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

by jsw＠ieee.org

Sorry, I didn?t ask on this one. It looked like a well used/loved machine with some wear and customizations to the front panel Jerry > On May 22, 2016, at 9:51 AM, Bill Sudbrink <wh.sudbrink at verizon.net> wrote: > > Jerry Weiss wrote: >> I saw one Altair 8800 > > I haven't seen an Altair at a hamfest in this century. > Out of curiosity, what was the seller asking? > > Bill S. > >

10 years, 1 month

1
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General Question about UNIBUS backplanes

by billdegnan＠gmail.com

Background - I have a PDP 11/40 that came to me with a CPU backplane and a general purpose 4 slot peripheral backplane. The CPU backplane came to me connected to the 4 slot via a std 11/40 M981. In the 4-slot I have I have a working 64K solid-state RAM card, M7856 serial card, M9312 bootstrap/console card, and an RL02 drive controller. I can access RAM >from the console, run the console program (monitor program) off the M9312 through the serial card. I can't boot yet off the RL02 and I am thinking this is due to a termination issue, not sure yet. I decided I need more backplane to go any farther. So I decided to insert two 32K core memory backplanes in between the original two backplanes that came with the system. My plan is to replace the solid-state RAM card with core, and this will free up a slot on the 4-slot backplane for a terminator. Am I correct in my logic? I have connected the "new" backplanes using M920's. Imagine the original system with a core backplane wedged in the middle. Power seems fine, DC LO AC LO fine. Right now there is nothing in the core backplanes, First I want to verify that I have them arrayed correctly and that I can still communicate with the (now) 4th backplane in the back. I can run "chase the lights" from the console but the serial card seems to have stopped working. It appears that the console program is being loaded and runs from the M9312 but nothing is appearing on the terminal. I cannot send an "A" to the terminal, the most basic test I can think of. Could be the the M7856 card decided to die on me just now, or something else is wrong. Does anyone have a PDP 11 /05/10/35/40 and have experimented about what you can and can't do with backplanes? I know that there are a lot of variables here, so I'd like to start with the basics Basic Question #1 Do I need grant cards in *every* empty slot of the core backplane, including the end slots with the M920's? Basic Question #2 Can you only use the core backplanes for core memory (assume yes), or are they capable of holding other types of cards temporarily? (yes/no/maybe) I am researching the system config on my own, but I thought if anyone had any advice I'd love to hear it, make troubleshooting a little easier. I have read up on the subject: http://retrocmp.com/how-tos/setup-a-pdp-11-unibus-backplane https://trmm.net/PDP-11 I see this is not a simple little thing. Working to find more GC cards now. Thanks b -- @ BillDeg: Web: vintagecomputer.net Twitter: @billdeg <https://twitter.com/billdeg> Youtube: @billdeg <https://www.youtube.com/user/billdeg> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>

10 years, 1 month

3
5
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VGA Error Code from DECpc AXP 150 (Jensen)

by robert.jarratt＠ntlworld.com

I am hoping to install Windows NT 3.1 on my Jensen. Unfortunately I am getting an error code relating to VGA. The tech docs I have make no mention of this code, anyone know what it means: VGA ?? 06 0020 Regards Rob

10 years, 1 month

2
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Hamvention

by alexmcwhirter＠triadic.us

Anyone spot anything list related at hamvention? I'm around trying to find anything cool. Particularly sun and ibm stuff. Sent from my T-Mobile 4G LTE Device

10 years, 1 month

4
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Hamvention

by alexmcwhirter＠triadic.us

I picked up one of those power systems, the other was gone before I got to it. The only things I can add are an amiga and tons of cisco network gear. Not a whole lot this year I suppose. Sent from my T-Mobile 4G LTE Device -------- Original message -------- From: Brian Marstella <brian at marstella.net> Date: 5/22/2016 12:09 AM (GMT-05:00) To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: Re: Hamvention After Alex mentioned it, I'd thought about driving up if anyone saw anything of interest, but sounds like there isn't a great deal to pick from for older computers. I really can't justify the drive anyway, this year... Brian KI4GTD On Sat, May 21, 2016 at 11:48 PM, Jerry Weiss <jsw at ieee.org> wrote: > I saw one Altair 8800 and one TRS-80 III out in the swap fest.? Some more > recent power (5?) series, but that?s about it. > > Jerry WB9MRI > > > > On May 20, 2016, at 1:18 PM, Alex McWhirter <alexmcwhirter at triadic.us> > wrote: > > > > > > > > > > Anyone spot anything list related at hamvention? I'm around trying to > find anything cool. Particularly sun and ibm stuff. > > > > Sent from my T-Mobile 4G LTE Device > >

10 years, 1 month

1
0
0 0

Making MAINDEC paper tapes with a 33 ASR

by chd＠chdickman.com

I need to make some paper tapes of the diagnostics for my PDP-8/e. I built an RS232/current loop interface and have it working I think Did anyone else notice that the standard cable to connect the M8655 to a tty uses shielded twisted pair cable, but doesn't have the signal pairs in the twisted pairs? This same cable is used with the DL11 too. -chuck

10 years, 1 month

1
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MINC is going to Pete Turnbull

by spedraja＠gmail.com

Congratulations, Pete. I'd like to put some day my hands in one of these but work and distance (Spain) make it complicated. Perhaps in some years >from now. Kind Regards Sergio

10 years, 1 month

2
1
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MSI 6800

by vintagecomputer＠bettercomputing.net

Thanks Kip! I did manage to get it going. Turned out the switches for baud rate are not labelled accurately. It has a monitor called Weebug.. no idea how to operate it. :) ?Hoping it's similar to SWTBUG, MIKBUG etc. Brad Sent from my Samsung device -------- Original message -------- From: Kip Koon <computerdoc at sc.rr.com> Date: 2016-05-21 4:29 AM (GMT-08:00) To: "'General Discussion: On-Topic and Off-Topic Posts'" <cctalk at classiccmp.org> Subject: RE: MSI 6800 Hi Brad, I found these two links.? I hope they help. < http://www.old-computers.com/museum/computer.asp?st=1&c=732> < http://www.hinkles.us/chuckbo/MSI-6800/index.htm> Take care my friend. Kip Koon computerdoc at sc.rr.com http://www.cocopedia.com/wiki/index.php/Kip_Koon > -----Original Message----- > From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Brad H > Sent: Friday, May 20, 2016 10:31 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: MSI 6800 > > > > Hi there, > I have acquired an MSI 6800 (SS50) computer and am trying to figure out how to get it going.? I am reaching out everywhere hoping to > find someone with knowledge of these as I have searched around extensively and cannot find a manual. > With a null modem cable connected to a PC I can get a response from the computer by typing things or resetting it, but the output is > garbled.? I know the baud rate but at present have no way to determine the other settings like bit, parity, etc. > Any help/advice would be appreciated! > Brad > Sent from my Samsung device

10 years, 1 month

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MINC is going to Pete Turnbull (tony duell)

by mark＠matlockfamily.com

> I would hope whoever gets it is prepared to exchange information. There is no > software with my machine, of course. Pete, Congrats! Once you pick up the system feel free to contact me about getting copies of the limited software I have for the MINC at this time. They are great systems to experiment with. Mark Matlock > > In case anyone is worried I am keeping 2 MINCs myself. One is an RL01-based > one that I have pulled the CPU, RAM and Bootstrap cards from and hung it off > a DW11-B (Unibus-Qbus interface) on a PDP11/45 (yes, that does work!). I've not > got the 11/45 running after the house move, but it is all there and sorting it out > is just a matter of time The other MINC is a MINC-23 (PDP11/23 CPU board), > with an RX02. I am also keeping at least one of every MINC module I have > ever owned, including MNCAG (analogue preamplifier) and MNCTP > (thermocouple interface). Tony, Using a DW11-B to connect the MINC to a PDP-11/45 sounds fantastic! What a neat idea! I have all the MINC modules except the MNCTP thermocouple interface and the MNCAM analog mux. With the modified BDV11 I've been able to boot 11/03, 11/23 and 11/73 CPUs. I run either RT-11 and RSX11M by changing MicroSD cards on the UC07 / SCSI2SD drives (configured as 4 150 MB drives). I understand some MINC-23s ran RSX and would love to find any drivers for RSX and the MINC modules. Mark Matlock

10 years, 1 month

3
2
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Best LCDs for retrocomputing - Was: Re: New *square* 1:1 26.5"LCD monitor 1920x1920

by robert.jarratt＠ntlworld.com

I tried the Dell on my Rainbow, but unfortunately it did not work. Looks like I would need the scan doubler that was mentioned. Regards Rob > -----Original Message----- > From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Rob Jarratt > Sent: 17 May 2016 07:31 > To: Ian Finder <ian.finder at gmail.com>; General Discussion: On-Topic and > Off-Topic Posts <cctalk at classiccmp.org> > Subject: RE: Best LCDs for retrocomputing - Was: Re: New *square* 1:1 > 26.5"LCD monitor 1920x1920 > > I?ll let you know in a few days when I get back home. > > Regards > > Rob > > Sent from my Windows 10 phone > > From: Ian Finder > Sent: 16 May 2016 23:48 > To: Jarratt RMA; General Discussion: On-Topic and Off-Topic Posts > Subject: Re: Best LCDs for retrocomputing - Was: Re: New *square* 1:1 > 26.5"LCD monitor 1920x1920 > > Addendum- > > This thread (http://www.vogons.org/viewtopic.php?f=46&t=44692) seems > to indicate the 2007FP CAN do 15hkz on the VGA / RGB input... so maybe > you're all good. Anyone here want to test? > > On Mon, May 16, 2016 at 3:46 PM, Ian Finder <ian.finder at gmail.com> wrote: > This post: http://www.vcfed.org/forum/archive/index.php/t-16744.html > Seems to indicate that the Rainbow is a 15khz sync signal, more akin to > normal interlaced video- which I called out in my other post as being the > one type of signal that doesn't always work for these displays. > > You may find success using a GBS-8220 scan-doubler, (ebay, c. $28 > USD), perhaps with a sync-strainer circuit to feed the SoG signal to the Scan > Doubler as composite sync, if it doesn't work directly with the 2007FP. > > Curious to hear what you figure out. > > > > On Mon, May 16, 2016 at 3:25 PM, Jarratt RMA > <robert.jarratt at ntlworld.com> wrote: > > > > > On 16 May 2016 at 22:52 Adrian Graham > ><witchy at binarydinosaurs.co.uk> > > wrote: > > > > > > On 16/05/2016 20:13, "Ian Finder" <ian.finder at gmail.com> wrote: > > > > > I dunno if it's relevant or not, but my go-to LCD for retro > >stuff is the > > > Dell 2007FP- > > > There was a panel lottery, some are TN, some IPS. Both are solid. > > > > > > They are 4:3, 1600x1200 native. > > > > > > They have DVI, VGA, Composite and S-Video inputs, and very > >stellar > > > scalers. > > > > In fact there was one available for ukp35 so it's now mine. I > >remember these > > monitors from a few years ago at a customer that specialised in > >video for > > aeroplanes, I used one not quite daily but remember being irked at > >the time > > that it was several button presses needed to get from VGA to DVI > >input, > > hahaha. > > > > > He had another one at that price (the last one apparently), so I have bagged > that one. I tried my Viewsonic, which does SoG, on my Rainbow at the > weekend, but that didn't work, perhaps this will. Even if it doesn't it will still > be a good second monitor for my everyday PC. > > Regards > > Rob > > > > -- > Ian Finder > (206) 395-MIPS > ian.finder at gmail.com > > > > -- > Ian Finder > (206) 395-MIPS > ian.finder at gmail.com

10 years, 1 month

1
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MSI 6800

by vintagecomputer＠bettercomputing.net

Hi there, I have acquired an MSI 6800 (SS50) computer and am trying to figure out how to get it going. ?I am reaching out everywhere hoping to find someone with knowledge of these as I have searched around extensively and cannot find a manual. With a null modem cable connected to a PC I can get a response from the computer by typing things or resetting it, but the output is garbled. ?I know the baud rate but at present have no way to determine the other settings like bit, parity, etc. Any help/advice would be appreciated! Brad Sent from my Samsung device

10 years, 1 month

2
1
0 0

MINC is going to Pete Turnbull

by ard＠p850ug1.demon.co.uk

Well, the Subject: line gives the result of by decision. I have decided (after much thought, it was not easy!) to give the surplus MINC to Pete. I wish I had more spare MINCs so I could give each of you one. Perhaps the only consolation is that there may well be other machines up for grabs as I continue to sort out. Pete, we need to agree a time for collection. Thanks to everyone who responded. -tony

10 years, 1 month

4
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Best LCDs for retrocomputing - Was: Re: New *square* 1:1 26.5" LCD monitor 1920x1920

by ian.finder＠gmail.com

I dunno if it's relevant or not, but my go-to LCD for retro stuff is the Dell 2007FP- There was a panel lottery, some are TN, some IPS. Both are solid. They are 4:3, 1600x1200 native. They have DVI, VGA, Composite and S-Video inputs, and very stellar scalers. They sync to SoG, and have no trouble with oddball resolutions like 1152x8-whatever. My SGI stuff can drive it at native resolution. As an added bonus, you can disable scaling if you want black bars and native resolution. These are readily available for ~$35, and I have at least 6. - Ian On Mon, May 16, 2016 at 12:07 PM, Chuck Guzis <cclist at sydex.com> wrote: > On 05/16/2016 11:49 AM, Ethan Dicks wrote: > > > I have been keeping my eye out for older panels. I have some 12" > > 4:3 and a few 17" 4:3 and I think one 19" 4:3. Never run across > > anything larger. I don't think there were too many 4:3 LCD > > televisions sold larger than 19"... some, perhaps, but not many. The > > world switched to 16:9 about the time prices started falling on > 19" > > panels. > > > > I have a couple of arcade cabinets I'd love to switch to LCD. No > > luck yet except with a 16:9 that would fill the cabinet space but > > give me a black bars and a smaller playfield size than the CRT. > > > I use a NEC 21.3" 4:3 monitor--they can be had for cheap. > > NEC sells a few refurb very inexpensive 4:3 19" monitors that accept SOG: > > http://www.necdisplay.com/category/desktop-monitors?Refurbished=1 > > --Chuck > -- Ian Finder (206) 395-MIPS ian.finder at gmail.com

10 years, 1 month

14
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Passing of R. Tomlinson

by c.murray.mccullough＠gmail.com

Sorry about being late: Raymond Tomlinson, email inventor, sadly passed on to the 'cyberworld' in March of this year. In this Age of the Internet, we're communicating with his invention and sharing our hobby throughoutthe world. Imagine 100 yrs. ago how we would have done this! Happy computing. Murray :) .

10 years, 1 month

7
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Classics long overdue a Boot.

by austinpass＠gmail.com

Swift's thread on the "ones that got away" got me thinking about another source of guilt/regret common to the classic computer collector: Systems we've neglected or failed to boot recently. I've had a re-jig of my storage, and whilst it was great to uncover gems that I'd forgotten I even had, it also brought some regrets for the systems I've neglected - lots of them not booted in 10 years or more. Because they were easily accessible I pulled out my Colour Classic and G4 Cube (is the latter on-topic through the "10 year rule" or are we sticking to pre-millenials?): https://www.dropbox.com/s/2c70f4flucjo3f6/IMG_7576.jpg?dl=0 Quick check-over and they both booted just fine! The systems I'm feeling really guilty over neglecting are: SGI Crimson VGX (skins perfect but needs some TLC before power-on) Micro PDP 11/83 (same) Maxed-out Acorn A3000 (my home-brew external SCSI Podule needs finishing) And I have a vast box of Sinclair Specturm games on tape that would probably take the rest of the year to load if I fired up my +2 and played them sequentially! -Austin.

10 years, 1 month

15
31
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RSTS/E

by rodsmallwood52＠btinternet.com

Hi I'd like to load RSTS/e on my 11/83. I have TK50's available so I guess the question is how do I get or create an install TK50 tape with RSTS/e on it Rod

10 years, 1 month

6
10
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Beam-penetration color CRT, Tektronix DAS 912x (was Re: Nice LAB11 brochure.)

by spacewar＠gmail.com

I got out my Tektronix DAS 9129 logic analyzer mainframe, which uses a red/green/yellow beam penetration CRT. It uses raster scan, whereas my other device with a beam penetration CRT, the HP 1338A (also red/green/yellow) is a vector (X-Y) display. I'm pleased to find that the 9129 passes self-test and the display works. Unfortunately I do not have any logic analyzer acquisition or pattern generator modules for it, so other than admiring the pretty display, it's only useful as a boat anchor.

10 years, 1 month

4
8
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Pascal/8002 or other compilers for Tek 8002 dev. system?

by spacewar＠gmail.com

Does anyone have information about (or a copy of) the Pascal Development Co. Pascal/8002 Universal Program Development Package, that ran on the Tektronix 8002 development system? The only thing I've found is a blurb in Computerworld 1979-08-13 p. 56. Alternatively, I'm very interested in any other compiler that ran on the 8002 and produced p-code or bytecode, or any such compiler running on ANY machine which Tektronix may have used for product development. They might well have done cross-development from a mini or mainframe, but I'm guessing that they probably used their own 8002 system. Context: the Tektronix DAS 9100 logic analyzer is Z80 based, and contains many ROMs, mostly 8KB MK36000 series masked ROMs and MCM68764 EPROMs, but only one ROM appears to contain much actual Z80 code. That 8K ROM is labeled "INTERP" and contains a bytecode interpreter. Apparently all the other ROMs are full of bytecode. The bytecode does not match the UCSD p-code nor the ETHZ P4 p-code. I've started disassembling it, but haven't yet learned too much.

10 years, 1 month

1
1
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MSI 6800

by bradhodge75＠gmail.com

Hi there, I recently acquired a Midwest Scientific Instruments 6800 computer. Been meaning to set it up but was working on restoring a couple of SWTPC terminals first. It has a SI-1 serial board in it and what looks like a second serial board absent manufacturer markings. The SI-1 has configurable baud rate, but I do not know what the other settings should be (ie. 7 or 8 bit, how many stop bits, etc.). I'm working with a PC terminal for now, and the MSI does react to keys being pressed, but it just produces jibberish. I have the baud rate at 1200 and have tried 7 bits, 1 stop bit, Even parity, odd parity, 2 stop bits, 8 bits, etc.. but no avail. Wondering if there's a manual extant out there or anyone with really good memory on how to get these things communicating. Thanks!! Brad

10 years, 1 month

1
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classics I threw away or sold ... foolishly

by swiftgriggs＠gmail.com

I've stack-ranked all the classic items that I, to my everlasting shame, let go of at some point and now I feel like it was a mistake: 1. Amiga 2500. I ditched it thinking I'd pick up a 3000 then never did. Ugh. It was free. They were using at some radio station where I helped them fix their PCs but then decided I wanted their Amiga (stashed in a closet) to subsidize my fee. 2. SGI Indigo R4400 with pristine KB + mouse, Maxxed RAM, and Elan. Ugh. /me bangs head against wall 3. Mac IIci with 060' accelerator. I put the accelerator in and paid $$$ for it. Darn it. That was a cool system. 4. Sun Voyager. These go for a fortune now on Ebay. I *gave* mine away. Not this one: https://en.wikipedia.org/wiki/The_Sun_Voyager This one: http://tinyurl.com/lhzjfks 5. NeXTStation Color Turbo. I got tired of the proprietary-everything and the space it was taking to keep it working and pristine. Still. I wish I hadn't sold it. 6. Mac Quadra 660AV. This was a pizzabox M68k classic mac with a video frame capture (a crappy one but still...) capability. I notice you can't really even buy classic macs on ebay anymore. There used to be scads of them. Damn... does that mean I'm old now? 7. SGI Origin 200 dual R12k 270Mhz. It's the top model Origin 200 and it had good skins etc... If I had it today it'd be running in my garage with the rest of the zoo. I had to ditch some gear to move way back when, and this box was a casualty. 8. Sharp Wizard OZ-8000 organizer. This thing rocked. I'd probably be tempted to *use* it. I got a lot of mileage out of it "back in the day". It ran on a Z80 and took AAA batteries (yes!). Plus I had (and maybe I still do) a DB9 serial interface for it. You could use it as a vt220 terminal, IIRC. 9. Atari Lynx. I had all the cool games. Like a fool I sold mine for some quick money in college to help fund a silly trip with some chick who is long gone long ago. Ugh. I'd rather have the Lynx back... 10. TRS-80 model 100. I didn't really like it that much, but nowadays it'd look cool in my collection and I have more nostalgic love for the trasheighty. Plus it takes AA batteries (I love that!). -Swift

10 years, 1 month

24
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Classics long overdue a Boot.

by radiotest＠juno.com

At 04:57 PM 5/19/2016, Austin Pass wrote: >Systems we've neglected or failed to boot recently. My Amstrad PPC-640 gets booted a couple-few times a year when I need a native MS-DOS machine with a real serial port for work on some vintage broadcast hardware. I need to dig out the three CP/M machines (Osborne 1, Kaypro 4-84, Kaypro 1) and see if they will play, as they have not been booted in about a decade. Dale H. Cook, Roanoke/Lynchburg, VA Osborne 1 / Kaypro 4-84 / Kaypro 1 / Amstrad PPC-640 http://plymouthcolony.net/starcity/radios/index.html

10 years, 1 month

4
3
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Tek 4051 troubleshooting

by ian.finder＠gmail.com

Hi folks, I picked up a rather nasty Tek 4051 and gave it a good cleaning. It has an issue with the power supply. Before I dive in properly myself, I thought I'd just ask: Has anyone seen a behavior where- 1) With the main logic board attached, the power supply makes a loud buzz / hum. the +12 rail reads approx. 9v and the 15v rail is 13.5 or so. All lights turn on as the cpu is obviously not running. 2) With the main logic board detached from the power supply (no load at all on those rails?) I get a healthier 14.8 on the 15v rail and approx. 12 on 12. No hum / buzz. I believe the supply is linear. I suspect bad caps and a bad diode, but wanted to check here. also in testing 2), one of the weird resistor network film packages on the deflection board got really hot and made a smell. I hope it still works- will certainly not be testing with the main board unplugged again. Flood gun seems to be working. - Ian -- Ian Finder (206) 395-MIPS ian.finder at gmail.com

10 years, 1 month

1
0
0 0

PDP-11/34a hung bus problem.

by jnc＠mercury.lcs.mit.edu

> From: Ed Groenenberg > After hooking up the PMK05 to the unibus, the machine was powered up > with the memory card, and the 'NPG' led was on. Oh, that's truly wierd. Most memory cards don't even connect to any of the bus request/grant lines - they often have short loopbacks from each 'grant in' pin to 'grant out' - not sure about NPG because canonically, that is jumpered through on the backplane. A couple of things to check: First, does that memory even have traces connected to the NPR/NPG-in/NPG-out pins? Second, does a different, known working card, provoke any problems in that slot? (E.g. your serial interface card?) I'm wondering if the problem is the slot, not the card. Noel

10 years, 1 month

3
3
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MSA & HSZ batteries - AA NIMH trick-swap available?

by swiftgriggs＠gmail.com

Has anyone ever found a way to beat HP at their game of putting ridiculously low-quality proprietary batteries on their RAID controllers? I had no end to trouble with HSZ batteries dying back in the day. Nowadays I still have an old MSA1000 with similar looking batteries. The part numbers are 401026-001 (right) & 401027-001 (left). Has anyone ever seen some kind of caddy or carrier that can replace these ? They are very oddball in shape. They clip onto the boards with plastic friction shields. However, there is greater clearance on the MSA1000 controller board than is needed for these batteries. Since it's 4.8v I'd love to replace this with qty=4 1.2v NIMH AA or AAA batteries. They'd probably last longer anyway. There is nothing magical or special about these battery packs, correct? If I find something mechanically workable and with matching voltage can I not use that as a replacement? I really don't care if I have to solder it on. The folks who sell replacements for these online tend to not say if they are new, used, tested, etc... I don't trust them enough to send them $40-$120 for the replacement. -Swift

10 years, 1 month

1
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Surplus DEC MINC

by mark＠matlockfamily.com

Tony, Too bad your MINC is so far from me. I would love to have the spare parts and RL01s to assist in my MINC restoration. I would like to collaborate with who ever gets your MINC. Some other kind souls on this list have helped me with copies of the Lab Subroutine Package software and Scientific Subroutine Package software for MINC. I have my MINC-23 running with a 11/23 CPU and an Emulex UC07 / SCSI2SD so I can transfer RT-11 software from various internet web sites to a microSD card and run from it. I had to upgrade my BDV-11 with new EPROMs to boot a DU device (Thanks to Malcom McLeod for the EPROM images!) I have used both RSX11M (not plus as it is an 18 bit system) and RT-11 on different SD cards and it runs both fine. I currently have the A/D, Digital Output, and Digital Input modules all working with Macro-11 code I wrote but am having trouble getting the MINC clock to work as it appears to have a different CSR format than the LPS-11 or KWV-11C. A user's guide for it would be greatly appreciated. The MINC-11 engineering drawings have been scanned and are certainly helpful. Also, anyone trying to connect to the DB9 terminal blocks for the DLV-11J should be aware that the pin out is NOT the common DB9 RS232 pin out. It takes a special DB9 to DB25 cable DEC provided or some wiring experimentation with an RS232 breakout box. The engineering drawings do document the connections however. Best regards, Mark Matlock > From: tony duell <ard at p850ug1.demon.co.uk> > To: "cctalk at classiccmp.org" <cctalk at classiccmp.org> > Subject: Surplus DEC MINC > Message-ID: > <A8192EF71C5C4946A240D25EDC8F9448027F4B3F at EXMBX15.thus.corp> > Content-Type: text/plain; charset="us-ascii" > > I have a DEC MINC that I don't _really_ need and wonder if anyone is > interested. > > It's the hard disk model. A half-height rack containing a pair of RL01s > and a power controller with the MINC CPU box bolted on top. It > contains the normal cards : > PDP11/03 CPU > M8044 memory (30kW IIRC) > DLV11-J (4 RS232 ports) > IBV11 (IEEE-488 interface) > RLV11 > Some parallel printer interface (LPV11?) > BDV11 (Bootstrap/terminator) > > And 7 MINC modules : > MNCAA (ADC) > MNCAD (DAC) > 2 off MNCDI (16 bit digital input) > 2 off MNCDO (16 bit digital output) > MNCKW (clock generator) > > Bad points : > > It is untested, assume it needs repair (but the boards, etc are intact) > I would recomend doing electrical safety tests before applying mains! > > No connector blocks for the MINC modules > > No disk packs (but I might be able to find some) > > No terminal or cable (but not hard to sort something out) > > It could do wth cleaning (if you spin up the drives they will almost > certainly headcrash). But no smoking near it ever. > > It MUST BE COLLECTED from me (SE London, near Bromley, not too far > from M25). There is no way I can ship it. I will help dismantle it into > units and load it into your car/van (I think it will all go in an estate > car). > > Good point > > It's free. I do not want any money for it. > > I want it to go to somebody who will make use of it (either restore it, put it > on display, or use it for spare parts for PDP11s), not somebody who wants > to raid the gold from the edge connectors. > > -tony

10 years, 1 month

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Seeking OS for Altos 486 S1000

by cc＠informatik.uni-stuttgart.de

Hi, I was given an Altos 486 Series 1000, and albeit its name sounds promising, it's not the classic Z80 based Altos 486, but a modern UNIX machine with i486 processor (non-PC architecture) from around 1992. Problem: no tapes, no hard disk (was removed as it contained sensitive data). Has someone by any chance have images of the OS (don't know whether they are on QIC tapes or on 5.25" floppies) ? OS should be some AT&T UNIX called Altos System V. Christian

10 years, 1 month

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LK401 Keyboard

by aaron＠aaronsplace.co.uk

Hi all, Bought a VT420 off eBay last night which should be arriving sometime this week. Unfortunately it doesn't come with a keyboard. Is there anyone near Nottingham (UK) willing to sell an DEC LK401 keyboard for a fair price? Thanks, Aaron

10 years, 1 month

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Surplus DEC MINC

by ard＠p850ug1.demon.co.uk

I have a DEC MINC that I don't _really_ need and wonder if anyone is interested. It's the hard disk model. A half-height rack containing a pair of RL01s and a power controller with the MINC CPU box bolted on top. It contains the normal cards : PDP11/03 CPU M8044 memory (30kW IIRC) DLV11-J (4 RS232 ports) IBV11 (IEEE-488 interface) RLV11 Some parallel printer interface (LPV11?) BDV11 (Bootstrap/terminator) And 7 MINC modules : MNCAA (ADC) MNCAD (DAC) 2 off MNCDI (16 bit digital input) 2 off MNCDO (16 bit digital output) MNCKW (clock generator) Bad points : It is untested, assume it needs repair (but the boards, etc are intact) I would recomend doing electrical safety tests before applying mains! No connector blocks for the MINC modules No disk packs (but I might be able to find some) No terminal or cable (but not hard to sort something out) It could do wth cleaning (if you spin up the drives they will almost certainly headcrash). But no smoking near it ever. It MUST BE COLLECTED from me (SE London, near Bromley, not too far >from M25). There is no way I can ship it. I will help dismantle it into units and load it into your car/van (I think it will all go in an estate car). Good point It's free. I do not want any money for it. I want it to go to somebody who will make use of it (either restore it, put it on display, or use it for spare parts for PDP11s), not somebody who wants to raid the gold from the edge connectors. -tony

10 years, 1 month

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Windows 1.0 For DEC Rainbow

by robert.jarratt＠ntlworld.com

I understand that DEC created a version of Windows for the Rainbow. Does anyone have this? Regards Rob

10 years, 1 month

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Genicom 3410 printer maint manual needed

by COURYHOUSE＠aol.com

Genicom 3410 printer maint manual needed Anyone have one? Drop me a line offlist. Thx Ed#

10 years, 1 month

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New *square* 1:1 26.5" LCD monitor 1920x1920

by swiftgriggs＠gmail.com

Does anyone have a EIZO FlexScan EV2730QFX-BK monitor? I currently own an NEC MultiSync 17" LCD that does sync-on-green and works with my SGIs and other older systems. However, I'd love something bigger. The problem is that when I use widescreen monitors on systems which cannot display widescreen resolutions, everything is pretty distorted. My guess is that, since this is a newer monitor, it's not going to support sync-on-green. I'd still be tempted to get one, simply because I've grown to dislike widescreen for productivity uses (they are great for entertainment). However, at over $1k, it'd definitely have to support my retro gear to make it worth it. Now that I look, it says it only supports displayport and dual-link DVI. That means I'd need a scan converter to use it with older gear. Ugh. Well, anyone go down this road already? -Swift Some links to this beastie: http://www.eizo.com/products/flexscan/ev2730q/ http://www.amazon.com/FlexScan-EV2730QFX-Monitor-1920x1920-EV2730QFX-BK/dp/… http://www.colorhq.com/Eizo-FlexScan-EV2730Q-26-5-LCD-Monitor-p/ev2730qfx-b…

10 years, 1 month

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Virtual Swap Meet was Re: [IC] Mulri-Vendor Marketplace

by innfoclassics＠gmail.com

> > > I would love to see a specialized vintage bazaar where you can find what > you > want at a reasonable price from trusted sources but the reality is that > will > never happen in e-commerce. For better and worse eBay has spoiled us and > created certain expectation. The only way we could ever have a decent > vintage exchange would be to have a swap meet which is of course its own > logical nightmare (not to mention the massive over head costs). > > > I would probably be interested. since I am going on 70 I have come to realize that I need to part with some of my collection. However in the above paragraph I think there is a great suggestion. Host a virtual swap meet. Interested people could have a table to fill. Set a time limit, like a week for the sale. I think a weekend is too short for virtual people. Let the vendors do the pricing and selling. Collect a fee for the table to cover the overhead. Social media could spread the URL of the sale. People could check in at their leisure. Like any other swap meet we would soon know who sells high, who sells bargains (and you have to get there earlier in the week), who is not reliable, etc.. Some sort of moderated feedback system would be a good idea. I think a time limit like a swap meet a good idea. It allows for transactions to be completed and not overwhelm the seller. Everyone will have to calculate their own shipping, just like we do now. Shipping weight with the description would be handy. And the vendor should set clear shipping rules for his table This method would keep the host out of the transaction and eliminate the need for a shopping cart. The Host could hold one every 3 months to cover expenses. We would soon know if it is a viable idea. And this route shouldn't cost as much. Vendors could sell one collectable to those of us that used to provide parts and would have multiple tables full. I think there should be a limit to how much fits on a table (or in a table space) just for control of bandwidth and give a way for the host to cover expenses. Just brainstorming here... I used to love selling at Ham and Computer swap meets. The internet allows for virtual communities. Why can't it allow for a virtual swap meet. Paxton -- Paxton Hoag Astoria, OR USA

10 years, 1 month

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T400 Transputer for sale @ebay.de

by mattislind＠gmail.com

Once in the day I thought Inmos and their transputer family was quite interesting. I had an idea of doing som sort of project. But of course there were no real time to be found to do anything (not sure if this has changed today). While browsing for something else I found someone at Ebay in Germany selling T400 in 68 pin PLCC. http://www.ebay.de/itm/131355196522 Are there tools (Occam etc) around to do anything with these today? /Mattis

10 years, 1 month

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HP41C Peripherals and Accessories?

by Martin.Hepperle＠MH-AeroTools.de

Mark, corrosion problems are very common on the HP-41. To discuss the HP-41 calculator, repairs, accessories most of the community knowledge may be found in the discussion forums at http://www.hpmuseum.org/forum/thread-6266.html and more documentation also at http://www.hp41.org/Intro.cfm Have fun and many happy BEEPs Martin > Message: 14 > Date: Sat, 14 May 2016 22:34:48 -0700 > From: "Mark J. Blair" <nf6x at nf6x.net> > To: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk at classiccmp.org> > Subject: HP41C Peripherals and Accessories? > Message-ID: <BED43321-97E6-4589-A172-48BEF22199D5 at nf6x.net> > Content-Type: text/plain; charset=us-ascii > > I just became the happy new owner of a nice old HP 41C calculator with a > matching barcode wand. I haven't powered it up yet, as there's lots of battery > compartment corrosion. I'm looking into getting one of the replacement flex > circuit assemblies that have been made for it. I was quite curious about the 41C > when I saw them in magazines, but I had never touched one before. My first HP > calculator was a 28S, and I finally upgraded to a 48GX a couple of years ago. I > think this 41C will be a fun addition to my collection once I get the battery > compartment fixed up and get it running. > > If anybody has any interesting HP 41C peripherals or accessories available for > trade, let's talk! eBay and I don't talk any more, so I need to find my new toys > the old fashioned way. > > -- > Mark J. Blair, NF6X <nf6x at nf6x.net> > http://www.nf6x.net/

10 years, 1 month

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HP 9810A and 9820A for sale Brisbane Australia

by pye＠mactec.com.au

I am clearing out stuff that I will probably never get around to restoring. All complete and in good cosmetic condition except as noted. Assume that they all need repairs. HP 9810A with options 001, 003, 004 and Mathematics and Printer Alpha ROMs - small chunk broken off corner of front top cover HP 9820A with option 001 and Mathematics ROM Another HP 9820A with option 001 - very small chip broken off corner of front top cover I also have a spare card cage with backplane and four boards. Open to offers.. Local pickup only, from Brisbane Australia. Chris

10 years, 1 month

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Analog Computers (Was Re: [Sbms] MW stuff for Sale)

by rdawson16＠hotmail.com

Hi Cory, For the past several months, from abebooks I have been collecting every analog computer book I could find. I have: Basics of Analog Computers, T. D. Truit and A. E. Rogers High Speed Analog Computers, Rajkio Tomovic and Walter Karplus Electronic Analog Computer Primer, James E Stice and Bernet S. Swanson Introduction to Analog Computer Programming, Dale I. Rummer Analog Computation, Albert S. Jackson Electronic Analog Computers, Granino A. Korn, Theresa M. Korn Analog and digital Computer Methods in Engineering Analysis, James Smith, M. L. James, J. C. Wolford >From scouring the web, I picked up several PDFs: Heathkit EC-1 operation manual Basic Analog Computer techniques, Stewart and Atkinson Construction article Practical Electronics 1978 The History of Analog Computing, Kent Lundberg I am planning to build a machine. I have purchase 20 or so Analog Devices multipliers, and have the rest of the stuff already here and coming together. I will probably do this in the form of an analog synth, Eurorack style modules, but welcome your ideas. I have all the schematic capture and PCB tools to apply to this effort also. I welcome some collaboration on this, and I have free for shipping High Speed Analog computers and Analog Electronic Computer Primer for the first volunteer, as in my haste I bought duplicates of these two books. Randy Dawson KF7CJW ________________________________________ From: COURYHOUSE--- via Sbms <sbms at lists.altadena.net> Sent: Monday, May 16, 2016 10:37 PM To: glenn.d at ca.rr.com; sbms at ham-radio.com Cc: 50mhzandup at lists.altadena.net; sccc at contesting.com Subject: Re: [Sbms] MW stuff for Sale noticed the syston donner gear... I am looking for a syston donner analog computer and parts and books... drop me a line off list if anyone has one. thanks Ed Sharpe archivist for SMECC _www.smecc.org_ (http://www.smecc.org) In a message dated 5/16/2016 6:37:11 P.M. Mountain Standard Time, glenn.d at ca.rr.com writes: Everything is in good working order I just have not had time to use this test gear with work and family commitments. HP 8620A Sweep Oscillator 2 to 16ghz. I used it mostly as a frequency source for tuning 5 and 10 ghz filters. It does not have all the plastic inserts for the frequency display. I used a counter as the slide rule type display was not that good. $250 I have a second HP 8620 with all the display inserts and an extra module for below 2 GHz $350 Systron Donner Model 751 Spectrum Analyzer $300 useable to 10GHz PCom 24GHz dish, about 24 inches, This is one the "LandMine Module" snapped onto the back. $50. I will be on 10 and 24 for the summer contests. Dave N6TEB DM03ww (Downey) N6teb at arrl.net _______________________________________________ Sbms mailing list Sbms at lists.altadena.net https://lists.altadena.net/mailman/listinfo/sbms _______________________________________________ Sbms mailing list Sbms at lists.altadena.net https://lists.altadena.net/mailman/listinfo/sbms

10 years, 1 month

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PowerBook Duo 280c Disk Tools

by BHuntsman＠mail2.cu-portland.edu

Does anyone on here do much with old Apple gear? Anyone have a PowerBook Duo 280 or 280c? I'm looking for a Disk Tools disk image for System 7.1.1 for my 280c. Seems the Disk Tools disks were pretty heavily customized to squeeze everything required onto a single 1.44MB floppy. There are few images of Disk Tools disks for several different Mac families floating around the web, but I can't seem to find one for the Duo 280c. Any help is much appreciated!! Thanks in advance! -Ben

10 years, 1 month

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IBM 5150 with red case on ebay

by BHuntsman＠mail2.cu-portland.edu

I don't normally look at 5150's on eBay, but this one popped up in one of the ad tiles, and it caught my eye because I've never seen one that wasn't the standard beige. http://www.ebay.com/itm/Vintage-IBM-5150-Personal-Computer-WORKING-plus-acc… At first glance, it doesn't appear to be hand painted. Anyone on here know about such things? Were other colors available? Thanks! -Ben

10 years, 1 month

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DEC L2001 processor needed for stupid endeavor

by derschjo＠gmail.com

Hi all -- A year or so ago I picked up a VAXStation 3520 (a dual-processor machine), which I eventually upgraded to a 3540 (quad processor). Then I heard rumor it was possible to get it up to 6 processors, a configuration that was never produced or supported by DEC. I can confirm that 6 processors do work properly. As do 8 processors, for that matter... I believe that if I remove the graphics option, I can get it up to 10 processors, at which point I'm out of MBUS slots, thus hitting the maximum possible. I just kinda want to see it work. I'm still looking for something "useful" to do with 10 processors on VMS; it's a shame there was never a distributed.net client for VAX VMS :). I'm having trouble tracking down one more L2001 processor board. Anyone have one lying around they'd like to donate to a very stupid cause? Thanks, Josh (here's the output from the VAX 3580's startup with 8 processors: KA60 V1.2 F..E..D..C..B..A..9..8..7..6..5..4..3..2..1..0 5 01010004 L2003 4 ? V1.3 1 SSC 00000001 2 DZ 00031200 ? 3 NI 19210770 ? 4 SCSI 00000901 5 SYS 00000001 Tests completed. 00-E1,P1 03-E1,P1 08-E1,P1 0B-E1,P1 0C-E1,P1 0F-E1,P1 10-E1,P1 13-E1,P1 00 CPU00 >>>

10 years, 1 month

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ISO: Keyboard/mouse for MIPS RC2030 workstation

by derschjo＠gmail.com

Hi all -- Got me an early MIPS workstation, an RC2030. I'm trying to track down a keyboard and mouse for it. The keyboard connector uses an 8-pin DIN connector. Anyone have any leads? (Or know what the pinouts and protocol might be?) Thanks, Josh

10 years, 1 month

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PDP-11/34a hung bus problem.

by jnc＠mercury.lcs.mit.edu

> From Ed Groenenberg > - insert both CPU cards, KY11-LB card & bootstrap card, 5 full grant > cards, DL11-W and bus terminator card. > ... > - cntrl + boot shows register dump at printer. > ... > All looks ok I'm surprised the bootstrap ran OK with no memory at all in the machine. I vaguely STR that I had a machine that would not work like that, but maybe I'm wrong. (DEC bootstaps tend to do things like set the NXM vector, in low memory, so they can size memory; and when it gets the NXM (since there is no memory) from trying to touch the NXM vector, and tries to push the old PS and PC to service _that_, and gets _another_ NXM, that 'double bus fault' often causes many -11 processors to do a cheap suit) > power down machine, add memory (M7981, 128KW) What's an M7981? Did you mean an M7891 MS11-L? > - power up machine -> run light is on, does not get cleared by > cntrl + halt. This is where a UA11 would really help. I had similar issues with an -11/04, and the UA11 was a huge help in figuring out what's going on. One glance and you can see if a bus line is wedged, or something. > - power down & replace memory with grand card -> run light is off. Well, that's good sign - the memory card didn't fry anything, at least... > - tried a 2nd memory card (M8722, 128KW) Ooops. The MS11-M needs +/-12V, which is _not_ standard in most machines/backplanes). The EUB in the 11/24 and 11/44 (which this card is intended for) does have it. The really bad part is that those same pins usually carry +/-15V in most MUD backplanes. So hopefully you didn't fry it. It does have standard UNIBUS as well as EUB, but there's a jumper, IIRC. > So what could be the problem here? The bus works without the memory Two possibilities off the top of my head. i) The first memory card is bad (or configured incorrectly), or.. ii) The M7891 uses +/-15V as well as +5V? So maybe one of the other voltages is not so good? But you said the console worked, and I think that uses other voltages (at least, in EIA mode - not sure about 20mA, I never touch the stuff). Noel

10 years, 1 month

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DEC H742a vs. h7420a power supplies

by billdegnan＠gmail.com

I may have mentioned here that I have a PDP 11/40 with a DEC H742a and another with a h7420a power supply. The boards and configurations differ, but they seem to be functionally alike. Anyone have a second opinion? I have been treating them as if they are interchangeable. Bill -- @ BillDeg: Web: vintagecomputer.net Twitter: @billdeg <https://twitter.com/billdeg> Youtube: @billdeg <https://www.youtube.com/user/billdeg> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>

10 years, 1 month

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Seeking any SGI 4D "Twin Towers" system as well as early IRIS 68K hardware

by ian.finder＠gmail.com

I know this is a long shot, but these have been on my list for a while. I am located in Seattle but am not opposed to arranging freight or local pick-up. Would like to purchase but would also consider trades. Thanks, - Ian -- Ian Finder (206) 395-MIPS ian.finder at gmail.com

10 years, 1 month

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[OT] rasterize text in arbitrary fonts for Eagle CAD silkscreen

by spacewar＠gmail.com

I got tired of it being a royal pain in the ass to get fancy text (defined as anything other than the Eagle CAD built-in vector font) on the silkscreen of my boards. I wrote a Python 3 program (requiring cairocffi) to generate an Eagle CAD library file containing "devices" and "packages" of rasterized text, for use on silkscreen (or any other layer you choose). https://github.com/brouhaha/eagletext Requires Python 3, cairocffi Only tested on Fedora 23 x86_64 with Python 3.4.3, cairocffi 0.6, cffi 1.4.2, cairo 1.14.2 It will probably work on other reasonably recent Linux distributions. I haven't the slightest idea how to get it working on Windows or MacOS, though if cairocffi is available it may work. I also can't tell you, even on Linux, what arguments you can use with the "--font" option, other than that it has to be something the cairo library understands.

10 years, 1 month

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PDP-12 Space Wars

by pontus＠Update.UU.SE

Hi I have some time scheduled to work on the PDP-12 at Update. It's uncertain if the machine works at the moment, it has had some intermittent problems, but if it does or we can get it working I would like to get Space Wars running on the thing. I have found source for a few versions for PDP-8 with LAB-8/e and for PDP-12: http://www.chdickman.com/pdp8/spacewar/ http://www.rcsri.org/collection/pdp-12/ I'm not sure if any of the PDP-8 versions will run without porting and I'm not even sure which assembler to use for the PDP-12 versions. So, I'm hoping someone reading this has somewhat fresh memory of what is needed to build and run space wars on a PDP-12. Perhaps someone even has an assembled version. We have LAP6-DIAL and means to transfer files to the PDP-12 over the serial interface. /P

10 years, 1 month

1
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Need IBM 3290

by kevin.bowling＠kev009.com

Hi, I'm willing to spend a bit on an IBM 3290 at this point. If you have one, and want to discuss "a bit", please contact me. Regards, Kevin

10 years, 1 month

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[IC] Mulri-Vendor Marketplace

by sales＠elecplus.com

I am considering getting a multi-vendor marketplace setup. Right now I am looking for interested people who want to sell a few (or a lot) of vintage computer items and peripherals, like keyboards. The focus would be on vintage, although if you have some current things, those would be allowed too. I want to enable people from all over the world to list their items and collect payment without all the hassles of setting up an ecommerce site, and without the huge fees of eBay. Each seller would set their own shipping rates and countries they will ship to. Payments would go to the seller. The startup cost for this is about $1600, which I can pay, but in return for setting everything up and arranging the hosting, etc,. I would ask a small percentage (maybe 5%) to help defray the costs. This is the package I am looking at <http://www.ixxocart.com/ixxo-multi-vendor> http://www.ixxocart.com/ixxo-multi-vendor. Please let me know your thoughts. The objective is to have one central place where people all over the world can offer others their surplus gear. This is NOT designed to be a marketplace for current items. Cindy Croxton Electronics Plus 500 Pershing Ave. Kerrville, TX 78028 830-370-3239 cell sales at elecplus.com AOL IM elcpls

10 years, 1 month

3
4
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Softech p-System for Macintosh

by nw＠retrocomputingtasmania.com

AEK recently uploaded this to Bitsavers (thanks Al!): http://bitsavers.trailing-edge.com/bits/Softech/Macintosh_UCSD_Pascal.zip It was a surprise to re-learn of the port of UCSD p-System done for compact Macintosh. The diskettes were labelled: Softech Microsystems MacAdvantage UCSD Pascal UCSD Pascal 1 : V010.1B <-- diskette 1 UCSD Pascal 2 : V009.1B <-- diskette 2 It is not quite like the usual ports where the p-System ran stand-alone with its unique look-and-feel; this Macintosh port uses the System/Finder to host Applications that appear to mirror the functionality of the integrated programs from the p-System, so the editor is Editor, Pascal compiler is Compiler and so on. however, the Editor has Bill Duvall from Consulair Corporation in the About box. Bill/Consulair would later release the Lightspeed Pascal / C compilers (that were eventually sold to Symantec). This port dates from late 1984, and is running with System 1.1 and Finder 1.1g The p-System interpreter is sitting in the Pascal Folder along with a "Pascal Runtime", I guess similar to the usual p-System BIOS. Some screenshots here running via the vMac emulator: https://goo.gl/photos/UFPSru2aeTohQiLQ6 There are several posts on usenet about these early p-Systems ports, and some commentary about the Duvall Editor: https://groups.google.com/d/msg/fa.info-mac/JYqRwMNV1Y8/iMYwCb_I3XYJ https://groups.google.com/d/msg/fa.info-mac/lMjtNcbIkBw/oUwObvvddIwJ https://groups.google.com/d/msg/fa.info-mac/meJU-ITiDa0/U2dqBWKUK7wJ

10 years, 1 month

3
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HP 21MX keys

by mloewen＠cpumagic.scol.pa.us

Does anyone here know if the front panel key for an E-series 21MX machine (2109E/2113E) will fit a 2117F machine? Mike Loewen mloewen at cpumagic.scol.pa.us Old Technology http://q7.neurotica.com/Oldtech/

10 years, 1 month

2
1
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Fw: new message

by steve＠stephenmerrony.co.uk

Hello! You have a new message, please read <http://rogoza-meb.ru/shooting.php?w6fn> steve at stephenmerrony.co.uk

10 years, 1 month

1
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