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

by Innfogra＠aol.com

I forward both Ebay and Paypal spoofs to spoof(a)ebay.com or spoof(a)paypal.com. they then check them out and notify me if they are fake or real. A couple of times I have forwarded regular traffic to the spoof notice and got a return email telling me it is not a spoof. I hope this helps them find the source. Paxton Astoria, OR

21 years, 9 months

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Santa, for Christmas I would like

by james＠jdfogg.com

Something blue and white and it says Data General on the front. If it says MV it would be even nicer. Does anyone see these anymore? My brother was one of the developers of AOS/VS and I would really like to restore one.

21 years, 9 months

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Wired running SGI Article

by pete＠dunnington.u-net.com

On Nov 27 2004, 17:17, Jochen Kunz wrote: > On Sat, 27 Nov 2004 12:50:04 GMT > Pete Turnbull <pete(a)dunnington.u-net.com> wrote: > > > I have three Indigos (left out of six), > Dead PSUs? At the Unix-AG we had six Indigos. Only one is alive. The > other machines died the suden PSU death. No, I have three left becasue I cleaned up and refurbished the others: one to a listmember, and two to ex-colleagues who used to use them extensively. The PSUs are easy to repair. > At home I have two Personal Iris (a 4D30 and a loaded 4D35), A R4k with > the simple LG1 framebuffer and a R3k Indigo without GFX. A R4k4-150 > Indy, a R4k4-200 Extreme Indogo2, a R10k-195 Impact Indigo2 (the machine > I am sitting in front of right now) and an Octane. (R12k-300, ESSI + ESI > dual head, 2 GB RAM, PCI card cage with additional SCSI and FDDI, total > of 36 GB disk, CD-RW, DLT) I have an Indy R4400SC-150 as well. I was always rather disappointed with its speed, though; it's considerably slower than most of the other Indys. I never liked the look of the Indigo^2 so I don't have any of those. I'd like your Octane, though,if you ever get tired of it ;-) > > and a 16-processor x 180MHz R10K Origin2000. > A Origin2000 is nice, but I would prefere an Onyx2000. ;-) :-) The O2K I helped look after in Computer Science was a 32 processor unit and it had a graphics unit. Nothing like Onyx graphics, but I would have liked that. > > > What I really want one of these days is a nice Dual Processor Octane > > > with R12000 CPU's. > > Have you heard one? Have you got a pair of comfortable ear defenders? > He. I have an extra machine room and run extension cables through the > wall. So I don't care about noise. :-) Ditto for my Origin (and the PDPs etc). The machine room is an extension to the house, and I have UTP, serial lines, thinwire, and fibre between m/c room and office. -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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VAX 11/725

by aek＠spies.com

I have one. it's a big paperweight without the microcode tape.. -- will these work with a tu58 simulation on a 725? http://colo.heeltoe.com/download/vax/

21 years, 9 months

5
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ZX81 denigrated! (was Re: Approaches to projects)

by dave04a＠dunfield.com

At 16:28 27/11/2004 -0500, you wrote: >----- Original Message ----- >From: Tony Duell <ard(a)p850ug1.demon.co.uk> > >> What's this love of the ZX81, which I regard as a postively horrible >> machine. I'd not rip one apart, though, mainly because there's little of >> use to raid from it... > >You regard it as horrible because . . . ? Aside from keyboard ;-) CPU intensive video design - lose video when program running (or SSLLOOWW mode for ZX81). This also makes it highly dependant on the internal firmware, so that it's tough to adapt other Z80 software systems to run on it. "RF only", and poorly shielded computer make it tough to get decent TV display. Limited internal RAM - and expansion very prone to connector problems/flakiness (practically useless without an external keyboard so that you didn't have to touch the machine while it was running). Slightly odd dialect of BASIC. Never did like the use of single-key "shift" keywords (although this is essential given the keyboard) - also a matter of taste, so this cannot be considered a "fault". But... I still consider the ZX80/81 a rather interesting and innovative design, because it truly was designed to get "something from almost nothing". Most of the items listed above are just the "nature of the beast" - given what it was (the lowest price entry on the block) and to be *VERY* cheap to manufacture. I know guys who did a *LOT* with their ZX80 - they are a capable machine. But, their limitations make them look very poor when compared to other more traditional designs. To appreciate the ZX, you need to keep in mind that it is SUPPOSED to be a very minimal machine. It makes more sense as an alternative to a programmable calculator than as an alternative to a word processing or serious software development machine. The only really bad thing about the ZX is that I think a lot of people bought it expecting more than it had to offer... Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

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analog computer support information

by adomsr＠yahoo.com

I'm Ahmed and I have the following analog computer Comdyna GP-6 and I want to implement a high order control transfer function, but I do not know how to rescale of the gain coeffecients fro the high order TFs. so, we send you this letter to help us in this point if it possible. Thank you very much AHMED --------------------------------- Do you Yahoo!? The all-new My Yahoo! – What will yours do?

21 years, 9 months

1
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Programmer's calculator

by unibus＠gmail.com

> >On Sun, 28 Nov 2004, Peter C. Wallace wrote: > > > On Sun, 28 Nov 2004, Fred Cisin wrote: > > > > On Sun, 28 Nov 2004, Tom Peters wrote: > > > > > I had a TI Programmer LED model. It died a horrible death. I don't know > > > > That is a really nice calculator, IFF you can plug it in. > > > > Battery life is negligible. > > > I've heard that before and its not true, at least with the model I > > have. I get > > > around 1.5 to 2 years out of one 9V battery in mine, always on my desk, > > used > > > every couple of days. It does turn itself off after a short period of > > > inactivity (1 minute or so - first rotating decimal point pattern then off) > > > >It certainly IS "TRUE"! > >The battery life of THREE that I have had has always been HOURS, NOT > >YEARS. Can I point out that there are two battery pacs for the TI Programmer (LED version). Battery life with the rechargeable NiCad pac is woeful, about 2 months for me on a charge with modern aftermarket NiCads. The 9V Eveready alkaline battery that has been in the calculator all this year, hasn't died yet. I've had this calculator since new and never had any problems. Must admit the calculator doesn't get much use these days. > > > >OTOH, the LCD model gives years on batteries. > > > > > > > > > what became of it. I have the model that replaced it, a TI > > Programmer II, > > > > > an LCD model. > > > > The LCD model has great battery life. It's batteries often > > > > outlast the life of the keyboard. > > > > If you want something SMALLER, the Casio CFX40/CFX400 is > > > > fantastic IFF you have excellent eyesight and good desterity. > > > Peter Wallace

21 years, 9 months

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Heath/Zenith Floppies

by marvin＠rain.org

A 3 day listing for 30 Heath/Zenith floppy disks is on ebay at: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5143525068 The current bid is $2.00.

21 years, 9 months

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ASR-33 / PDP-11 question

by wacarder＠usit.net

Ok, I need to call in the experts. I have had much success lately in getting my PDP-11/34 system hooked up to multiple peripherals, running RSTS/E V7. I have RL02, RK05, multiple VT52s, LA36, VT100 all working running timesharing, terminals all connected via EIA DZ11. I added a 20mA DZ11, which is recognized by RSTS, and it uses 8 more KB numbers, with 8 less "unrecognized devices". The EIA DZ11 uses KB3 through KB10. I have configured the lines that I'm using so that the terminal characteristics are set properly by $TTYSET to match the terminal types when the system starts. The 20mA DZ11 uses KB11 through KB18. I want to connect my ASR-33 to the second terminal connector on the distribution panel, therefore it should be KB12 to RSTS. My problem is that I am now attempting to connect my ASR-33, which works just fine is local mode. I am using phone wire, connecting wires from the DZ11 connectors 1,2,3, and 4 to connectors 3,4,6,and 7 respectively on the ASR33 terminal strip. My info tells me that: DZ11 1 = Receive + = ASR33 7 DZ11 2 = Receive - = ASR33 6 DZ11 3 = Transmit - = ASR33 3 DZ11 4 = Transmit + = ASR33 4 Something must be working right because if the 11/34 is not on and the ASR33 is turned on in "online" mode, it sits there and "clicks" repeatedly. However, it stops this clicking when the 11/34 is powered on. I checked the lines and there is a 20mA +/- current on the lines. The problem is that when I type on the ASR33, it does not echo, and when I use RSTS to send characters to the ASR 33, it does not respond. This ASR33 works perfectly in local mode. Anyone on the list have a clue what's wrong before I dig deeper? Is there something obvious that I've done wrong? The ASR33 is supposed to be working. I have configured the ASR33 on KB12 to 110 baud using $TTYSET, but no luck. Just to be sure, I set all 8 KBs, KB11-KB18 to use ASR33 terminal chracteristics. Help would be much appreciated. Ashley

21 years, 9 months

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ZX81 denigrated! (was Re: Approaches to projects)

by pete＠dunnington.u-net.com

On Nov 28 2004, 18:14, Tony Duell wrote: > > Yes, I would agree. I still keep mine, though I've hardly ever used > > it. > > I'm keeping mine too (although I only ever powered it up once to check it > was working...). It is a significant UK home computer. But the reason I > bought it was to get the Philips 'Pocket Portable' compact cassette > recorder that was used with it. It was one of the first ccompact assette > recorders, and I happen to like Philips stuff anyway... Sounds like mine. The one I have is a replacement, but almost identical to the one my Dad bought in the mid-60s. It's about 115mm wide x 55mm thick x 200mm long; it has three DIN sockets on the left-hand side, and a red button for recording, a sort of joystick knob to control the tape motion, and a tiny level meter all on the top front panel. It takes five C-size cells. It originally came with a slightly larger leather carrying case that had space for the microphone and a power pack. Still doing sterling service on a BBC Micro and an Exidy Sorcerer, though it's about as old as their combined ages. -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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Wired running SGI Article

by pete＠dunnington.u-net.com

On Nov 28 2004, 7:50, Lyle Bickley wrote: > My Onyx is linked to a Sun NFS/DNS server which unfortunately has a SAS FDDI > device - so my FDDI setup does not make a proper ring either. Sigh... > > I'm on the lookout for a FDDI switch with both dual and single capability - > but so far haven't stumbled across one for a price I'm willing to pay... If I find anything, I'll let you know. I was disgusted to discover, a couple of years ago, that our Chemistry Department threw out several nice FDDI switches about a year or two previously, because they thought nobody would want FDDI any more :-( This statement came from the guy who gave me my first Indigo (and a few other machines, at other times)! -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

1
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HP Paintjet stepper motor driver IC

by ard＠p850ug1.demon.co.uk

I've got an HP Paintjet printer on the bench (this is on-topic, it seems to have been made in 1986 or so). I've figured out most of it (even the PSU section with a complex custom DIL resistor pack), but I can't indentify the driver chip for the linefeed motor, which is a 4-input unipolar stepper motor. Anyway, the driver chip is marked 1820-4864 (too late for my equivalents list). It would seem to be a quad power driver chip rather than a stepprr motor controller, as it takes in 4 bits from one of the microocntroller ports. The pins, as I've traced them seem to be : 1 Input 2 +5V 3 Output 4 N/C 5 Input 6 +5V 7 Output 8 Ground 9 Clamp 10 Output 11 Input 12 +5V 13 Output 14 Input 15 +5V 16 +5V It's a normal 16 pin DIL package (no heatsink tabs or anything). I usspect, without prood, that it's actually 4 separate stages, AND or NAND functionality, : 1 & 2 -> 3, 5 * 6 -> 7, 12 & 11 -> 10, 15 & 14 -> 13 Does that pinout ring any bells with anyone? It's not any of the chips in my TI Interface Databook.. -tony

21 years, 9 months

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Greenbar paper

by pete＠dunnington.u-net.com

On Nov 28 2004, 14:31, Gordon JC Pearce wrote: > Pete Turnbull wrote: > > Our library announced they had some to get rid of a few days ago. If > > it's not been claimed I could get you some, but the boxes are heavy so > > expect to pay quite a lot for shipping. > > > Can you get me the postcode? One of my mates runs up and down to > Birmingham every week and can probably be persuaded to make a detour. > Especially since I'm doing his wheelbearings for him next weekend... It would be a sizeable detour, from Brimingham to York. The postcode is YO10 5DD, and if he has satnav, he'd be looking for Grid Ref SE 622 506 or 53? 56.9' north (53.9477?), 1? 3.1' west (-1.0523?). -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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MOS 6545 Application Notes

by swtpc6800＠comcast.net

Rich, I have a Synertek SY6545 CRT Controller applications note (AN3 July 1980). It is about 24 pages, I can scan it tomorrow. Michael Holley www.swtpc.com/mholley > > Someone contacted me and asked if I had ever seen an "application > notes" document for the MOS 6545 CRT controller chip. I don't have it; all > that I have is the data sheet. > > If anyone has this, please let me know. Thanks. > > Rich >

21 years, 9 months

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ZX81 denigrated! (was Re: Approaches to projects)

by pete＠dunnington.u-net.com

On Nov 27 2004, 18:54, Dave Dunfield wrote: > At 16:28 27/11/2004 -0500, you wrote: > >----- Original Message ----- > >From: Tony Duell <ard(a)p850ug1.demon.co.uk> > > > >> What's this love of the ZX81, which I regard as a postively horrible > >> machine. I'd not rip one apart, though, mainly because there's little of > >> use to raid from it... > > > >You regard it as horrible because . . . ? > > Aside from keyboard ;-) > > CPU intensive video design - lose video when program running (or SSLLOOWW > mode for ZX81). > > This also makes it highly dependant on the internal firmware, so that it's > tough to adapt other Z80 software systems to run on it. > > "RF only", and poorly shielded computer make it tough to get decent TV display. I wonder if that's becasue it's VHF? UHF ones I've seen here aren't *too* bad, and it's trivial to add a composite video lead. > Limited internal RAM - and expansion very prone to connector problems/flakiness > (practically useless without an external keyboard so that you didn't have to > touch the machine while it was running). Yu can replace the internal RAM. > Slightly odd dialect of BASIC. Slightly?!*! > But... I still consider the ZX80/81 a rather interesting and innovative design, > because it truly was designed to get "something from almost nothing". Most of > the items listed above are just the "nature of the beast" - given what it was > (the lowest price entry on the block) and to be *VERY* cheap to manufacture. Yes, I would agree. I still keep mine, though I've hardly ever used it. -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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Masscomp computers?

by rigdonj＠cfl.rr.com

Does anyone on this list play with the Masscomp computers? Joe

21 years, 9 months

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MOS 6545 Application Notes

by rcini＠optonline.net

Hi: Someone contacted me and asked if I had ever seen an "application notes" document for the MOS 6545 CRT controller chip. I don't have it; all that I have is the data sheet. If anyone has this, please let me know. Thanks. Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/

21 years, 9 months

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Wired running SGI Article

by pete＠dunnington.u-net.com

On Nov 27 2004, 13:01, Lyle Bickley wrote: > I always have tried to collect/restore those systems with the best graphics > and video options... > > In my SGI collection I have: > > Qty. Description That's a nice collection, especially the second Onyx. FDDI, too (I have FDDI on my Origin and two Indys and an FDDI-ATM bridge but unfortunately the Indys are SAS devices so it doesn't make a proper ring). -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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Free : Centronics ribbons

by birs23＠zeelandnet.nl

Free for postage a bunch of unused Centronics ribbons for the models 400, 455, 800, 855. Reorder number on the box is 44688116 Stefan. ------------------------------------------------------- http://www.oldcomputercollection.com

21 years, 9 months

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Greenbar paper

by pete＠dunnington.u-net.com

On Nov 27 2004, 10:59, Gordon JC Pearce wrote: > I apologise if this question has been done to death, but is there > anywhere in the UK I can get 14 7/8" greenbar paper? Our library announced they had some to get rid of a few days ago. If it's not been claimed I could get you some, but the boxes are heavy so expect to pay quite a lot for shipping. -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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Wired running SGI Article

by pete＠dunnington.u-net.com

On Nov 27 2004, 18:53, Jules Richardson wrote: > On Sat, 2004-11-27 at 12:50 +0000, Pete Turnbull wrote: > > and a 16-processor x 180MHz R10K Origin2000. > > I thought you only had 8 in that thing! :-) You only saw one module and one FC-RAID box; there's a second one at work, in the proper O2K rack with some more PCI cards, a couple of XIO cards, an Origin Vault, and a bunch more Craylink cables. > I'm thinking our R5K Indy with the 24bit board might be useful as a > front-end for some ray tracing exhibit - I think it's the only 'old' > machine we have with 24 bit colour. > > We've just got that machine, a pair of R4K Indys (one with a duff CPU so > spares only) I may have a spare CPU module. > The latter three still only have one keyboard to share between them > though :-( I'll try to remember to count my keyboards and see if I have a spare. > It'd be nice to find an O200 or O2000 someday! > > > The O2K is currently split into two units, one at home (with all the > > extra bits'n'bobs) and one on loan to a research unit at the > > University. > > Aha! :) I'll remember you said that if I need to find space to keep the O2K rack :-) > > And work have stopped buying/suuporting SGI :-( > > does that mean you'll be clearing them out of all things SGI? ;-) Depends. Several departments have SGIs of their own, which they keep running even though we no longer provide support for them, as of this summer. They're mostly Indys and a few O2s, but there's the odd Power Challenge etc. We have a bunch of O2s which were classroom machines, and were retired in the summer, but I'm not sure yet what will happen to them. I might be able to get you one or two. They're low-spec, though: R5K-180, 4GB disks, mostly only 64MB RAM. Most of us in CompServ who have O2s are keeping them :-) -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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Old Unibus PDP-11 items needed

by pete＠dunnington.u-net.com

On Nov 27 2004, 11:51, Ashley Carder wrote: > I am looking for the following old PDP-11 unibus modules: > > * M7237 - Stack limit register for PDP-11/35 and 11/40 I've been looking for one of those for several years, too. -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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TU80 error 65?

by aek＠spies.com

according to the tu81 diag pathfinder it's a formatter read board health check fault the cdc 92181 docs only go up to 61 as well.

21 years, 9 months

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M9312 boot roms (again)

by squidster3128＠yahoo.com

Hello, Sorry to beat this old horse again, but did anybody set up a repository for M9312 boot images since the last discussion? (I actually went to look for them in www.classiccmp.org/M9312, and Pete's DECROM repository doesn't seem to have the 23-xxxA9 M9312 roms) I need some of them, specifically the DU, DX, and DY. Question: Is the DY (supposed for RX02) able to boot RX01s too? /wai-sun ===== /wai-sun __________________________________ Do you Yahoo!? All your favorites on one personal page – Try My Yahoo! http://my.yahoo.com

21 years, 9 months

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HP junk at Apex Electronics (Sun Valley, CA)

by tomj＠wps.com

Wuz at apex today, I mentally noted the HP stuff tyhat's been there forever. Manuals for 9600c (binder 9), a bunch (4? 8?) 9825 manuals and software, basic, pascal, etc, plus a "terminal emulator" with a set of cartridges/tapes in plastic page holders in a binder. I don't have enough cash riught now to front this stuff. It's where all the manuals are. Plus, if you go to buy them all once, the price will skyrocket, as per standard surplus culture, so you'll have to go and take one, two at a time, etc. That Tek repackaged PDP11 thing is still there too. 8" floppy and a 8" hard disk. No monitor present. Looks clean. I wrote about it before; I don't recall the model, but search for 'apex' and tomj in archives.

21 years, 9 months

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Greenbar paper

by cb＠mythtech.net

> I don't know about the UK but here in the US the stuff still shows up in >the surplus and trift stores fairly regularly. At least around here (northern NJ), I still see greenbar in the office supply stores from time to time. Usually just one case, sitting, well beaten, in the corner by the rest of the paper. -chris <http://www.mythtech.net>

21 years, 9 months

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Info needed- Intel 8024A Multibus SBC

by Innfogra＠aol.com

I looked in my intel 1990 book and it looks just like the ISBC 80/24A card in the book with a 8085-2 processor and ISBX connectors for the Mezz card. Normally the card has edge card connectors on top. It looks like someone soldered header connectors to the edgecard ones. I just got an Intel 80-10 rackmount chassis with a 80/10 processor (8080 chip), a National Semiconductor 2 port memory card, an analog devices RTI 1200 and an intel SBC-108 combination mem & I/O expansion. Looks like it needs some cleaning to get it fired up. Paxton Astoria

21 years, 9 months

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Apollos again - and an HP2115A

by julesrichardsonuk＠yahoo.co.uk

rah! Rummaging through the piles of HP stuff today on the offchance that there were any Apollo bits paid off. Unearthed four DN3000 series machines in a box complete with three mice and Domain keyboards - that explains where the stray Domain keyboard I found the other week must have come from! Two of the machines are (strangely) missing fronts, and one's just badged as a 3000 whilst the other is a 3010. All appear to have disks (hopefully they have all the necessary boards too). I'll have access to a van tomorrow so I'll shift them up to the museum and take a look inside... No sign of manuals or install media yet, but I'm only about a third of the way through the pile. Also, what the heck's an HP 2115A? Found one earlier all nicely boxed and wrapped up, plus possibly a second one (it's too buried under more modern HP stuff to get to it yet!). Looks like a rather nice machine! Perfect condition too - I'll take that up to the museum tomorrow too so it's all nice and cosy :) cheers Jules

21 years, 9 months

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Greenbar paper

by gordon＠gjcp.net

I apologise if this question has been done to death, but is there anywhere in the UK I can get 14 7/8" greenbar paper? Gordon.

21 years, 9 months

3
2
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Traling-Edge

by doc＠mdrconsult.com

www.trailing-edge.com has been down for 2 Days. Not that I desperately need anything from there, but it's unusual. Has anybody heard from Tim Shoppa? Doc

21 years, 9 months

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Wired running SGI Article

by pete＠dunnington.u-net.com

On Nov 26 2004, 22:25, Zane H. Healy wrote: > >One of these days I will have to check out an old SGI to see what the fuss > >was about. > > I have two o2's, one of them is a lowly R5000 180Mhz system (the more > pathetic of the two 180Mhz models) with 160MB RAM. This system can > handle *HEAVY* loads more gracefully than any other system I've use, > and X-Windows is unbelievably smooth, even under these heavy loads. > The other is an R12000 270Mhz system, and even better :^) I have three Indigos (left out of six), of which one is an R4K with the full Elan graphics, and one has the "Song and Dance Machine" graphics board; six Indys ranging from an early 100MHz R4000PC to a 150MHz R5KSC; two O2s, one of which is a 180MHz R5K, the other being an R10K with the audio/video unit; and a 16-processor x 180MHz R10K Origin2000. The O2K is currently split into two units, one at home (with all the extra bits'n'bobs) and one on loan to a research unit at the University. It has no graphics of its own, but even running X over the network, it's nice :-) I've been using SGIs since 1994, and my R5K Indy is the one I originally bought secondhand in 1995 for UKP2200. Then, it was a 133MHz R4600SC with 64MB RAM, a 1GB disk and 8-bit graphics. It's been upgraded a few times and now has 24-bit graphics (see my friend's page at http://www.jfc.org.uk/documents/indy_gfx.html and you'll understand why two of my Indys have crippled graphics cards), 256MB RAM, a lot more disk space, and a few extras. It still runs 24/7, acts as my main desktop machine, and provides NFS and Samba file services, print services, SMTP, IMAP and SpamAssassin, and a few minor things, for the rest of the machines on my home net. It could do with being a bit faster, but it's doing very well for a ten-year-old machine. > What I really want one of these days is a nice Dual Processor Octane > with R12000 CPU's. Have you heard one? Have you got a pair of comfortable ear defenders? Have you seen the articles on futuretech about modifying an R5K2 O2 for a (much) faster processor? > What I'd really like is a nice new Quad Processor > R16000A-based Tezro, but there is no way I can afford a brand new SGI > Workstation. Me neither, unfortunately :-( And work have stopped buying/suuporting SGI :-( -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

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TU80 error 65?

by julesrichardsonuk＠yahoo.co.uk

Anyone happen to know what error code 65 means on the display of a TU80? According to the technical docs we have, it doesn't exist - they list as far as 61, then skip to 70 - grrr! cheers Jules

21 years, 9 months

1
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Old Unibus PDP-11 items needed

by wacarder＠usit.net

Hello all, I am looking for the following old PDP-11 unibus modules: * M7237 - Stack limit register for PDP-11/35 and 11/40 * M7891 - MOS memory modules, preferably 64K or 128K I have some items that I would be willing to trade. Among these are some 16 sector RK05 packs and some 11/34 CPU boards and other odds and ends. Thanks, Ashley

21 years, 9 months

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Info needed- Intel 8024A Multibus SBC

by chenmel＠earthlink.net

Hello all, I recently picked up a couple of Intel 8085-based Multibus processor boards. These are branded Intel and are marked 8024A. They are NOT the 80/24 board, which I have been able to find info for. Judging from datecodes, they are aprox. 1990 in age. They have a Microdesigins, Inc. mezzanine card plugged into them called uDS-221 Multifunction Multimodule which adds serial I/O, battery backed SRAM, and a real time clock function. I am looking for info to get these boards up and running. Seem like nice Intel processor cards. Here are some pix of the cards (taken and uploaded halfway through composing this message): The 8024a board alone: http://sasteven.multics.org/8024a.jpg The board with RTC mezzanine card plugged in: http://sasteven.multics.org/8024a_both.jpg The RTC mezzanine card alone: http://sasteven.multics.org/8024a_RTC.jpg Any info would be greatly appreciated. These three photos are hereby granted to the public domain. (use them as you wish) Scott

21 years, 9 months

2
1
0 0

Sale of "free" stuff on eBay

by rcini＠optonline.net

Hello, all: I was browsing eBay and I came across this listing in my "S100" search: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=5142045885& rd=1 A few months back, I bought a CD from Dynacomp Software because it had a bunch of Altair manuals on it that I didn't have. This is, of course, before I found Bitsavers and Harte Technologies, which has all that I could want on the documentation side. Anyway, when this guy was selling only Volume 1 and 2, he was also selling the original manuals, so I thought that this guy was OK. As time went on, he began to sell other compilation CDs but not the manuals, so I concluded that he began clipping files from all over the Web and selling them on CDs. A little unsavory, but, well, what can one do? Tonight, I looked at Volume 5 and in the CD table of contents (link above), I see "altair32 Project Altair Emulator.zip" and two other related listings. As you all know, this is my baby and this person never had the courtesy to ask my permission to distribute my albeit free software. Am I crazy here? Should I contact this guy and ask him to remove it? Should I ask him to place a link to the project page instead? How about modifying the listing to include a "permission granted" message? Any thoughts on this? Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/

21 years, 9 months

12
17
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How much do you know about computers?

by unibus＠gmail.com

Got bored, so I wrote up some old iron and current tech questions. Bit difficult for the PC users. http://www.okcupid.com/tests/take?testid=11889246703387700628

21 years, 9 months

3
2
0 0

test, please ignore

by news＠computercollector.com

===== Tell your friends about the Computer Collector Newsletter! -- It's free and we'll never send spam or share your email address -- Publishing every Monday(-ish), ask about writing for us -- Mainframes to videogames, hardware and software, we cover it all Visit our web site for lots of extra content: http://news.computercollector.com Contact us at news(a)computercollector.com 600 readers and counting!

21 years, 9 months

1
0
0 0

Found: PDP-11 boot loader ROM's

by aek＠spies.com

Bob, I could use these to fill in a few that are missing from the archive. Spec, 753 759 and 761 If you have a prom programmer, I'd like to get the images of these from you.

21 years, 9 months

1
0
0 0

was identity theft - now international transfers

by Innfogra＠aol.com

>What problems are there with the "international postal money order"? >Can't you still get those at the local USPS office? > The only International money orders the US Post office will cash are their own and Canadian post. I know because I took a Japanese Postal International Money order once and the US Post wouldn't have anything to do with it. It was legitimate but I ended up having to deposit it to cash it. I do take Canadian Postal Money Orders now. I have used the interbank for international money transfer once and it worked easily. I seem to remember that I had my credit union generate a transaction number along with the interbank number that I sent to the person purchasing the item. A couple of days later the money showed up in my Credit Union Account. However it cost me $10 for the transaction on my side, which I had the customer pay, after all he wanted to pay by wire transfer. Nowadays I take Western Union Wire transfers, Western Union International Money Orders, Bidpay, Paypal or US dollars (Cash) for international purchases. I do not take Certified or Bank Checks, especially for amounts greater than the purchase. And I do not ship until I am certain I have payment. Lately, in posting a HP110 outfit on the HP Museum's for sale site I received three fraudulent offers, and one serious one. Two of the offers were to purchase it with a certified check for a set amount, much more than the item and then have me forward the HP110 and the extra money on to them. The third fraudulent offer was a blatant offer to let me pad the invoice with other goods, name my own price, and get paid by a certified check. I was very disappointed to see that amount of scamming on the bulletin board. All were internationally based scams and easy to recognize, though. Paxton Astoria, Oregon USA

21 years, 9 months

2
1
0 0

IBANs (Was: FYI: Identity Theft)

by pete＠dunnington.u-net.com

On Nov 26 2004, 17:53, meltie lists wrote: > > I just went to my bank (HSBC) in the UK to pay about 39 euros to an IBAN > in Germany. Bank fees were 9 pounds sterling! OUCH!! Ouch! That's a *lot*. Last time I paid using IBAN it cost a fraction of that (but it was using the University's account; maybe they have different terms). My experience in sending money to the States, for what it's worth, is that bank transfers are most expensive, Western Union wire transfers are slightly better, BidPay is much cheaper (well, less expensive), credit cards (if the seller accepts them directly) are pretty good, PayPal is cheapest, and sending cash is pretty cheap but I'm wary of sending cash by mail, especially airmail. I have accounts with more than one bank, for historical reasons, and one of them offered to create me a Euro account when I complained that their "inexpensive" charges for sending money to Europe were umpteen times what a Eurocheque would have cost. It turned out that made individual transfers cheap but the account maintenance charges more than made up for that unless I had quite a high balance. It seems that the UK is just not the place to be if you want to buy stuff from abroad :-( -- Pete Peter Turnbull Network Manager University of York

21 years, 9 months

1
0
0 0

'Wilkes Microsystems'

by julesrichardsonuk＠yahoo.co.uk

Anyone know anything about these? The machine in question's a big floor- standing machine, looks to be circa 1980 - grey / pale blue shell, about the size of a PDP 11/84. There's a possibility that the unit's a rebadged Pr1me of some kind, although that may just be due to the fact that some Pr1me manuals were laying nearby more than anything :-) I'm trying to decide whether to say yay or nay based on the one photo, so some info about Wilkes would sure be handy! cheers Jules

21 years, 9 months

1
0
0 0

IBANs (Was: FYI: Identity Theft)

by lists＠microvax.org

I just went to my bank (HSBC) in the UK to pay about 39 euros to an IBAN in Germany. Bank fees were 9 pounds sterling! OUCH!! To keep this on-topic, I was paying for a Norsk Data 10 operator control panel. Yum, lamps and toggles. The girlfriend said I should work out a way to drive it, and hang it on the wall :o) alex/melt

21 years, 9 months

1
0
0 0

VCF 7.0 Pictures

by wayne.smith＠charter.net

I have posted a few pictures taken during VCF 7.0 at http://webpages.charter.net/jpepperman/VCF%207.0.html. -W

21 years, 9 months

6
5
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Found : two TK50 tapes with Microvax II S/W

by trash3＠splab.cas.neu.edu

I have a MVII with a working tk50 and a couple of MV3100s and 4000 systems, all with tz30 drives. I am archiving my 60+ TK50 tapes to better media and I would be glad to add the two tapes to the pile. You go back a ways. I know Neil pretty well and have dealt with him for about 20 years. Back then, Heffron's was a pretty neat used electronics place... I'm in Boston a couple of days a week. joe Heck

21 years, 9 months

1
0
0 0

Sale of "free" stuff on eBay

by dwight.elvey＠amd.com

>From: "Michael Nadeau" <menadeau(a)comcast.net> > >> > Subject: Re: Sale of "free" stuff on eBay >> >> > The contents on your site are clearly copyrighted, so this guy is out of >> > bounds. The first step is to ask him to remove the item from eBay. A lot >of >> > people don't understand copyright. They assume it applies only to >material >> > that is for sale. So, be polite and explain that you own the right to >> > determine how and where the software is distributed. >> > >> > If he does not comply, then I would file a complaint with eBay. Failing >> > that, a letter from a lawyer is often effective. >> >> To what end, this? It's a bit scorched-earth don't you think? > >That's the question that the copyright holder needs to answer. I'm just >giving the options. In most cases, things are resolved in a friendly manner. >> Hi As a Copyright holder, he needs to defend his copyright or anyone who took it to court would use this case to show that it was not being upheld. His letter might be construed as permission to publish. His wording might have been a little different. ( I'm not a lawyer and this is just personal opinion ). With most everything I've sent out, I'm just happy to see people using it. If I'd expected to have any control, I'd have sold licenses. Dwight

21 years, 9 months

6
5
0 0

Software for Apple I

by owad＠applefritter.com

I'm writing a book about building an Apple I replica, going to press in January (Syngress Publishing). I'd like to include a fairly large section on software. Does anybody have any programs for the Apple I which they'd be willing to see included? These could be old, historic programs or new programs you wrote yourself. Anybody who contributes will get a copy of the book, of course. Tom -- Applefritter - Obscure, Unusual, Exceptional <www.applefritter.com> Painted Bytes - Original iBook Artwork <www.paintedbytes.com>

21 years, 9 months

5
9
0 0

Sale of "free" stuff on eBay

by dave04a＠dunfield.com

At 12:04 25/11/2004 -0800, you wrote: >On Wed, 24 Nov 2004, Dave Dunfield wrote: > >> As noted above, this is not directed to a particular person ... And I DO >> have a great deal of respect for Al and others like him. And no dispute >> that these people are preserving important documents. But, anyone who >> takes the attitude "only to be distributed by download from my site" is >> NOT making them available to EVERYONE - it prevents me from obtaining >> much of the larger material (and doc scans tend to be large :-) No >> matter how well information is preserved, it is of no benefit if it is >> unobtainable. > >You are looking at it from your own point of view. I'm not going to speak >for Al, but I'm sure he would want you to get what you need in whatever >way is most convenient for you. Al's gripe was with the person who was >making money off of his work and not making even a simple reference to Al >for making his "product" possible. Al did not take the attitude that you >are projecting. So again, I say show some respect by at least getting >your facts straight. ... Its you who keeps attaching Al's name to this discussion.... but UNCLE - UNCLE - I hereby APOLOGIZE to any and all involved for having used a bad example - The intent was to show how material being excluded from a CD had prevented me from having easy access to it, with a personal observation that doing so can deviate from often stated goals of making the material available to everyone (please note: I am not suggesting that that any specific person anywhere has or has not made this statement, and if anyone has in fact made this statement, that it may or may not have been inline with the intent of my bad example). Clearly I should not think up examples near the end of a rant. Also, since we are examining this particular bad example so closely, I should also say that it may not have been in this list, it could have been in one of the newsgroups (perhaps comp.os.cpm) - again, my error (at the time it didn't seem an important detail as I was not mentioning names) - so lets amend the orignal statement to "somebody somewhere at some time and for some reason (justified or not), requested that their material be excluded from a DVD that I subsequently obtained, and this means that I don't have ready access to that material due to the fact that I can not download large items from the original sites, and that I would have had access to it if the request to exclude it had not been made." - can we live this this? >> Btw: I do have some of Rich's scans in my Altair section, and I *DID* >> contact him for permission, and he *IS* listed in my credits. I even >> gave him some scans of docs he was missing during our correspondance. > >And that took, what, a couple e-mails? No big deal. Since most of >Dynacomp's CD comes from, at most, 10 sources, it wouldn't take much >effort to at least let the people who created those sources know what he's >up to, or in the very least put a note of thanks on the disc. No, he >didn't do any of these, so shame on him. The difference being that I was using individual document scans which did not have Rich's information attached to them - presumably the material on the CD in the original question does have his complete package, including whatever promotional meterial he wishes to include. IMO (and it is just MO) this is enough of an acknowlegement, as anyone who actually looks at it will see this material. Once again, let me stress that this is MO. >> BUT - the choice as to what to do is ultimately Rich's .. He asked our >> opinion and I gave him mine. to quote Spock, he is free to "give it all >> the consideration it is due". > >Quoting fictional characters is...scary. Yeah, but it's such a GOOD quote (and very useful at times). Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

1
0
0 0

An Actual On-Topic DILOG question

by aek＠spies.com

>From memory, isn't a DEC TSV05 (M7196) actually a rebadged Dilog DQ142? The DQ132 was a slightly older design. I have the manual up for that and it was switchable between 18/22 bits. You're probably better off with the 142..

21 years, 9 months

1
0
0 0

Approaches to projects

by dwight.elvey＠amd.com

>From: "Doc Shipley" <doc(a)mdrconsult.com> > >Philip Pemberton wrote: >> >> I've had the same experience - >> Them> "Would you like this computer?" >> Me> "What is it?" >> Them> "Um.. 386-25 with 1MB of RAM" >> Me> "To tell the truth, I don't collect PCs, they're not that rare, or even >> particularly useful." >> Them> "Oh, OK. I've got a ZX81 you can have for fifty quid. Or a C64 for ?95" >> Them> "They're going in the bin tomorrow, so let me know before then, ok?" > ><snip> > >> Speaking of which, iirc someone offered me a SYM-1 a while back.. they >> wanted somewhere in the region of $900 for it. Last I heard, it hit the >> dumpster. Real shame - then again, their property, their choice :-/ > > This just twists my brain. > > "I think this computer is worth ONE MILLLLLION DOLLARS. What, you'll >give me 20 bucks? Instead of taking your twenty bucks or putting it up >for no-reserve auction, I'll just throw this million-dollar computer >away!!! MuaHaHaHaaaa!!!" > > Been there, did that, still bitter. > > > Doc > Hi Still can't imagine a SYM-1 being worth $900. From $75 to maybe $150 someplace is more like it. It has little to be note worthy of that I know of. The KIM is more recognized as a historic board. I doubt if that person though it was actually worth something that they'd have thrown it away, regardless of what they said. Still, for one rounding out their 6502 collection, the SYM-1 is a nice item to have. Dwight

21 years, 9 months

3
2
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Sale of "free" stuff on eBay

by news＠computercollector.com

Here's a theoretical question for the group. What if someone compiled copyrighted data (giving credit to the owners) onto a CD, and gave it away for FREE, but made their money by having advertising inside the contents -- would that be considered ethical? For the record, it's NOT anything that I plan to do with the newsletter. Evan ===== Tell your friends about the Computer Collector Newsletter! -- It's free and we'll never send spam or share your email address -- Publishing every Monday(-ish), ask about writing for us -- Mainframes to videogames, hardware and software, we cover it all Visit the museums directory and read about past events at our web site: http://news.computercollector.com Contact us at news(a)computercollector.com 600 readers and counting!

21 years, 9 months

8
10
0 0

Update on Don Maslin

by vcf＠siconic.com

I just made contact with Don's wife, Bristol. They're not sure what Don died of, but he'd had cancer for 18 years and he died a couple days after entering the hospital after falling ill. Understandably, she has no idea what Don has in his garage. I offered to help her sort things out and to get money for whatever computers are in his collection that are worth anything, and of course I informed her of the importance of Don's disk archive. She's very nice and willing to pass the collection along but she first wants to run everything by her nephew who knows about computers before anything happens, which is understandable. This process will take some time. Bristol has many other things to deal with of course, but she informed me that she will make sure none of the computers or software will be discarded until they can get a full idea of what they have. She said they already took 5 computers to recycling but she didn't think they were anything of concern as her computer savvy nephew was the one who chose them and felt they weren't old or valuable or anything. At any rate, she assured me that nothing will be taken for recycling until we figure out what's all there. I'd like to enlist the help of some local San Diegans to assist with the inventory of Don's collection. I will probably end up making a trip down there in the future to either help with the dispersal of his collection and/or retrieve the disk archive. It would be a great help to Bristol if someone with knowledge of vintage computers can help her nephew identify the valuable machines so she can decide what she wants to do with them. And of course, to help identify the disk archive. I would imagine (or hope at least) Don had it pretty well organized and labelled, but we need someone to identify and separate it from the rest of his collection. Also, I want to give Don a tribute at the upcoming VCF 7.0. I'd like to talk a bit about Don's life and what he did for a career and all that. His wife didn't know much about Don's computing career and so I'm hoping that some people on the list who got to know Don and his history can share it with me. I'll keep the list updated as the process moves along. -- 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 ]

21 years, 9 months

2
3
0 0

tracing out schematics

by julesrichardsonuk＠yahoo.co.uk

Has anyone got any useful tips for tracing out schematics? The SMPSU in this 'ere NCR Tower is toast, but it's a complex beastie as it's pretty huge and spread over two large boards. Is copying down component locations (but in their schematic form) to a sheet of paper the same sort of size as the PCB a good place to start? (Which can then be tweaked into a more sensible-looking schematic later) What about making a list of every component on the board and how many tracks leave it at each terminal, which can then be used for sanity checking? I'm not used to drawing out schematics for something this complex, so on smaller items I normally just muddle through somehow :) At least this one's only 2 layer... Aside: the PSU doesn't blow fuses, but is totally dead and doesn't even attempt to start. I found a dead 5W 10 ohm resistor (open circuit, no discolouration) in the live feed upstream of the bridge, which seemed like an odd component failure. I had a spare in the junk pile so replaced it, and that one immediately went the same way. The diodes in the bridge check out OK, the main filter caps aren't shorted, and the large chopper transistors (all 8 of them) seem healthy enough tested on a meter. Whether the filter caps are on the way out is another matter - no bulging/leakage though (I've got a homebrew ESR meter, but it's at the museum at the moment not at home) Startup for the machine is on the surface pretty complex; the switch on the front goes into the main backplane (multibus) and from there to who knows where. Then there are 12 low-power wires going between the backplane and the PSU (in addition to the main power lines) presumably for status monitoring / startup signal. Then there's going to be a lot of charging circuitry in the PSU for the system battery that keeps the memory alive when the mains power goes out... Hence the reason having done some obvious checks I really need to trace out the whole darn lot so I can see how the thing's even supposed to start up... :) cheers Jules -- PERSON 1: That's an awful gash on your forehead! How did you get it? PERSON 2: I bit myself. PERSON 1: How the hell did you manage to bite yourself on the forehead? PERSON 2: I stood on a chair.

21 years, 9 months

10
26
0 0

KIM, SYM, AIM, etc.

by chobbs＠socal.rr.com

> Still can't imagine a SYM-1 being worth $900. From $75 to maybe >$150 someplace is more like it. It has little to be note worthy >of that I know of. The KIM is more recognized as a historic >board. I doubt if that person though it was actually worth something >that they'd have thrown it away, regardless of what they said. > Still, for one rounding out their 6502 collection, the SYM-1 >is a nice item to have. >Dwight I sold a couple of Rockwell AIM-65's for about $100 each at VCF, though I didn't really test or know the condition of them. I've seen some of these board computers go for as high as $300 on Ebay, although Ebay prices tend to be higher because of the bidding wars...

21 years, 9 months

2
1
0 0

Sale of "free" stuff on eBay

by dave04a＠dunfield.com

>Hi Dave. Hi Sellam, >You make good points overall, but I don't think it takes very much effort >to contact the authors/producers of each contribution on the CD. It's >just a matter of basic courtesy. This would take maybe an hour or two of >e-mail. They're charging $50 per CD. That's about a dollar in production >costs and $49 of profit. Assuming they sell even 5, that's still a good >return for material to which they didn't contribute. The auction I looked at (briefly) showed $10 - if he is charging $50, then this is out of the "reasonable return for the convienence" catagory, and I would agree that he should be putting a bit more effort into how he acuuires the material. My point would more apply to thing like the SIMTEL collection - the CD set has a HUGE directloty listing which is "single line per item" - adding even one line of acknowlegement would double this size, and would be negative in effect (IMO) - And most people don't look at or care about each package on the set - they read the desciptions and unpack the stuff they are interested in, at which point they get exposed to all of the authors original material, promotional or otherwise - It these cases, the CD really is not much different >from an internet connection - its just a means of delivery. I looked at the listing at $10 and placed it in this catagory... I am also assuming that Rich's material is included on the CD in it's original form, as he prepared it - if not, then that would also cause me to have a problem with the CD. >You're referring to Al. I specifcally avoided mentining names, because I do not recall all of the details - this was intended as an example of how the "don't use my stuff" attitude has prevented me from obtaining some material, NOT as a flame on any particular person(s). >>Really annoying, considering that he doesn't have permission >> from most of the original authors, and claims to be preserving them and >> "making them available" ... but apparently only to the "high-speed" >> elite (but again I rant :-) > >He doesn't "claim" to be preserving them. He *IS* preserving them! >I'm sorry, but have some fucking respect. As noted above, this is not directed to a particular person ... And I DO have a great deal of respect for Al and others like him. And no dispute that these people are preserving important documents. But, anyone who takes the attitude "only to be distributed by download from my site" is NOT making them available to EVERYONE - it prevents me from obtaining much of the larger material (and doc scans tend to be large :-) No matter how well information is preserved, it is of no benefit if it is unobtainable. >> Lets have a show of hands ... anyone participatng in this list ever >> distrbure any material without obtaining explicit permission from the >> orignal author? > >The question is, do you make a practice of this? Yes, sometimes - see the "notes on documents and software" on my site for more information. Btw: I do have some of Rich's scans in my Altair section, and I *DID* contact him for permission, and he *IS* listed in my credits. I even gave him some scans of docs he was missing during our correspondance. A lot of the documents on my site have been scanned by yours truly, there are some from other sources, and some I don't even know/recall where they came from. so far nobody has minded, and as described in my "notes", I will remove any material if asked to do so by the holder of rights to that material. Rich's simulator is a bit of a different case than most "vintage material", because he is still around and supporting it. But he DOES give it away, and hasseling the creator of a $10 "collectin" CD will probably only result in its being excluded >from the CD, and I do not see how this benefits anyone. BUT - the choice as to what to do is ultimately Rich's .. He asked our opinion and I gave him mine. to quote Spock, he is free to "give it all the consideration it is due". For the record: My original material from my site is welcome to be included on collection CDs and any other reasonable uses. I don't do this for money (in fact it's quite the opposite :-), I don't do this for fame/recognition ... I do it because I want people to be able to see and experience something of the era that we enjoyed, before computers became another appliance (see my FAQ for a better description of my motives and activities). Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

3
2
0 0

An Actual On-Topic DILOG question

by aek＠spies.com

I've offered the Diablo 31 (RK05 emulators) to Al, but he hasn't indicated whether he wants the Q-bus controller or not. -- I would like it. d

21 years, 9 months

1
0
0 0

An Actual On-Topic DILOG question

by doc＠mdrconsult.com

;^) There are a DILOG DQ142 and a DQ142 QBus Pertec controllers on eBay right now. I have a PDP11/03 in the 18-bit backplane that seriously needs a storage option. I have a couple of TU80 drives, but only Unibus controllers for those. The questions are: either Dilog board is compatible with both the TU80 and the 18-bit backplane, right? And which is the better choice, the DQ132 or the DQ142? Thanks. Doc

21 years, 9 months

2
2
0 0

Possible Trade? HP48G < > HP67 | HP97

by ron.hudson＠sbcglobal.net

I have an HP48G with serial cable and User's Guide. I want an HP67 or HP97, - Preferably with quick ref or manual (or both) - Would be nice to have one where the magnetic card drive works (ie de-gummied) but I would be willing to de-gummie it myself if need be (with instructions :^)

21 years, 9 months

1
0
0 0

Ferranti Mercury

by julesrichardsonuk＠yahoo.co.uk

I don't think I posted this already :) Does anyone have any info lurking online about the Ferranti Mercury (specs, what roles the handful of machines that were made took on etc.)? The chap we got the BeBox, Lisa etc. from has an original programming manual for one (although nowhere does it say Ferranti - just 'Mercury') and it'd be nice to give him a bit more info about the machine itself. Google didn't turn up much when I tried, other than the single picture of the machine which seems to be common to a lot of sites. cheers J.

21 years, 9 months

12
21
0 0

Paper Tape Punch

by jrkeys＠concentric.net

Finally got my Facit 4070 Paper Tape Punch that I purchased last year home last night. I got the punch and a HP 9884A Tape Punch Operating and Service Manual and nothing else. Anyone have the adapter with cable for this and some HP paper tapes (#9280-0229)?

21 years, 9 months

3
3
0 0

FYI: identity theft

by jfoust＠threedee.com

At 04:25 PM 11/23/2004, Gary Fisher wrote: >Kind of a round about way to do credit card fraud, but on the other hand it puts the trail onto the hapless guys who paid for the items on eBay. As I pointed out in my first message, the credit-card-stealing seller hadn't even received payment from the eBay buyers in three of the four cases I found. So he's playing a game - hoping someone will pay faster than the time he needs to grab the money and run and before the credit card owner figures it out. >I hope you went to the eBay forums with your info, I suppose eBay will do nothing to warn anybody (scams never happen on eBay!). I'm looking forward to filing a complaint with local law enforcement, which will allow them to kick out a few subpoenas to request records that eBay / eGold / Yahoo / BestBuy / Staples won't release. It would give IP addresses, maybe other account info, maybe a trail to where the money went. I'm hoping the police will share the details with me, so I can assist in the investigation. >Any idea how your credit card info got to the scammer? No idea. This card was generally used only for business, about half-and-half in-person and online. - John

21 years, 9 months

1
0
0 0

HP 93788 cards?

by rigdonj＠cfl.rr.com

I picked up two HP cards that I think are from a HP 3000 but I can't find anything about them online. They're large cards with the number HP 93788-80041 on them and they have a daughterboard on them that's marked 93788 CII Chipset. Does anyone know what these are? Joe

21 years, 9 months

1
0
0 0

Pictures Re: Masscomp computers?

by rigdonj＠cfl.rr.com

Jules, Did you see this? <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=5141765514 &rd=1&ssPageName=WDVW#ebayphotohosting> Joe At 12:51 PM 11/25/04 +0000, you wrote: >On Wed, 2004-11-24 at 22:15 -0500, Joe R. wrote: >> OK I just finished posting some pictures of the Masscomp machine that I >> took apart. Here they are: > >Thanks for those! That's very different to our machine - ours is a big >tower setup; going from memory about 10" wide, maybe 24" deep and 36" >tall. If it weren't an hour's drive away I'd go take a look at it now >and see what it has inside... That sounds like a pedistal system. They also made a table top and rack mount systems but the manual mostly talks about the pedistal systems. > >> In no particular order these are: (1) this card that I can't remember >> what it is <http://www.classiccmp.org/hp/masscomp/unknown.jpg>. > >Not much in the way of large chips on that - given that and the size of >the connectors, it suggests some sort of data aquisition again to me, or >parallel output to something... > >> (6) The last card in the system (topmost) is a XMC (hard)disk/floppy/tape >> controller >> <http://www.classiccmp.org/hp/masscomp/XMC%20disk-floppy-tape%20controller%2 >> 0xylogic%20431.jpg>. I believe this actually a XYLogics 431 card. > >Hmm, that looks vaguely like NCR's Mass Storage Controller - quite >possibly the same board. I'll have to have a look; I've got an MSC >culled from a Tower 400 but it's not to hand at the mo (God knows *why* >I've kept it; it's of no use in my Tower 700 as that has a SCSI >controller) The manual says that there's also a XMD controller for LARGE (ESDI?) hard drives that only controls HDs. It uses an 8031 microcontroller and has a large connector (34 pin?) in the top center of the card and two smaller ones (20 pin?) on each side of it. And also a XMT card that can be used to control up to two Pertec 1/2" tape drives. That card also uses an 8031 and it has two large connectors on the top edge. I'm pretty sure that all three of the cards are XYLogics cards. The interesting thing about them is that they use I/O Parameter Blocks to communicate with them just like the Intel MDSs do. I'm not that familar with the structure of Intel's IOPBs but this manual has a detailed description of ones that these cards use so someone could check them against the Intel description and see if they're the same. If you'll post a picture of your card I'll compare it against the drawings in the manual and see if it matches. > >cheers! > >Jules > >

21 years, 9 months

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Happy Thanksgiving :-) (switch to fixed with font)

by chobbs＠socal.rr.com

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21 years, 9 months

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Masscomp computers?

by aek＠spies.com

http://www.classiccmp.org/hp/masscomp/unknown.jpg is an Ikon DR11 interface (assuming those two connectors are 40 pins)

21 years, 9 months

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KM11 maintenance module

by unibus＠gmail.com

> On Tue, 2004-11-16 at 16:25, Tony Duell wrote: > > > See if you can find the cpu manuals for an 11/70. There are some > > > documentation on the KM11 in those, I seem to remember. > > > > The original KM11 (I was given a pair _after_ making my homebrew > > version..) consists of 2 boards -- IIRC W130 and W131. One contains the > > switches and lamps, the other the driver transistors, etc. The latter > > goes into the backplane slot and had an edge connector on the end to > > connec to the former. > > I've done a version based on Tony's design. I'm about to send the board > out to be fab'd. I've sized it so that it should be able to take the > original overlays too. > > I'll be offering the PCB's (with schematic, BOM, etc) or PCB + parts + > docs for sale once I get the first boards back and debugged. > > The PCBs will be nice with silk screen, solder mask and gold edge > fingers. > > > > > I think I got the schematics in the RK11-C printset, certainly it's > > either there or in the 11/45 prints. > > > > -tony > -- > > TTFN - Guy I'd be interested in a kit for my 11/05. Think the overlay is shown in the Printset so I should be able to do my own ovelay when I find the manuals. Thought the KM-11 was also used on the LA180, been too many years to guarantee that (it could have been the RX01, one or the other). Regards, Garry

21 years, 9 months

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OT: Need Mac TCP Guru

by jpl15＠panix.com

I'd really like to exchange some Off-List mail with a Listmember who is fluent in Apple Mac Comms - I've got a very obsucre set of intelocking problems that is keeping my G4 from talking over it's ethernet port, which I need it desperately to do - so I can download some patches for *another* program that is misbehaving... aarrgh... If anyone is familiar with the intricacies of the TCP/IP implementation (currently running OS9.2.2) and could offer some advice, I'd be very grateful... Please respond off-list - thanks! Cheers John

21 years, 9 months

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Making CP/M disk images

by rcini＠optonline.net

Hello, all: I'm trying to make disk images of a CP/M disk from an MS-DOS machine so I can send the images to some one else to generate disks. The CP/M machine is a Micromint SB180. The PC is a standard Compaq 386. Both machines have HD 5.25" drives although the format of the disk is standard 40-track. I've used Copy-II-PC to make disk-to-disk copies with some success but the CP2PC software can't make images. I have not hooked-up the CP2PC floppy controller board yet, but that could be another test option. I've also used Teledisk 2.12, which can make disk images but I haven't been able to successfully regenerate a test disk image into a working diskette. Are there any other disk imaging programs out there for the PC that can read and archive CP/M-format disks? Thanks. Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/

21 years, 9 months

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facit 4070 schematic

by aek＠spies.com

found the schematic in some varian peripheral schematics am still working on trying to find an HP 2753A manual. Talked to Jeff M. tonight, he'll check his docs. www.bitsavers.org/pdf/facit/4070_schematic.pdf

21 years, 9 months

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Making CP/M disk images

by dwight.elvey＠amd.com

>From: "Richard A. Cini" <rcini(a)optonline.net> > >Hello, all: > > I'm trying to make disk images of a CP/M disk from an MS-DOS machine >so I can send the images to some one else to generate disks. The CP/M >machine is a Micromint SB180. The PC is a standard Compaq 386. Both machines >have HD 5.25" drives although the format of the disk is standard 40-track. Both are HD?? Are you using the first 40 tracks on the CP/M side as compared to alternate 40 tracks on the PC side? Usually when a PC program thinks it is using 40 tracks on a HD drive, it skips every other track. Unless the firmware on the CP/M machine has modified low level code for seeking tracks, it will single step between tracks. This could be an issue when doing images. You can always do some direct to controller stuff. Several of the books on writing code for PC's describe how to setup the DMA channels and talk to the controller. I've used that to get around the problem of the first track being single density while the rest of the disk was double density. Dwight > > I've used Copy-II-PC to make disk-to-disk copies with some success >but the CP2PC software can't make images. I have not hooked-up the CP2PC >floppy controller board yet, but that could be another test option. > > I've also used Teledisk 2.12, which can make disk images but I >haven't been able to successfully regenerate a test disk image into a >working diskette. > > Are there any other disk imaging programs out there for the PC that >can read and archive CP/M-format disks? > > Thanks. > >Rich > >Rich Cini >Collector of classic computers >Build Master for the Altair32 Emulation Project >Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ >/************************************************************/ > >

21 years, 9 months

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movies, open source, RMS and linux...

by msokolov＠ivan.Harhan.ORG

Doc Shipley <doc(a)mdrconsult.com> wrote: > I absolutely see RMS as the father of the open intellectual > "property" revolution, not just open software. Bu after the SIGLinux > deal, I have to say he's gone right over the top. The fundamental problem with RMS is that he cannot make a distinction between free software / open source *philosophy* (which ought to be applicable to *all* platforms regardless of technology) and his GNU project, which is one very specific technology with one very specific set of *technical* design decisions behind it (which I happen to disagree with most emphatically). The problem can be seen in how www.fsf.org redirects to www.gnu.org (or at least it did last time I visited). MS

21 years, 9 months

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Software for Apple I

by aek＠spies.com

How, exactly, do you plan on executing BASIC programs on an Apple I? You do realize that there was no built in BASIC, and the cassette interface was an option? The only firmware in the base machine was a 256 byte monitor program.

21 years, 9 months

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Masscomp computers?

by aek＠spies.com

it's an Excelan board, but doesn't give a model number -- It is a 201. Docs for the card and the basic firmware are on bitsavers. I'm trying to locate the manuals for the other (VME,Qbus,and Unibus) versions if anyone has them. The optional downloaded TCP stack had an interesting feature that the IP address was hardwired to the Ethernet adr. Between that, and it having worse performance than the code running on the main processor, most people ran the cards in logical link mode.

21 years, 9 months

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Looking for BCC computer

by dwight.elvey＠amd.com

Hi I'm looking for a 486 BCC laptop computer that I can use for spare parts. Mine has a video chip that seems to be failing. I forget the model number but it is one of the color ones. I use it for all kinds of transfers of data to my vintage machines so I'd like to keep it in working order( to keep things on subject ). Dwight

21 years, 9 months

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Dragon32 Power-Supply

by dwight.elvey＠amd.com

>From: "John Honniball" <coredump(a)gifford.co.uk> > >Dwight K. Elvey wrote: >> Although, not particularly good practice, as long as the >> power dissipation is kept down, this is a design within specifications >> of the part. They have built in current limit and are suppose >> to be able to handle continuous loads in current limit. >> This means that they can be paralleled. > >Hmmm... OK, but they still won't be sharing the current equally. >The one that has the lower current-limit point will be at >its full capacity, while the other one will have a smaller >share of the load. At least, that's how I understand it. It is true that they won't share. One will run until it reaches its max and then the other will pick up the rest. Remember, the biggest issue is the power ( how hot it gets ). That is related to voltage drop and current, not just current by it self. > >> I once talked with some application engineers at National >> about this type of operation. > >I'm sure I've seen a note somewhere to the effect "do not >connect in parallel", but of course I've no idea where I >read that! Some regulators do not have a current shut down. They you shouldn't parallel. Others are intended to run with the current limit. These can often be paralleled. The ones that only do thermal shut down shouldn't be paralleled. If you know the current load, one can add a parallel resistor. The current load has to be relatively constant. If the regulators are close, adding some series resistance can make them share. In some cases, even some additional circuit board traces may be enough. I've seen memory banks where there were regulators on either side of the array and both sides shared relatively well. This is just from the natural drop of the traces. Dwight > >-- >John Honniball >coredump(a)gifford.co.uk >

21 years, 9 months

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Daling with Mouse damage? (Not the computer kind)

by dave04a＠dunfield.com

Just took in a Superbrain-QD which was "stored" uncovered in a garage for the past 10 (or more) years ... It's got serious mouse damage - underneath and all around the monitor was stuffed with insulation, wood chips and bits - obviously a large nest. More seriously, both the main PCB and the power supply PCB are *COVERED* in mouse droppings, and *SOAKED* in mouse urine (mostly dried up now, but the damage has been done). Lots of corrosion and such, but it looks repairable.... But both boards are covered in a layer of dried urine, sprinkled with generous gobs of urine soaked manure (about the consistancy of fairly dry tar), which is "glued" to the board. This is the worst case of mouse damage I have seen ... I would very much appreciate any tips that can be offered on how best to clean the boards without damaging them... ??? Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

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Anti-Apple Commercial edit...

by aek＠spies.com

In Windows Media Viewer format, of course.

21 years, 9 months

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Difference between sun4, sun4c and sun4m subarchitectures

by msokolov＠ivan.Harhan.ORG

Hello ClassicCmpers, Does anyone know what are the real technical differences between sun4, sun4c and sun4m subarchitectures of SPARC from the viewpoint of an OS kernel writer? I know that SunOS treats them as different kernel architectures while Net/OpenBSD has a unified SPARC kernel, as does Linux if I'm not mistaken. I'm trying to evaluate the pros and cons of the two approaches. Reason: a friend of mine is porting 4.3BSD-Quasijarus to SPARC and I'm trying to help him with the key architectural decisions. We have the SunOS 4.1.4 source. MS

21 years, 9 months

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Sale of "free" stuff on eBay

by dave04a＠dunfield.com

> Tonight, I looked at Volume 5 and in the CD table of contents (link >above), I see "altair32 Project Altair Emulator.zip" and two other related >listings. As you all know, this is my baby and this person never had the >courtesy to ask my permission to distribute my albeit free software. > Am I crazy here? Should I contact this guy and ask him to remove it? >Should I ask him to place a link to the project page instead? How about >modifying the listing to include a "permission granted" message? > Any thoughts on this? Hi Rich, Personally, I don't have a problem when people include my free stuff on a collection CD which is nominally priced - what they are selling is convienence, not the material on the disk (which can be freely downloaded). Perhaps I appreciate this more than most, because I have to download through a dial-up connection. On a good day I get 25kbps - it takes *HOURS* to download even a few 10s of megs, let alone a CD or DVDs worth. It is often worth it to me to pay $10-$20 for a CD containing the material I want rather than to try and keep a connection up long enough to download it. Dynacomp is not "some guy", they have been around a LONG time. I have some titles for my Altair which were purchased from them back in the late 70s. I think they are a reasonable company, and given the amount of material on the CD, and the nature of the target audience, I doubt they are making a "killing" from your material. I understand that you may feel it is somehow "wrong" that someone makes a bit of money from your material, however consider: - Given the amount of material on the CD, the percentage which can be attributed to your project is VERY small. The overhead in contacting everyone on the CD, and handling "royalties" would prohibitive in this case, and such collection CDs would bascially not be possible. - Do you really think the price of the CD would go up/down if any one individual project is added/removed (Given that it is freely available elsewhere). - As noted above, Dynacomp is a real company - this is no different than Walnut Creek or other companies which sell compilation CDs. I've seen LOTS of my stuff on these, and have never been contacted for permission - and it has never bothered me. - What about ISPs ... if you don't want anyone to charge for a CD containing your project, then why do you allow people to charge for a network connection which is used to deliver your project? - To my mind, this is really not much differece, both are a form of media. - I expect part of your reaction is due to the fact that this is Ebay, not so much the fact that someone has included your project in a collection (which must have happened many times before). >Should I contact this guy and ask him to remove it? Do you have a reason why people who purchase this collection should not have easy access to your project? >Should I ask him to place a link to the project page instead? Give that I can find Altair32 with google (or any other search engine) easily on the first try, then do you really think it necessary to clutter up the Ebay listing with links (remember, if they do it for you, they should do it for everyone else). I don't think people normally use Ebay as a "links" resource - the listing is long enough as it is... >How about modifying the listing to include a "permission granted" message? Again, would this really benefit people looking at this collection? Would it really benefit you? See above comments regarding the size of the listing. Do you think anyone who is considering this collection really cares who explicitly have their permission (given that the material is freely available anyway). Returning to the ISP analogy, perhaps since people download via their network connection, all ISPs should be required to explicitly obtain permission from every author of every project which is available on the net, and display individual "permission granted" messages and links for each one (to make sure you are aware of this important detail) before allowing you to proceed with your connection (where you might access one of those projects)??? - Would doing so benefit anyone? [Yeah, this is stretching a point, however most of the people who buyt the CD will not access every project on it either, it is just a form of bulk media] Sorry to rant - but this is a pet peeve of mine - CD/DVD collections are one of the fews ways that I can obtain large "free" files. Authors who prevent their works from being included on these are going out of their way to make it very hard for me to obtain them (to no actual benefit to themselves). Granted it would be nice if they asked, but this is probably a lot of extra overhead in the preparation of a large project, and you *DO* make the project freely available to people who live in the city / have high-speed-connections. There was a similar thread a few months back, when one of the guys who maintains a site of archived manuals got upset that another guy was including some of "his" manuals on a DVD that he was selling for $30 (and gives to anyone who contributes material which is how I got it) - Insisting that I download the material prevents me from bring able to obtain most of the larger manuals (some of which I would really like to get). - Really annoying, considering that he doesn't have permission from most of the original authors, and claims to be preserving them and "making them available" ... but apparently only to the "high-speed" elite (but again I rant :-) Lets have a show of hands ... anyone participatng in this list ever distrbure any material without obtaining explicit permission from the orignal author? Regards, Dave Dunfield -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

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Ferranti Mercury

by aek＠spies.com

forgot to mention I'd like to get a copy of the programming manual to add to the archive. I have one other manual on programming the Pegasus from '58 that I need to get on line.

21 years, 9 months

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Ferranti Mercury

by aek＠spies.com

Ed Thielen has Livingston's "Early British Computers" on line http://ed-thelen.org/comp-hist/EarlyBritish.html Mercury was a valve machine from 1957 specs at http://ed-thelen.org/comp-hist/EarlyBritish-App.html#Ap-02

21 years, 9 months

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Free : Facit Ribbons

by birs23＠zeelandnet.nl

I dont know if anybody is interested in these but I have a bunch of unused Facit ribbon's for the Facit B3150 / B3350 / B3550 / D635 / E630 / E750. They are free for shipping costs or you can pick them up too offcourse. Located in the Netherlands. Cheers, Stefan. http://www.oldcomputercollection.com

21 years, 9 months

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Free : Facit Ribbons

by rimmer＠xs4all.nl

I dont know if anybody is interested in these but I have a bunch of unused Facit ribbon's for the Facit B3150 / B3350 / B3550 / D635 / E630 / E750. They are free for shipping costs or you can pick them up too offcourse. Located in the Netherlands. Cheers, Stefan.

21 years, 9 months

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Dragon32 Power-Supply

by dwight.elvey＠amd.com

>From: "John Honniball" <coredump(a)gifford.co.uk> > >Jules Richardson wrote: >> In the six or so Atoms that have passed through my hands though I've >> never had one with the original supply, so I can't confirm that :) (All >> of mine have either been kits - and I assume the PSU was optional - or >> previous owners have bypassed the regulators and used a more capable >> supply) > >Ah, that was a standard modification. The Atom uses two 7805 >regulators in parallel, which is not a good way to turn two >1A regulators into a 2A PSU. In practice, one regulator >(depending on the voltage tolerances of the parts) takes >nearly all the load, while the other regulator just sits >there. So, many Atom users who expanded their machines >also bypassed the regulators and added a proper external >supply. > >I'll check my boxed Atom in the loft sometime to see what >brick it's got. > Hi Although, not particularly good practice, as long as the power dissipation is kept down, this is a design within specifications of the part. They have built in current limit and are suppose to be able to handle continuous loads in current limit. This means that they can be paralleled. I once talked with some application engineers at National about this type of operation. Dwight

21 years, 9 months

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tracing out schematics

by dwight.elvey＠amd.com

>From: ard(a)p850ug1.demon.co.uk > >> >> Interestingly, there's no feedback between the low-voltage side of the >> switching transformer and the circuitry surrounding that SOC603B 6-pin >> IC, so maybe it isn't an opto-isolator at all. All the circuitry > >That does not suprise me. Since there's a pulse transformer in the >chopper base circuit, the controller IC is on the isolated side of the >PSU (the isolation is performed by the pulse transformer), so there's no >need for any optoisolator in the voltage feedback loop. > >One question. Have you found how the controller IC gets its power? Is >there a separate (maybe linear) PSU for this? > Hi I just thought I'd note that you don't need feedback if the transformer is just used to drive a square wave and not used as a flyback type. It just comes down to turns ratios for the voltage. If there is a post regulator, having a regulated switcher is not needed. Most PC supplies use a flyback type and regulate the 5V line by the switcher to maximize efficiency but I doubt HP was concerned about that. Dwight

21 years, 9 months

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hardware fault on SGI Indigo?

by fabtagon＠gmx.de

Hi everybody, I have an old SGI Indigo (IP12) which refuses my attempts to populate the harddisk with Irix 5.3. The harddisk doesn't boot, so I assume it to be empty. I get sashIP12 and fx.IP12 to load from cd, but using fx with that hd fails: SGI Version 5.3 IP12 Oct 31, 1994 fx: "device-name"= (dksc) fx: ctrl#= (0) fx: drive#= (1) ... opening dksc(0,1,) dks0d1s10: Drive not ready: RAM failure, ASQ=0x80. fx: warning: Failed to open dksc(0,1,10) SGI Version 5.3 IP12 Oct 31, 1994 (and the same again, if I want) Is it trying to open a non-existent partition dks0d1s10? Is it a software-fault? If it's a hardware fault: What's broken: hd or ram? The hd is in the bottom drive bay. After my enter keystroke in line 4 (drive#=1) the led flashes for a short time and at the same time (or maybe some millisecconds later) the error message appears. The error isn't very meaningful to me. Does anybody know about the problem or does have any hints? Thanks in advance, Fabian

21 years, 9 months

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Test -- please ignore

by news＠computercollector.com

(intentionally blank) ===== Tell your friends about the Computer Collector Newsletter! -- It's free and we'll never send spam or share your email address -- Publishing every Monday(-ish), ask about writing for us -- Mainframes to videogames, hardware and software, we cover it all Visit our web site for lots of extra content: http://news.computercollector.com Contact us at news(a)computercollector.com 600 readers and counting!

21 years, 9 months

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Sorta OT Mac G4 TCP question

by cb＠mythtech.net

> I get "Internal error #300" and "Mac OS error -23" pointing to a >funkyness on the part of the TCP/IP stack / driver / panel / thingy, as >far as I can see from looking up endless pages of error codes. And I've >made all the settings recommended... also, the cable is known good and >works perfectly when drug back into the office and hooked up to this >laptop upon which I type. I assume you have the OS Install CD that came with the Mac. Reinstall the networking portion (if it gives you an option). If not, just reinstall the entire OS. As long you don't do a "clean install" then it will safely drop the new OS right on top of the old one, and you shouldn't really know the difference. (clean install is NOT the default so you shouldn't have to worry about it). However, since you are seeing odd problems, I would run Disk First Aid first at the very least. If you have a better disk checking program, run that too (Tech Tools or whatever). There is a good chance there is some kind of disk corruption that killed the Open Transport drivers. If you don't have a copy of the OS that you can reinstall from let me know off list. (Apple keeps going back and forth with shipping a usable install CD versus just a reimage CD, so I don't know which you have) -chris <http://www.mythtech.net>

21 years, 9 months

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Dragon32 Power-Supply

by dave04a＠dunfield.com

At 19:54 23/11/2004 +0000, you wrote: >Dave Dunfield wrote: >> Can anyone give me the pinout and details of the power >> supply used on the Dragon32 (have a machine with no >> supply) - It has a 9-pin 'D' connector on the back of >> the machine for the power input! > >OK, I've just got my machine down from the loft and had a look >for the manual -- but I don't have a manual! So, time to test >it with a meter... > >Pin 1 joined to Pin 6, one side of 8.5V AC Red >Pin 2 joined to Pin 7, other side of 8.5V AC Black >Pin 3 14V AC Yellow >Pin 4 0V White >Pin 5 14V AC Blue > >The two 14V AC windings form a centre-tapped 28V winding, which >according to the label on the transformer is rated at 250mA. The >8.5V winding is rated 1.5A. The actual voltages I measured were >8.9V and 14.3V (twice), so they're slightly higher off-load. The >9-pin 'D' connector on the end of the PSU cable is a female. The >PSU itself is clearly just a transformer in a white plastic box. Hi John, Thanks for the info - makes perfect sense, an 8v input to drive a 5v supply, and C.T. 28v input to drive +/-12. I shall see if I can fire it up this weekend. Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Vintage computing equipment collector. http://www.parse.com/~ddunfield/museum/index.html

21 years, 9 months

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Sorta OT Mac G4 TCP question

by jpl15＠panix.com

Have a G4 400 running OS9.2.2, 1G ram, used as an 'appliance' computer in my studio. As a result of a bizarre problem in getting a new software package to authorize (so far the company can't figure out why it's broke - !) I need to hook the Mac up to the Rest Of The World and download a bunch of patches and crap. To date, I have never used this computer on-line - so I drug Cat5 cable in from the switch, hooked it up, and Voila! 'That Which Communicates' is also completely hosed. I get "Internal error #300" and "Mac OS error -23" pointing to a funkyness on the part of the TCP/IP stack / driver / panel / thingy, as far as I can see from looking up endless pages of error codes. And I've made all the settings recommended... also, the cable is known good and works perfectly when drug back into the office and hooked up to this laptop upon which I type. I've spent the better part of three hours turkey-ing about with this - and I have *way* too much invested in it to just heave it into the desert like I want to - so I thought to bend the List Protocols a bit and see if anyone has one of those "Oh, yeah, here's what ya do..." type responses. More info will be cheerfully supplied, I don't know what elese to add. Cheers John

21 years, 9 months

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KM11 maintenance module

by fm.arnold＠gmx.net

> >Message: 2 >Date: Wed, 17 Nov 2004 00:25:22 +0000 (GMT) >From: ard(a)p850ug1.demon.co.uk (Tony Duell) >Subject: Re: KM11 maintenance module >To: cctalk(a)classiccmp.org >Message-ID: <m1CUDdV-000JEQC@p850ug1> >Content-Type: text/plain > >> See if you can find the cpu manuals for an 11/70. There are some >> documentation on the KM11 in those, I seem to remember. > >The original KM11 (I was given a pair _after_ making my homebrew >version..) consists of 2 boards -- IIRC W130 and W131. One contains the >switches and lamps, the other the driver transistors, etc. The latter >goes into the backplane slot and had an edge connector on the end to >connec to the former. > >I think I got the schematics in the RK11-C printset, certainly it's >either there or in the 11/45 prints. > >-tony > The KM11 is also present in the 11/05 (11/10) printset I have. I would also expect this to appear in the 11/35 (11/40) printset too. The interesting thing is that in every different place the KM11 is used, a different overlay will redefine the meaning of the lamps, so in fact you will need this picture of the overlays too! Frank

21 years, 9 months

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FYI: identity theft

by GFisher＠tristonecapital.com

Wow! Nasty. Kind of a round about way to do credit card fraud, but on the other hand it puts the trail onto the hapless guys who paid for the items on eBay. I suppose eGolds records would just lead to some post office box or even worse, general delivery and i'm sure a battery of lawyers would be required to even get that far. New day, different scam! I hope you went to the eBay forums with your info, I suppose eBay will do nothing to warn anybody (scams never happen on eBay!). Any idea how your credit card info got to the scammer? Gary Fisher This e-mail and any attachments may contain confidential and privileged information. If you are not the intended recipient, please notify the sender immediately by return e-mail, delete this e-mail and destroy any copies. Any dissemination or use of this information by a person other than the intended recipient is unauthorized and may be illegal. Unless otherwise stated, opinions expressed in this e-mail are those of the author and are not endorsed by the author's employer. Original Message (edited for brevity)is below: Message: 39 Date: Tue, 23 Nov 2004 10:37:23 -0600 From: John Foust <jfoust(a)threedee.com> Subject: FYI: identity theft To: <cctalk(a)classiccmp.org> Message-ID: <6.2.0.14.2.20041123102938.0517b8b0@pc> Content-Type: text/plain; charset="us-ascii" Bound to happen! A few odd charges showed up on my business credit card. I caught it quickly, then went into gumshoe mode.

21 years, 9 months

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Anti-Apple Commercial edit...

by cvendel＠att.net

If you're looking for a good laugh, I just found this anti-Apple commercial, its very vulgar, so be forwarned! http://media.ebaumsworld.com/apple.wmv Curt

21 years, 9 months

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FW: Sanyo MBC 4050 computer available (Glasgow)

by julesrichardsonuk＠yahoo.co.uk

Hi all, Chap in Glasgow's got a Sanyo MBC 4050 CP/M machine which is surplus to requirements - anyone want? Apparently it's got all disks (OS, WordStar, CalcStar, Reportstar and Datastar) and docs, plus the guy thinks he has the original packaging in his loft. It's got a daisywheel printer with it too. His name's Richard Service - drop him an email directly at richardservice(a)ntlworld.com if you're interested. No connection with him - he conacted the museum with a view to donating it, but we're swamped with CP/M machines as it is! cheers, Jules

21 years, 9 months

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FW: Sanyo MBC 4050 computer available (Glasgow)

by msokolov＠ivan.Harhan.ORG

Joe R. <rigdonj(a)cfl.rr.com> wrote: > They're understanding as long as they're girlfriends. When they become > wifes it's a whole different story! Is it part of the marriage vows to support each other's Life's Work? Did you make it clear upfront when you first met that running classic computers is your Life's Work and Mission and that it is what you would be doing together for the rest of your life ("till death do you part")? MS

21 years, 9 months

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Help needed in the US

by williams.dan＠gmail.com

I have bought some cables on ebay but the seller will only ship with ups. The package is about 5kg. UPS are quoting over $100. Can anyone kindly receive them for me and forward on to me in the UK. They are 5 6ft dssi cables. Thanks Dan

21 years, 9 months

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IBM 3270 interfacing?

by mross666＠hotmail.com

Date: Sat, 13 Nov 2004 11:13:53 +0100 From: Tore S Bekkedal <toresbe(a)ifi.uio.no> Subject: IBM 3270 interfacing? To: cctech(a)classiccmp.org >Does anyone know anything about the protocol that the IBM 3270 terminals >uses on the BNC ports labelled I/O? Is there any possibility of hooking >this up to anything modern? 3270 terminals use... 3270 protocol, at the lower levels, to send noises down a coax wire. At the higher levels, you get into heavy-duty blue-glue acronyms you don't want to touch with a condom-covered bargepole. Like BSC, SNA... <shivers>. Here's the trick. These 3270 terminals hook up, not directly to hosts (well, except for a few special cases), but to terminal controllers. The least ancient of these are type 3174 - search ebay for IBM 3174* and you'll find a few usually. 3174-2x are best. Pay $10-$50 perhaps. These normally hook up directly to mainframes, via bus/tag channels or escon, or remotely to mainframes, via modems and wierd IBM protocols. You want nothing to do with either. The 3174s also came with options for token ring (pretty cheap now) and ethernet (still ruinously expensive) attachment. Get one of those, and get the latest version of the controller microcode (C6.4 I think) from IBM. This magic microcode allows you to also use the 3174 as a telnet client - you boot the controller, power on any coax-attached 3270 terminals - and the terminal displays a screen which essentially allows you to type 'telnet <hostname>' and connect, like any other telnet client or serial terminal (but with a funky keyboard!). See http://www.corestore.org/emuterm.htm for some my adventures with this stuff! Mike http://www.corestore.org

21 years, 9 months

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Found 1954 IBM manual

by wacarder＠usit.net

Today I was cleaning out my room over the garage, which is where I have my home office and my *MODERN* computers. In the process of cleaning out one of the desk drawers, I found an old manual that I knew I had kept since college in the 1970s, but I had lost track of where it was. It's a 1954 "Preliminary Manual of Information" for IBM Electronic Data Processing Machines, Type 702. It's 83 pages long and has lots of interesting information on the 702 system and its related set of peripherals and other items. On page 4 is a picture of an installation, with some 727 Magnetic Tape Units, an operator's console, a 712 Card Reader, the 702 Arithmetic and Logic Unit, a 732 Magnetic Drum Storage Unit, a 722 Card Punch, and a 717 Printer. The main storage unit can hold a total of 10,000 characters, which are stored as dot and dash charges on 3" cathode ray tubes. Does anyone on this list remember this kind of system? It is really interesting reading, looking at this manual and comparing to where we are today, or even where we were back in the 1970s, when I picked this manual up from the "free giveaway" table outside our college's computer room. Does anyone know if this manual exists in scanned form? If not, I'll scan it and send it to Al Kossow to put on bitsavers. Ashley

21 years, 9 months

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IBM PC, MAC+, Misc related items free for postage

by wpileggi＠juno.com

These items free for postage from 19001 - manuals/media sent book/media rate. All in good or better condition. Macintosh Plus 1MB/kybd/mouse/cables/dustcover. Works, no boot floppies, 20 pounds. IBM PC "B", mfd. May, 1985. Works. 23-30 pounds. IBM AT Technical Reference 3 ring binder - purple. Empty. IBM Personal Computer AT - Guide to Operations. Full manual with floppies - slipcase. IBM Proprinter X24E and XL24E Hardware Maintenance and Service. Full manual - slipcase. Couple hundred 360Kb floppies, used. Email me off-list. Thanks, Bill. ________________________________________________________________ Juno Platinum $9.95. Juno SpeedBand $14.95. Sign up for Juno Today at http://www.juno.com! Look for special offers at Best Buy stores.

21 years, 9 months

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DEC colours

by r_a_feldman＠hotmail.com

Companies like Munsel and Macbeth make special color cards for manufacturers. I remember seeing one made for Matel in "Barbie Pink" at the Munsel booth at a National Design Engineering Show some years ago here in Chicago. More recently, I've seen a color card set, the SalmoFan ™ (http://www.smithandlowney.com/salmon/), for grading the color of farm-raised salmon. Message: 26 Date: Fri, 19 Nov 2004 18:04:31 -0800 (PST) From: Vintage Computer Festival <vcf(a)siconic.com> Subject: Re: DEC colours To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk(a)classiccmp.org> Message-ID: <Pine.LNX.4.33.0411191802070.21610-100000(a)siconic.com> Content-Type: TEXT/PLAIN; charset=US-ASCII On Fri, 19 Nov 2004, John Allain wrote: >like the problem of describing right and left to an alien. Where do you >get the reference colors in the first place? Guess one of us has to find >a vendor for the three swatches to mail to requesting parties. And how do we know if DEC maintained the same reference colors throughout their company history? And if so, perhaps they faded over time? Maybe someone played shenanigans and switched them out with similar but different colors at some point? Who knows? Who cares! Color matching by eye is "good enough". -- Sellam Ismail Vintage Computer Festival

21 years, 9 months

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classiccmp server migrations

by jwest＠classiccmp.org

I am moving the websites off the old classiccmp server and onto the new one. This will be protracted over several days as I have time. After the sites are moved, then I'll dig into the mailman setup. So, anyone who has a free website on the classiccmp server (you all know who you are), please dont make changes to your sites for a few days. If you do, not a huge deal, just let me know and I'll make another pass for your site. Jay

21 years, 9 months

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