding the Softy or Softy-II (well, other than a link to a PCW archive site which mentions reviews of the two units from 1980 and 1982, but doesn't actually have the reviews available....). Even the "DataMan" site only goes back as far as the S3! :-( TTFN - Pete.

19 years

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SCSI/IDE laptop adapters

by mouse＠Rodents.Montreal.QC.CA

(I'm sending this to five lists, the five lists that I think most likely to have an interest in such a thing - ie, the ones most likely to be using machines built during the era when SCSI laptop disks were popular enough to be used. Since followup discussion on some lists is likely to go in directions not appropriate for other lists, I've set a Reply-To: address which is a bitbucket; please fix it if/when you reply, to send to just the list appropriate for your reply.) I have a SPARCstation Voyager, which unfortunately has a fairly small disk (773 MB). But this machine uses SCSI disks and has space for only a laptop-form-factor drive (well, unless you want to go external, which is rather suboptimal). I understand there are other machines in the same boat, such as some Mac laptops (I don't know whether they're PowerPC or 68k - or perhaps some of each - which is why I'm sending to both the macppc and mac68k NetBSD lists.) I did some searching and found there was a company that made an adapter that fit next to a modern (thin) laptop drive, so the result was a somewhat thickish "disk" that still fit within the old laptop form factor - but which spoke SCSI to the host even though the disk was IDE. Most of them were fairly expensive, but there was one that looked reasonable. The vendor that was said to carry it, though, no longer does (I phoned them and asked), so I wrote to the manufacturer. They offer to sell them to me at US$65 apiece, quantity 10. I'm willing to pay that rate, but I have no need for more than maybe two. So I'm wondering if people would be interested in buying these off me (at my cost, which probably means about USD 70 including shipping, at least within US48+CA). The device in question is the Century CHB25INT, as described in http://online.century.co.jp/BittradeTest/e_shop/chb25int.html. /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse at rodents.montreal.qc.ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B

19 years

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Eclipse MV/7800-U Mini Advice?

by William.Hensley.ctr＠Eglin.af.mil

Do you still have your 7800? Need more info? Ron

19 years

1
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CBM-Jim Butterfield

by dm561＠torfree.net

The CBM aficionados on this list no doubt all know the name Jim Butterfield and that he passed away in June; here's another little tidbit to add to his bio. Also see: http://en.wikipedia.org/wiki/Jim_Butterfield m ----- Original Message ----- From: <sbolton at gmail.com> Newsgroups: comp.sys.cbm Sent: Tuesday, August 28, 2007 10:49 AM Subject: Jim Butterfield Memorial Tribute in Globe and Mail There is a tribute to Jim Butterfield in today's (August 28, 2007) Globe and Mail. Although this link won't remain active long, you can see it online here as well: http://www.theglobeandmail.com/liveslived For those that can't get the tribute, I have reposted the text here. For those that keep asking, the official memorial HAS NOT BEEN ANNOUNCED yet but it will happen and I will let you know when it does. ================ August 28, 2007 (Globe and Mail) FRANK JAMES (JIM) BUTTERFIELD Husband, father, pioneer of personal computing. Born Feb. 14,1936, in Ponoka, Alta. Died June 29 of lymphoma in Toronto, aged 71. by DIANE MCKELVEY Jim Butterfield was the third of four children born to James and Nancy Butterfield; they were originally from England, but moved to Alberta to try farming there. Jim attended the University of Alberta and the University of British Columbia, but he soon realized he was more interested in the Radio Society than in the curriculum. He never finished his degree. In 1957, Jim accepted a job in Whitehorse training technicians who maintained the new microwave system built along the Alaska Highway. >From the first, he demonstrated a gift for teaching. Jim was transferred to Toronto in 1962. Soon he had moved out of the world of microwaves and transistors and, in 1963, began work on the very large computers that were just coming into use. Jim had also begun a second career as a writer and educator on computers. He was intrigued with the microcomputers that started to arrive in 1976 and was soon publishing programs for games and utilities for a number of models. He became a regular contributor to computer magazines and published several successful books He left his day job in 1981: rumour has it he was fired after telling his boss that personal computers would one day wipe out the private wire teleprinter business. Before leaving, however, he made one important connection - his wife, Vicki. Jim's first interest was in Vicki's typewriter: It was top of the line and could type the symbols used for electrical terms such as the ohm. When Vicki asked what the heck that thing was anyhow, Jim came back with a hand-drawn picture of an ohm sitting on top of a stove, which he said was "an ohm on the range." How could she resist? Jim's life took a significant turn in 1988, when his daughter Susannah was born. Embracing fatherhood at age 52, he immensely enjoyed sharing his love of books, restaurants and travel with his young daughter. Never stodgy, Jim enjoyed many a beer with friends at the Toronto Naval Club. He had a sense of humour - one neighbour remembers a telephone conversation in which both Jim and she remarked on how the meow of a Siamese cat had a similar sound to a bagpipe. During the course of the conversation, this eventually led to each holding their Siamese cat under their arms like a proper bagpipe and gently squeezing to produce the requisite wailed duet. Jim was a dreamer and an entertainer, and nothing made him happier than to share his knowledge and enthusiasm with an audience - whether it was a group of machine language programmers or a curious child. (Diane McKelvey is Jim's niece.)

19 years

1
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Building my own classic style computer update

by ajp166＠bellatlantic.net

> >Subject: Re: Building my own classic style computer update > From: "Chuck Guzis" <cclist at sydex.com> > Date: Thu, 23 Aug 2007 19:21:52 -0700 > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > >On 23 Aug 2007 at 17:20, Mr Ian Primus wrote: > > >> > Zilog Z8442BPS >> Serial I/O controller >> >> > Zilog Z8430BPS >> Counter timer circuit > >It's been a long time--but didn't the "vintage" chips have legends >such as "Z80-SIO" and "Z80-CTC" as well as "Z80-CPU"? I liked that >convention--didn't leave much to the "I wonder what the heck this >chip does" mindset. Varied from time to time. Early on that was the case, as ZILOG moved into a greater variety of parts and then CMOS they needed to have part numbers that wer more unique so the Z80-SIO became 844x (X=1,2,3,4 for bond options) and later 84C4x for the cmos versions. Allison

19 years

1
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INS4004D in Pro-Log M900 PROM Programmer

by sellam＠vintagetech.com

Brent Hilpert sayeth: > I've had a few problems with mine, mostly failing semiconductors, all of > which have been unusual and difficult to replace/substitute, although I > was quite pleased when I found the 4004 inside. I'll say. It's basically a 4004 microcomputer system in there, so it's no surprise the support chips have been hard to track down. > I presume you have the manual, which has the schematic and a listing of > the base code firmware. Yes. > I suppose it's conceivable the 1702 firmware EPROMS are losing their > contents. I didn't consider that possibility and don't want to :) But it might be correct. These are pretty old by now. > I have taken dumps of the contents of the ones in mine, if of interest. I have another I can try out. But yes, I would probably want to re-burn the EPROMS if they have rotted out. > (Is this a new toy or something you know was working? Also, out of > interest, which personality module do you have plugged in?) A new toy, but I assumed it worked. I hope the other one is good at least. This one has the 2716 plug-in, which is perfect because that just happens to be what I need it for currently. When I pull the other one I'll let you know what module it has. I believe I have also an 800 model, something like that, but a third unit for sure. > If you haven't used the unit before, you do have to press one of the > LIST/DUP/VER/COPY keys initially to get anything to display on the hex > LEDs (initially blank on power-up), although I expect you've banged on > all the keys already. Oh yes, they got thoroughly exercised. > IIRC, some of the communication adapters if plugged in (serial&parallel > D plugs) may cause the unit to appear hung. Interesting. But nothing is plugged into those. Interestingly, the serial interface is current loop, for interfacing to a TTY. That feature really dates these things :) > If all the power supplies levels are OK I suppose the next thing would > be to 'scope for multiplex/keyboard scan activity to see if the > processor/firmware is functioning. Or just try the other and hope it works. I unfortunately don't have time for troubleshooting :( -- 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 ]

19 years

7
10
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DEC 3000/800 AXP boot problem

by mark＠wickensonline.co.uk

Hi, just a quick enquiry. I have aquired a DEC 3000 Model 800 AXP and have a boot problem. The system was booting about once every ten power ups. The status LEDs don't move in the case where the system checks do not 'kick in', they remain on '00'. I have cleaned the entire box and used contact cleaner on all connections, and re-seated the motherboard and IO module. Previously when the system did 'kick in' all tests completed correctly except the keyboard/mouse test. I am using a VT520 connected via an original DECconnect cable. I managed to install both OpenVMS 6.1 (the original disk received with the unit) and OpenVMS 8.3 (although this didn't boot, but probably due to the fact that I selected DECnet but don't have any thick/thin cables connected). Sorry to be so long winded. So the question is, apart from reseating/ cleaning cables/connections, is there anything else I could check/test/ try? I have enough competence to measure voltages and possibly even power ripples and the like, but I don't have a logic analyser. Do the SROMs age at all? It is a standard x512 EEPROM. It has a sticker over the programming window (assuming it has one). Is there a battery backed module that could be causing intermittent problems? Additional information: I intermittently get the following error: ASIC ?? 002 0020 T-ERR-ASIC COREIO address = f0080280 data read = 0 data exp = aaaaaa Code 'EF' is displayed on the LEDs. Does this, and the 'not booting at all' indicate a problem with the SROM/EEPROM? I flashed it recently to version 7.0, the latest, but I think it was having this problem before it was flashed. Thanks, Mark.

19 years

1
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Catweasel NorthStar project

by lynchaj＠yahoo.com

I've started a project to use the Catweasel for making images of NorthStar hard sector disks. I have some working code. It is not ready for public release. Please contact me offline if interested in being a developer. The code is not available publicly at this time. Thanks Andrew Lynch

19 years

1
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WTD: Epson PF-10 Drive Utility Disk

by billdeg＠degnanco.com

I'm looking for a copy of the utility disk that went with the PF-10 disk drive, used with the Epson Geneva PX-8 laptop. Alternatively is there a ROM that has the commands to re-build a utility disk? Thanks. Bill

19 years

1
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Fwd: CS1000 Virtual Reality system for sale!

by aliensrcooluk＠yahoo.co.uk

No idea whether he is truely serious or not, but those interested should contact him (see below). Regards, Andrew B aliensrcooluk at yahoo.co.uk lamanchaoslo <lamanchaoslo at hotmail.com> wrote: To: Commodore_Amiga_Retro at yahoogroups.com From: "lamanchaoslo" <lamanchaoslo at hotmail.com> Date: Sun, 26 Aug 2007 02:30:16 -0000 Subject: [Commodore_Amiga_Retro] CS1000 Virtual Reality system for sale! I'm considering selling a 1000CS VR System. At the moment I have two machines that we are about to combine into one working machine. More on the machine here: http://www.amigahistory.co.uk/virtuality.html Please contact me for more info on the condition of the machines, offers etc.

19 years

5
5
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Diablo 620 Printer and RO Terminal

by compoobah＠valleyimplants.com

It is for sale/trade, and currently located in Renton, WA

19 years

3
2
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Model 100 tape archiving question

by rcini＠optonline.net

All: While cleaning up the shop I found a few Tandy Model 100 cassette tapes. What is the best way to archive them? I?d like to do two things ? first, make a reproducable copy. Second, have a data extraction so I can add support for them to the VirtualT emulator. Any ideas? Thanks. Rich -- Rich Cini Collector of Classic Computers Build Master and lead engineer, Altair32 Emulator http://www.altair32.com http://highgate.comm.sfu.ca/~rcini/classiccmp

19 years

4
4
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IBM 5294 Controller, IBM 5251 Display Station Model 12 with Keyboard and manual

by sttaylor＠charter.net

Any interest http://inlandempire.craigslist.org/sys/400141802.html

19 years

2
1
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*workstation* monitors

by chrism3667＠yahoo.com

I realize that these are the things least likely to get held onto, due to their mass and bulk, but if anyone should happen to have a large screen color or b & w monitor they're looking to get rid of, let me know. The b & w units were somewhat common on top of Macs, and any such thing would be uncommon on a peecee, particularly an early unit (< 48khz horizontal frequency) which is what I would want in the way of a color model. Reasonably good condition, and *reasonably* close to Pennsylhoma/New Jersey. I can't give specific models, but I'd happy to do the research if you can provide a model. ____________________________________________________________________________________ Pinpoint customers who are looking for what you sell. http://searchmarketing.yahoo.com/

19 years

6
8
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Looking to buy some parts to finish up restoring three older Suns...

by earl＠baugh.org

I'm looking for the following to finish up the work on some VME Suns. 1) 6 Screws for Sun VME chassis -- Hex ones for holding VME boards in the chassis 2) 2 of the thick plastic logos -- Sun 3/110 and Sun 4/110. The kind that were mounted to the 3 slot VME chassis. 3) The front plastic panel for a Sun 2/120 I've got some $$ for purchasing these, if I can find a source... Earl

19 years

1
0
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SCSI/IDE laptop adapters

by sw＠tiac.net

Hi, this message is a kludge to get through to der Mouse, but you-all may find it interesting. I have two of those Century CHB25INT adapters (but I'm not willing to sell one right now). See: http://www.tiac.net/~sw/2006/03/scsi_to_ata/index.html I paid about $100 for a single unit direct from Century.co.jp . Mouse, you sent me email about my SCSI/IDE adapter experience. My reply below is proceeded by the kind of bounce I got trying to send it: >From: Mail Delivery System <Mailer-Daemon at elasmtp-masked.atl.sa.earthlink.net> > mouse at Rodents.Montreal.QC.CA > SMTP error from remote mailer after initial connection: > host Sparkle-4.rodents.montreal.qc.ca [216.46.5.7]: > 550-I won't talk to 209.86.89.68 until 2007-08-25 17:05:48 UTC, because > 550 it keeps connecting and then not sending anything. >http://www.tiac.net/~sw/2006/03/scsi_to_ata/index.html gives your >address. I was looking for just such a thing, but for a SPARCstation >Voyager rather than an Apple laptop; this page looks very helpful. >Thank you. I haven't had perfect results with the adapter I talked about in that page. I was able to boot, copy 250MB files, etc., but invariably the computer would hang after a while (in a way it doesn't do without that disk installed). It could be The ATA disk The adapter design The particular adapter The driver I have installed, or its timing parameters Apple's SCSI implementation (has been buggy on me before) External SCSI Zip and/or CD drives I had plugged in at the same time. Mac OS 8.1 problem with big HFS+ partition? Some unrelated problem with this OS on this laptop?? The hang-up does seem to happen when using the disk, but then, that's all I was doing! Probably with more time or expertise I could narrow it down since I have two disks, two adapters, and multiple sources of drivers. Thanks for the SCSI details. No, I'm not sure about 66-pin SCSI. --Steve

19 years

1
0
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DEC switch handles

by bfranchuk＠jetnet.ab.ca

How many people need replacement switch handles for DEC switches? How many and what size and colors? I wonder if we can get the quantity needed and have a custom order made in china? Ben alias Woodelf

19 years

16
38
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Datapoint Yahoo mailing list

by aek＠bitsavers.org

For people interested in Datapoint, there is a mailing list, but it is not very heavily used. Unfortunately, it is moderated, and it may be several days before messages get approved. http://tech.groups.yahoo.com/group/DatapointComputers/

19 years

1
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Datapoint 1800 firmware listings

by aek＠bitsavers.org

I scanned a set of microcode and boot rom listings for the Datapoint 1800 over the weekend, along with some technical information on the later Datapoint machines under http://bitsavers.org/pdf/datapoint Hopefully, some more technical info on the later machines will surface. I think Jack Rubin mentioned that he had some.

19 years

1
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HP 264x firmware listing

by aek＠bitsavers.org

> There are several binders that cover tape, graphics, terminal, I/O and > so on. I can try to scan it if you like. That would be good to have scanned. I have machine-readable versions of the base firmware for the terminal. > I also have the complete > maintenance manuals for the terminal and interface boards, including > schematics, but they are difficult to scan due to the paper size. I have most of the manuals scanned (there were MANY options available for the 264x). The only practical way to scan the 11 x long sheets of schematics HP uses is with a wide sheet feed scanner (like the Ricoh IS520 or Kodak 2500d) and do it in overlapping sections.

19 years

1
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HP 264x firmware listing

by aek＠bitsavers.org

The GMD Reduction Machine used an HP 264x series terminal with modified firmware as an I/O device. Listings can be found at: http://bitsavers.org/pdf/gmd/reductionMachine/terminal Of particular interest is 2.file.pdf which appears to be firmware for controlling the tape drives.

19 years

2
1
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Vax-11/750 diagnostic tapes

by iamvirtual＠gmail.com

I am trying to get a Vax-11/750 running. I have a box of TU58 tapes that are marked 'diagnostic tapes'. The tapes appear to be used by Dec field technicians, since the tapes are marked 'Property of DEC'. The label on the first tape is as follows: BE-S0290-DE TU58 #1 11750 MICRO DPM PROPERTY OF DEC (C) 1981,83 What do I need to do to execute these diagnostics? Specific commands would be very helpful :-) I have not come across any references to these tapes in the limited documentation I have found. Do I need to boot from the console tape and then boot from the diagnostic tape? As you can probably tell, I am somewhat lost at the moment. I want to ensure the basic machine is running properly before I hook up a disk drive. I have a RDM card that is not currently installed. Is it better to use the diagnostic tapes, or, use the RDM card to detect hardware issues? PS. I am also fixing the gooey roller on the TU58 drive, what type of Tygon tubing do I need? ;-) Thanks! --barrym

19 years

1
0
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DEC RX02 Maintenance

by oldcpu2＠rogerwilco.org

[NOTE: My apologies for raising issue of magnetic media all over again, but I can never seem to get the search function to work on the archives, so the best I can do is depend on Google to have some of the old threads in it's DB. (Jay, this is not a criticism, I'm sure I'm doing something wrong, but in my two years on this list, I've never gotten anything out of the ht://Dig searcher, even with a simple word like 'diskette'.)] I've started to image the hundreds of RX0n diskettes I have acquired from various sources for cataloging and preservation. I'm using my real, live PDP-11/23PLUS with a dual-drive RX02 unit, and I've run into something I've never seen before. Recent discussion has gone over the reliability of magentic media pretty well of late, but frankly, I was very, very surprised to see several of these 8" floppies shedding the oxide layer and leaving a transparent ring (okay, I flipped the diskette over hoping spinning it the other way briefly would help) in the substrate I can see through! I was holding the diskette to the light to get a better look and discovered the oxide completely scrubbed off. Track 0 was clearly (pun intended) a goner, so I tried my fingernail (lightly) and could just flake the oxide off of the substrate. The brand is one I've never heard of, ANSCO, and gladly there are only a handful of this brand in my pile. I've heard about this problem, here and elsewhere, but I was not prepared to experience it myself! Anyway, the heads in the drives are now in serious need of cleaning, and I'll probably just dip a little isopropyl on a swap and see if I can get them clean. But I've now found a new problem. It looks like the little presser pad on my Drive 1 is missing on the top arm. That may explain why that particular drive is sometimes less reliable at reading and writing. Q: What's a good replacement material for the presser pad? Can I simply use a little bit of dime-store felt, or is there something more exotic that I should use? Also, since acquiring this system, and others, all with RX02 dual-drive units, I've notices some drives read more realiably than others, that is until I write to the diskette, then the landscape changes again, with respect to which drive will read that diskette reliably again. Q: Is there a source for 8" alignment diskettes? I recall one or two of the regulars on the list mentioning having them. Is there a way to make a duplicate? Or at least to format a diskette on a drive that's been through the alignment gig? It'd be nice to get my hands on one or the other. I'm happy to spring for postage and refreshment. Thanks. - Jared

19 years

1
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HP computers on Stargate SG-1

by Tim＠Rikers.org

So I'm watching old Stargate SG-1 episodes getting ready for the upcoming movies, and in a scene from Season 2 episode 20 titled "Show and Tell" I find: http://rikers.org/tmp/sg1hp.jpg Guess it's apparent why dialing the gate takes so long. They have not upgraded the computers since the 70s. Looks like an HP-2112 or 2113 to me. The hard drive below it is newer than my HP-7901 drives. I'm guessing HP-7905 or HP-7906. Anyone see any other vintage computers on the set? -- Tim Riker - http://Rikers.org/ - TimR at Debian.org Embedded Linux Technologist - http://eLinux.org/ BZFlag maintainer - http://BZFlag.org/ - for fun!

19 years

10
11
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INS4004D in Pro-Log M900 PROM Programmer

by dkelvey＠hotmail.com

> From: sellam at vintagetech.com> > The manual has a very good troubleshooting section. When I have some time > I'll try to find out what the problem is. In the meantime, I sure wish I > could get this Apple ][ Copman EPROM Writer card I've got working.> Hi Sellam The card can't be too complicated. Why not do a little reverse engineering on it. Dwight _________________________________________________________________ See what you?re getting into?before you go there http://newlivehotmail.com/?ocid=TXT_TAGHM_migration_HM_viral_preview_0507

19 years

1
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INS4004D in Pro-Log M900 PROM Programmer

by sellam＠vintagetech.com

Curious, I tried the other one I had and it didn't work with the 2716 module either. But when I tried it with the 2708 Gang module that it came wih it worked fine. Suspecting a bad module, I tried the 2708 Gang module in the first one but it didn't work with that either. So not only the 1st M900 I have is bad but so is the 2716 module that came with it. Doubly weird. The manual has a very good troubleshooting section. When I have some time I'll try to find out what the problem is. In the meantime, I sure wish I could get this Apple ][ Copman EPROM Writer card I've got working. -- 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 ]

19 years

1
0
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Apple ][ Copam EPROM Writer documentation?

by sellam＠vintagetech.com

Does anyone have the documentation for the Copam EPROM Writer for the Apple ][? It's got a ZIF socket on it and the software in ROM, but I am having trouble reading any EPROMs so I want to make sure I'm inserting them properly (the board and socket have no markings). Thanks! -- 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 ]

19 years

2
1
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INS4004D in Pro-Log M900 PROM Programmer

by sellam＠vintagetech.com

Not to cause a run on Pro-Log PROM programmers, but the M900 at least has an INS4004D microprocessor (National Semiconductor 4004 second source) at its heart. I only found out because I'm trying to figure out why this M900 isn't working and opened it. I re-seated all the chips, hoping for a quick fix, but no go. Are there any known, simple to fix faults on these? It powers up, power supply is good, no output on the LEDs other than transient voltage spikes on startup causing individual elements to momentarily light. Otherwise, no activity. -- 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 ]

19 years

2
1
0 0

Catweasel NorthStar project

by lynchaj＠yahoo.com

I've started a project to use the Catweasel for making images of NorthStar hard sector disks. I have some working code. It is not ready for public release. Please contact me offline if interested in being a developer. The code is not available publicly at this time. Thanks Andrew Lynch

19 years

1
0
0 0

Building my own classic style computer update

by fjkraan＠xs4all.nl

Somehow I missed the original, but this are my 2 cents; > Message: 6 > Date: Fri, 24 Aug 2007 23:52:47 +0100 (BST) > From: ard at p850ug1.demon.co.uk (Tony Duell) > Subject: Re: Building my own classic style computer update > To: cctalk at classiccmp.org > Message-ID: <m1IOi1N-000J3FC at p850ug1> > Content-Type: text/plain > > >> I have been scrounging for parts for my computer, and I believe I have hit >> the jackpot. A friend of mine set me up with some older Seiko control system >> boards, various revisions, from the late 80s. On them are many ICs, >> including RAMs, Z80 CPUs, and PIOs, as well as some AMD Arithmetic >> processors, a Z80 SIO/2, and other various components. I want to try to make >> my computer from these components. Can anyone point me in a good direction >> for the datasheets, preferably online, for these mostly obsolete ICs? Some >> of them I don't even know what they are, and some I cannot find online, >> presumably because they are obsolete. Here's a partial list of them: >> NEC D780C >> > > AFAIK it's an exact equivaletn of a Z80 CPU. I've never found a circuit > that works with one and not the other. > Nec states it is pin and software compatible in their 'Microcomputers 1983/1984' data book. > >> NEC D770008AC-6 >> > > No idea > Not in my databooks. > >> NEC D4364C-15L >> > > I guess that's a 64K*1 DRAM, similar to a 4164 > Static NMOS RAM 8k x 8 > >> NEC D8251AC >> > > Equivalent to the Intel 8251, National Semiconductor INS8251, etc. It's a > USART > > >> NEC D449C >> > > No idea > Static NMOS RAM 2k x 8 > >> AMD AM9511A-1DC >> > > AMD floating point chip > http://electrickery.xs4all.nl/comp/dai/doc/AM9511.pdf. If you decide not to use this part or has some spare, I am very interested. I still have a DAI computer with a socket waiting for such a chip (http://www.xs4all.nl/~fjkraan/comp/dai/index.html). > >> Sharp LH0081A >> A Z80 PIO clone >> Sharp LH0082 >> > > No idea > A Z80 CTC clone Fred Jan

19 years

1
0
0 0

Diablo 620 Printer and RO Terminal

by compoobah＠valleyimplants.com

The printer is back, cleaned, tested, and fully working with manual, 5 typewheels, and 7 carbon ribbons. Since I've put several hours into it, it's no longer free, but if anyone wants it make an offer.

19 years

1
0
0 0

tek 4002

by Arno_1983＠gmx.de

Okay, I have the manual now (a listmember kindly downloaded it and sent it to me, thanks again). However, one picture in there shows the cardcage (not very clearly or close-up, I have to add), but it looks like theirs has all slots populated. Either they used one which was fully tricked out with options, or mine is indeed missing some cards. I'll have a look what's in mine sometime next week. So long, -- Arno Kletzander Hilfskraft Informatik Sammlung Erlangen www.iser.uni-erlangen.de Psssst! Schon vom neuen GMX MultiMessenger geh?rt? Der kanns mit allen: http://www.gmx.net/de/go/multimessenger

19 years

2
1
0 0

Building my own classic style computer update

by starbase89＠gmail.com

I have been scrounging for parts for my computer, and I believe I have hit the jackpot. A friend of mine set me up with some older Seiko control system boards, various revisions, from the late 80s. On them are many ICs, including RAMs, Z80 CPUs, and PIOs, as well as some AMD Arithmetic processors, a Z80 SIO/2, and other various components. I want to try to make my computer from these components. Can anyone point me in a good direction for the datasheets, preferably online, for these mostly obsolete ICs? Some of them I don't even know what they are, and some I cannot find online, presumably because they are obsolete. Here's a partial list of them: NEC D780C NEC D770008AC-6 NEC D4364C-15L NEC D8251AC NEC D449C AMD AM9511A-1DC Sharp LH0081A Sharp LH0082 Intel 8339 Intel 8325 Intel K3235001 Zilog Z8442BPS Zilog Z8430BPS Thanks for any help

19 years

7
7
0 0

Building my own classic style computer update

by ajp166＠bellatlantic.net

> >Subject: Re: Building my own classic style computer update > From: ard at p850ug1.demon.co.uk (Tony Duell) > Date: Fri, 24 Aug 2007 23:52:47 +0100 (BST) > To: cctalk at classiccmp.org > >> >> I have been scrounging for parts for my computer, and I believe I have hit >> the jackpot. A friend of mine set me up with some older Seiko control system >> boards, various revisions, from the late 80s. On them are many ICs, >> including RAMs, Z80 CPUs, and PIOs, as well as some AMD Arithmetic >> processors, a Z80 SIO/2, and other various components. I want to try to make >> my computer from these components. Can anyone point me in a good direction >> for the datasheets, preferably online, for these mostly obsolete ICs? Some >> of them I don't even know what they are, and some I cannot find online, >> presumably because they are obsolete. Here's a partial list of them: >> NEC D780C > >AFAIK it's an exact equivaletn of a Z80 CPU. I've never found a circuit >that works with one and not the other. It is an exact bug for bug and hidden opcode match for Z80/MK3880. >> NEC D770008AC-6 You sure of that number? >> NEC D4364C-15L > >I guess that's a 64K*1 DRAM, similar to a 4164 Might be mask rom if 24/28 pin. >> NEC D8251AC > >Equivalent to the Intel 8251, National Semiconductor INS8251, etc. It's a >USART There are differnt flavors of the 8251, and the D8251AC is similar to the intel 8251A. It's a matter of different bugs. >> NEC D449C 6116 ram 2kx8 >> AMD AM9511A-1DC > >AMD floating point chip > >> Sharp LH0081A >> Sharp LH0082 > >No idea > >> Intel 8339 >> Intel 8325 > >Are you sure you've not given me the date codes? Those are either mask roms or date codes. >> Intel K3235001 > >No diea Thats a mask and date code. Not a part number. Just google "z80" there are a carload of sites for those parts and people playing with them. Allison

19 years

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Catweasel NorthStar project

by lynchaj＠yahoo.com

I've started a project to use the Catweasel for making images of NorthStar hard sector disks. I have some working code. It is not ready for public release. Please contact me offline if interested in being a developer. The code is not available publicly at this time. Thanks Andrew Lynch

19 years

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DEC VT240 terminal

by ard＠p850ug1.demon.co.uk

I've just bought the base unit (VS240) for a VT240 terminal on E-bay and know little about it (OK, I know it's a DEC graphics terminal). Perhaps somebody can enlightent me 1) One site i looked at said a VT240 is a monochrome unit, a VT241 is the colour version. Is the only difference the monitor? Can I use a colour monitor with my base unit? 2) On the back are obvious connectors for an RS232 port (DB25), current loop (8 pin mate-n-lock). There's a DE9 labelled 'PR', presumably a printer port, also RS232. A RJ11 keyboard socket, I assume an LK201 will work here (yes?). A BNC which seems ot be composite mono video. And a DA15 plug, also for a monitor. I assume a VR201 links here, or a V241 with the right cable. Also, can I connect the keybaord to, say, the back of the VR201, or do I have to use the RJ11 on the terminal itself? 3) How much is known about the insides? Of course I've taken it apart. It's really easy to get inside, just undo 2 screws on the bottom at the very front and remove the top cabinet shell (lift it up from the front). Then release 2 nylatch fasteners and lift up the metal screening cover. The PSU (a switch-mode unit) is inside the cover. Reach inside and unlug the PSU ribbon cable from the mainboard and remove the cover/PSU. The mainboard comes out by releasing 3 more nylatch fasteners. On this board, there's an 8085, 2681 (dual serial chip), 8251 (USART, maybe used for the keybaord interface), 7220 (graphics chip) -- along with what seemms to be much the same circuitry as a Rainbow colour card, there are a couple of PALs, I've not checked to see if they're the same as the ones in the 'bow. Pletny of RAM and ROM, and some glue logic. And another 40 pin chip, DC310. For some reason this is saying 'processor' to me. Is it? -tony

19 years

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DEC switch handles

by RodSmallwood＠mail.ediconsulting.co.uk

Just a thought .. Wouldn't the model making fraternity have this kind of problem all the time.? There must be a way to make a mould using an existing part as the template. Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of woodelf Sent: 24 August 2007 20:16 To: On-Topic and Off-Topic Posts Subject: Re: DEC switch handles Dave McGuire wrote: > I have an interest, but only for a handful. Will is right; the > molds will be the killer. I worked on a commercial product a few > years ago that used a two-part plastic chassis that was about the size > of a small book. The two halves were very, very simple...no weird > shapes, and not difficult for mold design. The "cheap" aluminum molds > cost us about $10,000 to have made, and the good stainless steel ones > (last much > longer) were to cost about $18,000. I was looking at DIY molding ... 1 ounce of plastic at most. But you need access to a machine shop ... None around here. See here for the book. http://www.lindsaybks.com/dgjp/index.html > Molds for small parts such as switch handles will be cheaper, and > there's a side benefit to their small size: we might be able to design > one mold that can make several different types of switch handles > (PDP8/e-PDP11/20 style, PDP11/45-PDP11/70 style, etc) in one shot. > DEC didn't use that many different styles of switch handles. I got drooling over things like the PDP-12. Don't forget you need several colors. The problem is finding a place that does small runs. > There's still the front-end-loaded cost of having a mold cut, but > after that, the community would never again have problems getting > switch handles. Or you can get custom switches made ... Now what about the switches that go with the handles? Are they special? > -Dave > > --Dave McGuire > Port Charlotte, FL > Farewell Ophelia, 9/22/1991 - 7/25/2007 > > > > > . >

19 years

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Simulating VAX/VMS in SIMH

by hoelscher-kirchbrak＠freenet.de

If you use the simh VAX simulator (which emulates a VAX 3800 iirc), the oldest version of VMS to support this one is V5.1. VMS V5.5-2 is the last V5.x version before V6.x came up - some like the last sub version of a main version most because they think they're the most stable ones. If you use the simh VAX780 simulator (which emulates the VAX 780, the first VAX ever built), the oldest version of VMS to support this one should be V1.0. If you want really old VMS versions (V4.x and earlier) just contact me offline. Ulli (The Vaxorcist)

19 years

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Tube or not Tube

by RodSmallwood＠mail.ediconsulting.co.uk

... And now for somthing completely different.. As many of you know my main interest is DEC equipment. As with most electronics its the parts that are under the most stress that fail. I am starting to accumulate a pile of DEC VT series terminals with low out put picture tubes and failed Line Output Transformers. Before doing anything drastic it crossed my mind that somebody at some may have changed the tube in a DEC terminal. There are two issues with this one. a) Where do you get the replacement tube from. b) How do you fit it. If anybody has tried it I would be pleased to hear how they got on. Rod Smallwood The DecCollector

19 years

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Gooey rollers again.

by dkelvey＠hotmail.com

> From: ard at p850ug1.demon.co.uk> To: cctalk at classiccmp.org> Date: Thu, 23 Aug 2007 20:39:10 +0100> Subject: Re: Gooey rollers again.> > > This is a great idea. I have used two part, rubber like, materials in > > the past. I found I can buy new rollers for $35 each, much too expensive > > for all 16 needed. I'll probably buy one and try to make a mold from it. > > I'll post the results. > > I was thinking about mashining a mould from a block of metal and using that.> > ---snip--- Hi I thought I might add that even with a mold, it will be difficult to keep it concentric. It is best to over size the mold and grind it down to the right size. Dwight _________________________________________________________________ Find a local pizza place, movie theater, and more?.then map the best route! http://maps.live.com/default.aspx?v=2&ss=yp.bars~yp.pizza~yp.movie%20theate…

19 years

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Inside the personal computer article at TechRepublic

by tpeters＠mixcom.com

This is interesting. Cracking Open Vintage Computers Photo Galleries... As giant lizards once roamed our planet, so did mammoth machines once balance our checkbooks. Come along as we take a look back the some of the earliest and most unique personal computers - the Kenbak-1, Altair 8800, and Pet 2001. -- Bill Detwiler, TechRepublic Content Development Manager Kenbak-1 http://content.techrepublic.com.com/2346-10877_11-15160-1.html Altair 8800 http://content.techrepublic.com.com/2346-10877_11-1453.html?tag=nl.e099.dl0… PET 2001 http://content.techrepublic.com.com/2346-10877_11-1477.html?tag=nl.e099.dl0… ----- 237. [Philosophy] "Perfection is achieved not when there is nothing more to add but when there is nothing more to take out." --Antoine St Exupery --... ...-- -.. . -. ----. --.- --.- -... tpeters at nospam.mixcom.com (remove "nospam") N9QQB (amateur radio) "HEY YOU" (loud shouting) WEB: http://www.mixweb.com/tpeters 43? 7' 17.2" N by 88? 6' 28.9" W, Elevation 815', Grid Square EN53wc WAN/LAN/Telcom Analyst, Tech Writer, MCP, CCNA, Registered Linux User 385531

19 years

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Catweasel NorthStar project

by lynchaj＠yahoo.com

I am working on a software project (GPL v2) to make the Catweasel make images of NorthStar hard sector disks based on the Tim Mann cw2dmk code. I have some mostly working code which can make disk images of 10 sector 5.25" hard sector floppy disks. It is not ready for public release. I am looking for some brave person(s) who: 1) own a Catweasel 2) have access to a Horizon or Advantage or S-100 bus computer with MDS controller, and 3) are willing and able to do some testing/debugging/fixing of some rough code. Please contact me offline if interested. The code is not available publicly at this time. Thanks Andrew Lynch

19 years

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Tektronix 4002 Terminal found

by djg＠pdp8.net

I have the 4002A drawer unit and keyboard maintenance manual. I don't have the monitor manual. I also have the 611 monitor manual. Not sure how close either will be to your unit. The 4002A looks similar to the picture online. It will be a couple weeks before I can scan them if they are useful. David Gesswein http://www.pdp8online.com/ -- Run an old computer with blinkenlights

19 years

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Tektronix 4002 Terminal found

by classiccmp＠memory-alpha.org.uk

Hi, > I used one of those both at JPL and Caltech in the '70s. >Worked quite well. Yes, from the pictures it looks rather like the Tektronix terminal I used while at Leicester Polytechnic from 1983 - 1985. It was located in the miniscule "Graphics Lab" alongside a DEC "GiGi" (wish I'd kept mine) and another graphic terminal the model of which I forget now. Anyone else attend Leicester Poly around that time? TTFN - Pete.

19 years

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Huuuge file extension database

by aliensrcooluk＠yahoo.co.uk

Hi, While searching for something else (AMOS Jotre extension to play THX files) I stumbled across this page. It seems to be a huge file extension database. It's not all modern stuff (AMOS .ABK extension is there) so it does qualify as retro :) http://www.attingo.com/software.php I don't suppose anyone here has the Jotre extension? Regards, Andrew B aliensrcooluk at yahoo.co.uk

19 years

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Radio-Electronics REACTS computer from Ed Roberts

by rcini＠optonline.net

All: I had some time today so I started scanning a few random articles I had lying around. Back in 1988, Ed Roberts published a series of articles in Radio-Electronics for a stackable Z80-based industrial-like computer system called REACTS 7000. I seem to have most of the articles but I wondered if anyone on the list maybe has the original design packet you could order from Ed?s company, or any other info on it. As I find these random kind of systems, I?m putting together resource pages on my Web site for them (The Hawthorne 68k and the LittleBoard/186 are recent examples). So, if anyone has any info on this system, let me know. Thanks. Rich -- Rich Cini Collector of Classic Computers Build Master and lead engineer, Altair32 Emulator http://www.altair32.com http://highgate.comm.sfu.ca/~rcini/classiccmp

19 years

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HP business computer on Craigslist

by shumaker＠att.net

Craigslist San Francisco has an "HP 250 vintage computer" listed for $150 Post ID is 401790216. Is anyone on-list familiar with this? Worth acquiring? or is it fairly common gear? Doesn't seem to be in bad shape, claims to be bootable and even has some manuals but clearly missing the worktable and monitor. I'm a newbie here so opinions welcome s shumaker

19 years

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What is this board (M8549)?

by charlesmorris＠hughes.net

I gott an M8549 Universal Substitute Board off the 'bay recently, but it's not what I was expecting, which was a blank board with lots of places to mount DIPs. The board does have 27 pads for 16-pin DIPS, but also three "DEC10101" and one "DEC10110" chips on it (are those ECL?), many traces on the lower half of the board coming from the Omnibus fingers, and a couple of dozen 0-ohm jumpers. Is there a schematic anywhere? I can't find it on bitsavers... So what exactly did I buy?? -Charles

19 years

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Free books

by silent700＠gmail.com

Nothing great here, but I thought I'd check before they get pulped. Will send for cost of postage from 60074: Introducing dBase II by Lan Barnes Introducing dBase III by Lan Barnes Mastering VisiCalc by Douglas Hergert Lotus 1-2-3 for the IBM PC by Lon Ingalsbe The Power of VisiCalc Volume 1/Volume 2 by Robert E. Williams and some other guys All are discards from Valparaiso, IN library.

19 years

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Onyx 2 rack for $125 (Reading, PA)

by legalize＠xmission.com

<http://www.dovebid.com/assets/display.asp?ItemID=avb13333> -- "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/>

19 years

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Anyone got a small VAX going spare?

by lproven＠gmail.com

On 23/08/07, Zane H. Healy <healyzh at aracnet.com> wrote: > At 2:50 PM +0100 8/23/07, Liam Proven wrote: > > > If you're not too fussed about England specifically, I have a MicroVAX > >> 3300 and a couple of VAXStation 3100s going spare. I also know where > >> you could lay hands on a MicroVAX II. > > > >How do you mean? > > > >I have to collect it somehow and I don't have a car - I'm a biker. I > >do have a trike, so wide loads and balance aren't a problem, but we'd > >have to wrap it weatherproof and strap it on my back seat or luggage > >rack! > > Unless you can pull some sort of trailer, or have a sidecar (not sure > what you mean by trike), I'd really recommend staying away from > systems like the MicroVAX 3300, and MicroVAX II. I'd prefer not to > hear about you being crushed by a VAX. Hint, they make nice > end-tables. I moved my old MicroVAX home from Horsham in my sidecar. It sat on my then-G/F's lap. Poor girl could hardly walk for the rest of the day. Small, like a pizza-box workstation, but *heavy*. > VAXstation 3100's could prove interesting, but should be totally > doable, plus they'll be easier to get up and running. I can hope... -- Liam Proven ? Profile: http://www.linkedin.com/in/liamproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AOL/AIM/iChat: liamproven at aol.com ? MSN/Messenger: lproven at hotmail.com Yahoo: liamproven at yahoo.co.uk ? Skype: liamproven ? ICQ: 73187508

19 years

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UK retro show evening

by mark＠wickensonline.co.uk

I can't believe I've opened such a heated debate! How about another suggestion - a UK cctalk members get together. It looks like the complexity of organising a general event, and previously documented failures, are likely to put people off. I'm thinking 'start small' here. Maybe an event with 30 or so participants? Primarily to 'chew-the-cud'? It's more likely to get off the ground I would have thought. Mark.

19 years

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Tektronix 4002 Terminal found

by Arno_1983＠gmx.de

Bob Rosenbloom <bobalan at sbcglobal.net> wrote: > (...) > After you check out the power supply and reform/replace any bad caps, > and power it on, the screen should slowly turn fully green. Leave it > this way for 5 min. or so before you issue any erase commands (keyboard > or program). This procedure reduces the ion content in the CRT and > maximizes the CRT life. I got this from a Tektronix service manual > for the 611 storage display. It says to do this anytime it's been off > for two weeks or more. I have been following this for 15 years now on my > 611 (built in 1971) and it's still working great. > > Bob Hey, thank you for that useful hint! That's just the kind of stuff I wanted to know. (This one's particularly nasty because I wouldn't even have noticed an ill effect in the beginning, nevertheless harming the equipment...) "John A. Dundas III" <dundas at caltech.edu> wrote: > I used one of those both at JPL and Caltech in the '70s. Worked quite > well. > > I don't have any service information but I did scan the user manual > that I have. Al or others may have other scans or additional > information. For my scan, see: > <http://dundas-mac.caltech.edu/~dundas/retro/DEC%20Docs/Tektronix/070- > 1404-00.pdf> > > John Which seems to be down currently (produces a "Server not found" error) and can't even be found archived anywhere due to site policies (robots.txt). Thank you for scanning anyway, I'm looking forward to when it becomes available again - most probably a good resource for starters. Jos Dreesen / Marian Capel <jos.mar at bluewin.ch> wrote: > When you come over to fetch that uVAX II you can have a go at my Tek > 4014..... > > Jos Dreesen No, I haven't forgotten it...it looks as if we could manage it 22./23.09, but that's not fixed yet (haven't reached our relatives where we'd be staying overnight). So long, -- Arno Kletzander Hilfskraft Informatik Sammlung Erlangen www.iser.uni-erlangen.de Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! Ideal f?r Modem und ISDN: http://www.gmx.net/de/go/smartsurfer

19 years

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HP business computer on Craigslist

by aek＠bitsavers.org

> If there's anything that's not on bitsavers, I'll get it to Al. I have a big backlog of 250 docs that are scanned but not post processed. May be different manual revs, though. Did you get any distribution floppies?

19 years

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Re; A VAX you don't see every day....

by compoobah＠valleyimplants.com

> You do kind of have to wonder how much it costs HP to keep running this > licensing scheme... Well, AFAIK the only O/Ses still working on a per-user fee scale are the DEC derived systems (OpenVMS and Tru64), SCO, and Microsoft. Everyone else (including HP for HP-UX) went over to unlimited user licensing in the late '90s. Being a hobbyist, I've never had occasion to poke around in commercial VMS licensing. Do they still enforce the machine restrictions (i.e. machine X is a "workstation" so it can only host up to 2 users, period, another machine with the exact same VUPS rating is a "departmental timeshare" that can host up to N users (with the proper licenses) . . .)

19 years

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Datapoint DOS.C floppy images

by aek＠bitsavers.org

The first of a few dozen images from floppies Jack Rubin sent me to read are up under http://bitsavers.org/bits/Datapoint/floppyImages/dos.c/ Now, I guess I have to figure out how files are stored on dos.c floppies.

19 years

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