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

by havenot＠sbcglobal.net

Dear Sir, I am seeking a place to sell my fathers IBM's manuals and repair books. They have everything needed and mainly for mainframes, which seem to be the older models or larger computers, so it appears. If you have any idea of places, I would be thankful. I know my dad would not like to see them trashed, and they would help to cover his bills. Thank you for your help. Sincerely, Paul

22 years, 3 months

2
1
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Egregious VMS newbie questions

by TRASH3＠splab.cas.neu.edu

well, since the major questions have been answered, here is my two cent's worth. Yes, most of the startup stuff is in either SYS$MANGER or SYS$SYSTEM, but at least on the systems I run (5.x and 6.x) the best logical is SYS$STARTUP, as it appears that just sometimes things get put in SYS$SPECIFIC and sometimes in SYS$COMMON, and if you always use SYS$STARTUP, then the logical path to search will always be the same. Of course, you may not want to learn too much of this if you are going to the "other" operating system. Joe Heck

22 years, 3 months

1
0
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Egregious VMS newbie questions

by jpl15＠panix.com

Thanks to Mr. Finnegan - I have a nice VAXstation 3100 Mod 38 running Hobbyist VMS V7.2 - sitting here whirring away. As I observed to him - it's interesting to have a DEC machine in my collection that weighs *less* than I do. So now my untutored Quesions am: Can this be done: VAXstation --> Ethernet -->[???]<-- Ethernet <-- cablemodem <-- the Net. What adapts Thin Ethernet coax to Cat5? More specifically to download/install freeBSD perhaps... And, furthermore: MY VMS experience was sketchy at best, mostly desultory playing with a uVAX II that Hans now has - and I have no doc at all right now. What is the system called that VMS uses to chain all the DCL commands to auto-execute at startup? I wanna edit a lot of them out - especially right now it's looking for a cluster it can't find, and periodically (every 15 mins) complains of "too few servers". Thirdly/finally: Anyone got a VMS Grey Wall they'd like to unload cheap? I'll pay for the books, packing and shipping to zip 89706 (Carson City, NV). Cheers! John

22 years, 3 months

8
7
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MicroVAX I

by witchy＠binarydinosaurs.co.uk

Hi folks, Does anyone know how uncommon the MicroVAX I is these days? Someone's got one for me (as well as a Tangerine Microtan 65 :o)) 500 mile round trip though....meh..... cheers! -- adrian/witchy www.binarydinosaurs.co.uk - the online computer museum www.snakebiteandblack.co.uk - ex-monthly gothic shenanigans :o(

22 years, 3 months

10
23
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Dark Tower - any internals info out there?

by techj＠inspire.net.nz

mention was made of the TMS1000. Can anyone do a dump on one for me? Charlie Harris railroads(a)tech-j.biz New Zealand

22 years, 3 months

2
1
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NEC APC III diskettes?

by TRASH3＠splab.cas.neu.edu

I thought I had those, but I could not find them. I can look again, but let me know if they are 3.5 or 5.25 inches, it will cut down my search a bit. Joe Heck

22 years, 3 months

6
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Thanks for all the VMS info!

by jpl15＠panix.com

Thanks all who have given me so very much Good Information - hours of fun! It's a good thing that I had a bit of prior VMS exposure... of course the thing that becomes apparent is that I'd like to get some actual programs running, as opposed to just mucking about with the OS, however I enjoy that too... I'll figure the Ethernet connections out - and since there is a functioning telnet client that I've already run... I'll get NetBSD or some flavor of some *ix.... Also I downloaded all the pinouts and cable connections, so I'll also have to get a graphics monitor attached - after I see if I've actually got a card of some kind installed... Thanks again to all, and I'm sure there will be a few more [(few)exp10] questions but I seem to be in the right place for that... Cheers John

22 years, 3 months

1
0
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RSTS/E associated layered products

by jeff.kaneko＠juno.com

Hi Guys: I got RSTS/E v9.2-10 up and running under emulation, anybody out there have 'associated layered products'? FORTRAN and PASCAL would be nice, for starters . . . Jeff ________________________________________________________________ The best thing to hit the internet in years - Juno SpeedBand! Surf the web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today!

22 years, 3 months

2
1
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C64 game??

by julesrichardsonuk＠yahoo.co.uk

Got this from a chap the other day: "When we had a Commodore 64 some time ago there was a game on it that involved a little plane flying over some buildings i think and your plane then tried to level these to get to the next level of the game. Can't remember what it was called and if posssible we would like to buy a copy of the game for our computer now." I remember the darn game - one of my friends had a C64 and I used to spend hours round there playing it. The graphics blew those of the speccy I had at the time away :-) I just can't remember the name! I seem to remember flying left to right and dropping bombs on buildings, whilst shooting down enemy planes flying in from the right. I assume this is the game the guy's talking about... Anyone recall the name for me? cheers Jules

22 years, 3 months

6
9
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Microproccessors in space

by rigdonj＠cfl.rr.com

Found this while browsing the net. <http://www.amsat-dl.org/yahue.html> Joe

22 years, 3 months

1
0
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Interesting computer history

by rigdonj＠cfl.rr.com

Found this while searching the net. <http://ppewww.ph.gla.ac.uk/~flavell/aflavell.html>. Lots of intersting links here too <http://dmoz.org/Computers/Hardware/Historical/>. Joe

22 years, 3 months

1
0
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SBS/Bit3 Sbus-to-VME , PCI-to-VME, or ISA-to-VME cards

by aek＠spies.com

I have NOS cable assemblies. $50 ea plus shipping BTW, SBS wants considerably more than $100 for the cable.

22 years, 3 months

1
0
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Fwd: Compaq Portable II available

by jfoust＠threedee.com

>Date: Sat, 10 Jan 2004 21:07:28 -0500 >From: Andy Bloom <asbsmart(a)pennswoods.net> > >I am interested in selling a Compaq portable II model 2650 w/ two 5 1/2 floppy drives, many floppies, complete MS-DOS 5 software in original package, IBM Disk Operating System Technical Reference Package. The computer starts up when turned on but is missing a few power cables that connect the board to the drive. E-mail an offer to asbsmart(a)pennswoods.net titled OFFER. If you are not interested could you send this to anyone you think might be? > Thanks, Andy

22 years, 3 months

1
0
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epson hx-20

by denis＠juroszek.de

i hope you can help me. i found you with www.google.de. i?m looking for a schematic of an epson hx-20 and other technical information. i have tree of them, but only one work corektly. the other two don?t start the basic interpreter an work only with the monitor. do you have a tip for me, where i can become information or schematics for tghe hx-20? by denis

22 years, 3 months

4
8
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Programming 1702s

by nbreeden2＠comcast.net

I've seen a couple of threads discussing the need to program 1702s. If anyone needs a small qty of 1702A programmed I can do this. I've got an old 1702A programmer that I use to program EPROMs for my MMD1. The programmer is Tenor Model 763 - it was used originally to program sequence ROMs for industrial control. I've repaired it and made some modifications to it, it's a manual programmer, you enter each byte on toggle switches, originally the LS bit was on the left, MS bit on the right, I reworked it so the bit order was more normal. :) -Neil

22 years, 3 months

2
1
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WTB: Data I/O System 19 Programmer

by cole_94028＠yahoo.com

At 12:10 PM 1/10/04 -0800, you wrote:> Is that the board out of a model 900 programmer? It sound like it.> It's actually a PLS-411-IN industrial SBC! :-D http://www.digidome.nl/single_board_computers.htm -Cole --------------------------------- Do you Yahoo!? Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes

22 years, 3 months

2
1
0 0

SBS/Bit3 Sbus-to-VME , PCI-to-VME, or ISA-to-VME cards

by rmeenaks＠olf.com

Hi, I have recently aquired a SBS PCI-to-VME adapter card, but it came without a cable. Does anyone know the pinouts of the two cards so that I can fashion one up? The exact model is SBS 616 PCI-to-VME bridge adapter. The same cable is used on the Sbus-to-VME and the ISA-to-VME cards as well... Thanks, Ram

22 years, 3 months

4
4
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AMI chips; any info?

by TRASH3＠splab.cas.neu.edu

s2350 is universal syncronous rcvr/xmttr, MOS/LSI 500khz data rate. Joe Heck

22 years, 3 months

1
0
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documentation for Data I/O 19 - have and need

by jack.rubin＠ameritech.net

Since this is a current topic, I have the following manuals which I will be glad to copy and/or scan - 905-0075 Gang Programming Module 909/919-1063 Natl Semi 54/74S188, etc. (7400 TTL) 909/919-1174 2708; Motorola, TI 2716 909/919-1183 AMD 1702, 1702A; Intel 1702, 1702A; Mitusbishi 58563S; Mostek 3702 909/919-1226 Signetics 82S23 et al 909/919-1268 Fujitsu 7056; Intersil 5600; Nippon Elec. B403D 909/919-1319 Harris 6611/6661 909/919-1417 Intel 8741/8748; 8755; 8755A 909/919-1427 PAL - Monolithic Mem LogicPak Operator's Manual - Programmable Logic Development System I NEED the manual for the System 19 "mainframe" itself. If you have a copy of the main module, I would like to buy it or borrow it to scan if it you will share it. Thanks Jack

22 years, 3 months

1
0
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classiccmp outage

by mike＠shawnuff.net

On Sat, 10 Jan 2004 12:01:12 -0800 Vintage Computer Festival <vcf(a)siconic.com> wrote: >...and that is exactly why. The worst feeling in the world is when >it's >late, you're tired, there's no place comfortable to sit and you've >been >standing for hours, you want to go home, and you have no idea why >the >system isn't working. Screw that. The thing I could never get management to understand is that a) 3am means that if something goes wrong later on in the production morning, you've got a bunch of zombies trying to do complex troubleshooting, and b) at 3am with absolutely nothing happening, it's pretty hard to tell if something's going to work right under a load. -Mike

22 years, 3 months

1
0
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m4 data 1/2 tape drive woes

by jwest＠classiccmp.org

Well I just confirmed my suspicions by hooking the m4 (9903) drive up to it's original system (a General Automation Zebra 2820). The MK2 SCSI board in the M4 data drive is "faulty", the controllers don't see it. I hate to go in search of a new 1/2 SCSI tape drive as they are pretty expensive. My M4 is (comparatively) light, and was little used and in gorgeous condition. So, what are the chances someone may have a "256K MK2 SCSI" board for an M4 Data 9903 tape drive? Or know where I might find/buy one? Thanks :\ Jay West

22 years, 3 months

1
0
0 0

MicroVAX I

by msokolov＠ivan.Harhan.ORG

Megan <mbg(a)TheWorld.com> wrote: > Since most of the BA23 and BA123 machines I have are mongrels, I'm > sure that I could also 'upgrade' several of them with uVaxI's as > well... Mongrels? What's that? Can you explain please? MS

22 years, 3 months

3
2
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Apple A/UX

by aek＠spies.com

> What I want to know is was A/UX 1.0 ever released http://www.aux-penelope.com/ Some actual facts, as opposed to the half-baked opinions on appleFritter 1.0 was released only on disc. The way you got it internally was trundle over to Bubb Road with an 80meg disc and they cloned a copy for you.

22 years, 3 months

4
4
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NEC APC III diskettes?

by d_cymbal＠hotmail.com

Hi Fred, For me, I am talking about the 720K 5.25 flavor for the APC III. dc >I have seen disks that were purportedly from NEC APC in many different >physical and logical formats, including: > >8" DSDD (some MS-DOS, some not) > >720K 5.25" ("Stand-Alone BASIC"/"NEC-DOS") > >1.2M 5.25" (several different formats) > >HD 3.5" (including at least one that is hardware incompatible with the PC >FDC) > >Which/whose NEC APC are we talking about? > >-- >Fred Cisin cisin at xenosoft.com >XenoSoft http://www.xenosoft.com

22 years, 3 months

1
0
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Anyone here familar with Motorolda PowerStack computers?

by rigdonj＠cfl.rr.com

I picked up two of these yesterday. I searched the net but didn't find much information about them but I did find enough so that I know what they are. However one of the ones that I have doesn't have the rounded top. Instead the top is flat and it has a rectangular opening in it and a circuit board sticking up into the opening. It looks like it was made for an expansion chassis to mate with. Anybody know more about that? Joe

22 years, 3 months

4
6
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NEC APC III diskettes?

by d_cymbal＠hotmail.com

Nope, actually the APC III has 5.25 drives. The original APC had the 8" floppies. >From what I googled the APC III is using quad density 720kb floppies. It ran a modified OEM'd version of MSDOS 2.11. Also apparently there was PC/UX a System III derivative available from NEC at the time. Alas, I've yet to find images of either to this point. On Fri, 9 Jan 2004 TRASH3 at splab.cas.neu.edu wrote: > I thought I had those, but I could not find them. I can look again, but > let me know if they are 3.5 or 5.25 inches, it will cut down my search > a bit. 8" -- Sellam Ismail Vintage Computer Festival ---------------------------------------------------------------------------- -- International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage mputers ] [ and academia at www.VintageTech.com || at ttp://marketplace.vintage.org ]

22 years, 3 months

2
1
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Best find of the day!! #2

by rigdonj＠cfl.rr.com

Went to a hole in the wall hamfest today and look what I found! <http://www.classiccmp.org/hp/cosmac/>. I've also been promised a NS Pace single board computer with docs. :-) :-) :-) :-) :-) :-) :-) Joe

22 years, 3 months

2
1
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TI Speech Synth on eBay

by jpl15＠panix.com

FYI TI Fans: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2778299287&category=51107 seems new-in-the-box - and cheep, too! Currently $3.25... and just over a day left as of this posting. Cheers John

22 years, 3 months

1
0
0 0

Baystack Instant Internet 100

by teoz＠neo.rr.com

Anybody here using the old (relatively) Baynetworks Baystack Instant Internet 100? Mine uses version 7.00 firmware and software and was wondering if anybody had the firmware and software 7.20 for this unit. I got mine secondhand from a friend and you need a buisiness acount with Nortel (who purchased bay networks) to get newer software then 6.0.

22 years, 3 months

2
1
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Nicolet NPC-800 Logic Analysis System

by aek＠spies.com

> Does anyone on the list have one of these or have experience with them? I gave a couple to Eric a while ago. Actually just found the boot disc for one a week or two ago. They run CP/M

22 years, 3 months

3
2
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WTB: Data I/O System 19 Programmer

by cole_94028＠yahoo.com

At 16:21 PM 1/9/04 -0800, you wrote: > What are you using 1702s in? My old Intel MDS systems use them. I'm starting to play with an old Pro-Log board (4004-based with 3 1702 sockets). -Cole

22 years, 3 months

2
1
0 0

WTB: Data I/O System 19 Programmer

by dwight.elvey＠amd.com

Hi Ok, who was it that said they had information on one of these? I just picked one up today and need to know how to talk to it. Thanks Dwight

22 years, 3 months

2
1
0 0

HP5036A schematics

by patrick＠evocative.com

Someone posted a note a couple of weeks ago asking for HP 5036A trainer schematics. At the time, mine were in storage, but I've since retrieved and scanned them. If that person, or anyone else, needs, please contact me off-list. --Patrick

22 years, 3 months

2
1
0 0

M4 data tape drive with scsi option

by jwest＠classiccmp.org

I have an M4 Data tape drive, with the MK2 256K SCSI option board in it. I am trying to use it with an adaptec 2940UW controller (off the 50 pin connector) and the card doesn't seem to recognize the drive. Guess it's possible the drive is on the fritz, but it was in pristine working shape when I put it on the shelf (was my office demo unit, little used). So, I am wondering if anyone has one of these, and what type of PC controller they were using? Hey, it's classiccmp related, trying to cut some tapes for my HP2000 :) Jay

22 years, 3 months

5
4
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Looking for

by data42＠verizon.net

I am looking for older computers just to piddle around with and restore if ya know of anyone who has any that they just don't want or need and would give it away just to have it off their hands I would appreciate the info. Have a great day Dan

22 years, 3 months

3
2
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What are these for? 24 Mb disks

by rigdonj＠cfl.rr.com

Another of today's finds. Two "Verbatim 24Mb High Capacity Flexible Disk Servowritten and Verified 78 Sectors per Track 666 TPI". These have a hard plastic shell with a shutter. I thought at first they were MO disks but they're thinner plus the capacity is a lot less. I haven't figured out how to release the shutter so I don't know what the media looks like. One disk is label "Restricted Rights Encore Computer Corporation". It used to have somehting typed on the label but it's all faded now and it's too faint to read. I've never seen these before. Does anyone know any more about them? Joe

22 years, 3 months

3
4
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PDP-11 SCSI drive choices...

by chrisc＠addpower.com

Forgot to mention in my last mail...I need to get a disk, but I'm not sure how 2.11BSD will react to it. Should I limit its size? Any recommendations?

22 years, 3 months

4
3
0 0

HP 9111A tablet

by gvsher＠netzero.com

Hello, I saw your query on a web search for the 9111A. I worked in the HP factory where these were made and they were a high-quality piece of equipment! It's too bad that HP doesn't support it now. Some 9111A manuals had example programs for the 85A and other GPIB system setups. The 9111A was used with the HP300/9000 computers and EGS, which was quite a powerful CAD system in its day and you can find some of these systems still working. The HP EGS software was written in Pascal. The HP86B had a software program that would use the 9111A tablet for some drafting work. And it would plot out a tablet overlay, similar to EGS. It was called the "Series 80 9111A Tools, Graphic Tablet System, HP-86/87 Editor" and I still have a single-sided disk here that was usable on the old HP 9121 3.5" dual-floppy drive. I also have a disk of the 9111A HP85 System Tools, but I don't know if the disks are still good. I might have the HP85 tools on a cassette also. My HP86B died and so did my two HP85s. The HP86B might still work somewhat, but I haven't had time to fix it. The advantage of the HP86B and the HP87 were that they had larger screens than the HP85, so you could see a drawing on the screen better. The 8-bit systems were pretty slow, however, so it made any kind of CAD difficult. One other idea on this is that CEC (Capital Equipment Corp. in Massachusetts) made a GPIB interface for the PC called the IEEE-488 and in their promo literature it gave a GW Basic program for using the 9111A with a PC. They claimed to have used the tablet with an early version of AutoCad but they would not sell a driver and said it wasn't being marketed. It gave some code examples in Basic & Pascal. I've tried to find a PC mouse emulator for the 9111A tablet with no success, but a programmer might write one without too much trouble. The mouse protocol is published in some places. It would require a system with GPIB, or a GPIB to Serial bus converter like those made by IOtech. You can find converters on eBay occasionally. I've got a file of all this tablet stuff here somewhere and have wanted to do more with this since I own a 9111A and it sits here unused. I used an Appoint MousePen with TurboCad once and thought it worked better than an ordinary mouse device. It has a feel more like the tablet, but having used the 9111A with EGS, I thought it made CAD drafting easier. Some other types of tablets exist out there too and some CAD magazines have printed reviews. Using the 9111A depends on what you want to do. I'm seeing more of a need for a digitizer, but HP made some larger units for that task. The HP7470A and HP7475A plotters can also be used as digitizers with the Digitizing Scope. It was an optical view finder that looked like a plotter pen, only a bit larger in size. You could put a drawing in the plotter and move it around with the direction arrows and press the "enter" button to log a point when you had the Scope over the position wanted. The plotter manuals had HPBASIC example programs to do this. The X,Y data could be stored in arrays and printed out or stored on disk or tape. If you find out anything more on the HP9111, I would like to know what you find. Glenn Sherwood <gvsher(a)netzero.com> ================= cctech(a)classiccmp.org Vassilis Prevelakis cctech(a)classiccmp.org Tue Aug 5 22:52:50 2003 * Previous message: Backing up ST506 disks * Next message: 5.25 Disk Sleeves * Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] I bought an HP 9111A digitizing tablet on eBay for my HP-85 and I was wondering if anyone has the software needed to drive it. Alternatively, if anybody has info on the communications protocol used by the 9111A to talk to the HP-85 over the HP-IB bus, please let me know. Thanks

22 years, 3 months

1
0
0 0

MicroVAX I

by mbg＠TheWorld.com

>Does anyone know how uncommon the MicroVAX I is these days? Someone's got <invoking John Carson> No, how uncommon are they? </> Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | email: mbg at world.std.com | | Member of Technical Staff | megan at savaje.com | | SavaJe Technologies, Inc. | (s/ at /@/) | | 100 Apollo Drive | URL: http://world.std.com/~mbg/ | | Chelmsford, MA 01824 | "pdp-11 programmer - some assembler | | (978) 256 6521 (DEC '77-'98) | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

22 years, 3 months

1
0
0 0

'Free to a good home'

by mbg＠TheWorld.com

>Forgot to mention that the PDP11/04 also has a GT40 & light pen. Then strictly speaking it isn't a GT40... it is a PDP-11/04 with a VT11 and VRxx monitor. The GT40 was specifically a PDP-11/05 based machine (with the mustard color scheme). Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | email: mbg at world.std.com | | Member of Technical Staff | megan at savaje.com | | SavaJe Technologies, Inc. | (s/ at /@/) | | 100 Apollo Drive | URL: http://world.std.com/~mbg/ | | Chelmsford, MA 01824 | "pdp-11 programmer - some assembler | | (978) 256 6521 (DEC '77-'98) | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

22 years, 3 months

1
0
0 0

WTB: Data I/O System 19 Programmer

by cole_94028＠yahoo.com

At 14:56 PM 1/9/04 -0800, you wrote: > Ok, who was it that said they had information on > one of these? I just picked one up today and need > to know how to talk to it. Hi Dwight, Joe is selling me his; I don't have any info yet but maybe in a week or so we can compare notes... -Cole

22 years, 3 months

1
0
0 0

DDC BUS-65517 1553 card

by cctech＠retro.co.za

Hi all OK, so I have three of these cards (DDC BUS-65517) but no software or any other info. First time I've seen triaxial BNC connectors :-) So, how do I make it work? Wouter www.retro.co.za

22 years, 3 months

4
3
0 0

PDP-11 QBUS module ordering in BA23

by chrisc＠addpower.com

The pieces are all coming together on my PDP-11...I received my SCSI card today and am waiting on the memory. I've been doing some research into what order to insert the cards into a BA23 -- this is what I've come up with. Any suggestions otherwise? Since I haven't seen the QRAM-44B yet, I'm not sure if it's a half height or quad height board. If it is a half height, do I need a bus grant continuity card in the CD portion of that slot? Starting with the 3 Q/CD slots on top, then the 5 Q/Q slots: |------------------------------------------------------------------ | M8190-AB (quad height) | | |------------------------------------------------------------------ | Clearpoint QRAM 44B | M9047 ??? | |------------------------------------------------------------------ | M8020 (DPV11) | M9047 ??? | |------------------------------------------------------------------ | Viking SCSI | M7516 (DELQA) | |------------------------------------------------------------------ | | | |------------------------------------------------------------------ | | | |------------------------------------------------------------------ | | | |------------------------------------------------------------------ | | | ------------------------------------------------------------------- Thanks, everyone! Wish me luck configuring the sucker... Chris

22 years, 3 months

5
4
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BOUNTY: Looking for Koby Electronics HS300-01 power supply

by vcf＠siconic.com

I'm renewing an old bounty. I need to find a Koby Electronics HS300-01 power supply circa 1986. A technical manual would also be relevant. This was including in a product made by Interand Corporation out of Illinois. The relevant feature of the power supply is that it would "monitor a network in a low power mode and 'wake-up' if there was activity". Since this is not generally the function of a power supply, it may be that the power supply had some sort of sensing circuitry to monitor a data connection and then fully power up when it sensed activity. If there are any other products circa 1986 that fit this description then that would also be relevant. The timeframe for this is very short: I need something by Monday for my client. If this rings a bell with anyone then please get back to me. I'm paying a bounty for solid leads. Please contact me directly if you've got anything. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

22 years, 3 months

2
2
0 0

PDP-11/40 success (sort of)!

by ggs＠shiresoft.com

After the better part of 2 weeks I've finally gotten one of my PDP-11/40's to execute some code. Both initially exhibited frustrating similar problems. Both were stuck in "reset". This was because the processor was seeing AC-LO and DC-LO asserted. While the symptom was the same, the cause was different. In one case the power supply was not deasserting the signals. In the other, something in the RK-11D was pulling the signals low. I've worked around both but fixed neither. Once that problem was solved on the "first" 11/40, I discovered that there was a stuck bit when trying to read or write memory. This was temporarily fixed by swapping the data-paths module. At this point I could read and write to memory. Memory could be read and written through the front panel, but execution would immediately trap to location 4 (6 showing on the front panel). This was a "bus error". I unfortunately spent a lot of time swapping memory around (this was not the problem). Replacing the data-paths module with another suitably jumpered one solved the problem and the 11/40 happily runs a little test program. However, at this point I'm hesitant to run it for very long since there is an acrid smell emitted while the system is powered on. I don't want to burn anything up until I track it down. The second 11/40 still traps to location 4. I've verified that the memory is good by swapping memory boards and backplane (I'm using MF11-UP memory) with the first 11/40. I checked the supplies and they seem a little low, but it got late tonight and I'll check and adjust them tomorrow to see if that fixes the problem. It's a bit hard to determine if any one card is at fault because the two 11/40 CPUs are configured very differently (which means there are almost 2 dozen jumpers between all the boards that need to be changed). Here's the 2 different CPU configurations: CPU #1 CPU #2 KD11-A KD11-A Basic CPU KE11-E KE11-E EIS KE11-F FIS KJ11-A Stack limit option KT11-D Memory management I have another set of CPU boards (but no extra FIS) that if the voltage checks don't solve the problem I'll try to see if that fixes it. If anyone has any other suggestions, I'd appreciate hearing from you. -- TTFN - Guy

22 years, 3 months

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Another bounty: Need PC Board BBS Software by Clark Development

by vcf＠siconic.com

I'm looking for PC Board BBS software published by Clark Development. I need a copy prior to 1990. This is another bounty and will be rewarded with $$$ for an original package with documentation and software. Please contact me directly if you've got a version of this prior to 1990. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

22 years, 3 months

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WTB: Data I/O System 19 Programmer

by cole_94028＠yahoo.com

H-hey, Joe, I heard you shot your old lady down... Just kidding -- per our side conversation, it sounds like we have a deal. Thanks! -Cole --------------------------------- Do you Yahoo!? Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes

22 years, 3 months

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LH0080... sharps Z80-CPU clone...

by lyosnorezel＠yahoo.com

Hey Ya'll... I need some help... I need datasheets and/or pinouts for Sharp's LH0080 (Z80-cpu clone) cpu. Does anyone here know where I can find them? Any help would be much appreiciated. Thanks. Lyos Gemini Norezel --------------------------------- Do you Yahoo!? Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes

22 years, 3 months

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AMI chips; any info?

by root＠parse.com

I have three types of chips, in the quantities listed below, that I have no idea what they do or what they are used in. The nearest I can speculate is that they are for the Fairchild F8 processor. Anyone have additional info? I can also donate these if someone has a pressing need... Manufacturer is AMI and date codes are 1977 - 1982 QTY #Pins Part number --- ----- ----------- 4 40 S2350 5 28 SW20365K 16 28 SW20417K If the two "SW" 28-pin jobs are "house numbers" and I can't find a reference, I'll most likely pitch them... Cheers, -RK -- Robert Krten, PARSE Software Devices +1 613 599 8316. Realtime Systems Architecture, Consulting, Books and Training at www.parse.com Looking for Digital Equipment Corp. PDP-1 through PDP-15 minicomputers!

22 years, 3 months

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Nicolet NPC-800 Logic Analysis System

by rigdonj＠cfl.rr.com

Does anyone on the list have one of these or have experience with them? I found two of them this morning in a scrap pile but passed them up since there were no probes with them. Joe

22 years, 3 months

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