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

by bobvines00＠gmail.com

Tony, et al., On your Rainbow H7842 PSU pinout you list pin #1 as ACOK H. Do you know what monitors that signal? Is it the AC side OK or the DC output OK? I'm guessing that it monitors the AC side to ensure that the incoming "mains" voltage is high enough to not damage the PSU. Is that correct? And nothing monitors the DC output(s) for correctness? ===== For pin #2 you give "IOWR4 L (connected via a jumper)." Does this mean that it is pulled down as "true," and if so, by what? Do you have any idea about whether it can be ignored for use in a DECmate II or if there is a jumper for DECmate use or is it always jumpered? Can you tell me what "IOWR4" means or stands for? ===== I have a question about using an automobile's headlamp for load testing this PSU. Do I need to use an increasingly rare 6V headlamp or can I safely use a "relatively modern" 12V incandescent headlamp? Will the 12V headlamp draw enough to safely load the 5V portion of the PSU? ===== There is another connector coming out of the PSU that just hangs on a plastic clip on the superstructure, presumably for another application that the DECmate II. Since it's probably only one wire, I figured it's some PC-imitation Rainbow-ism [or the Pro 325?] which is never used in the DECmate II, etc. Do you know what this "extra" connector might be for? ===== My next (dumb) question is: "Is the Rainbow PSU a switching PSU?" I assume that it is based on its size & weight, but would like expert opinions to verify this. Thanks, Bob

11 years, 9 months

3
2
0 0

FS: Macintosh SE/30- Needs replacement analog board- Comes with one

by slandon110＠gmail.com

Just clearing out more of the collection. A mint Mac SE/30 with 5MB RAM 80MB Hard Drive No yellowing on the system at all, comes with keyboard and mouse which is also mint, along with the original owners manual and carrying case. Needs an analog board installed and new one comes with it. $100 plus shipping for it.

11 years, 9 months

1
0
0 0

Further PDP-11/05 debugging -- core memory faults

by anders＠abc80.net

> Date: Sat, 27 Sep 2014 22:11:52 +0100 (BST) > From: ard at p850ug1.demon.co.uk (Tony Duell) > To: cctalk at classiccmp.org > Subject: Re: Further PDP-11/05 debugging -- core memory faults > Message-ID: <m1XXzHa-000J4dC at p850ug1> > Content-Type: text/plain > >> >> Further investigation reveals that the connection between FD1 on the >> card edge connector (the XS05 signal) and pin 7 of the 2501 at E22 is >> broken. This, I believe, is a matrix wire (or "magnet wire" from the >> engineering drawings) meaning that I've got a broken wire somewhere in >> the core mat. > > I would just trace the tracks, both visually an with an ohmmeter, from > the edge conector pin to the core mat and from the core mat to the diode > array. Just in case. > > Incidneatlly, no matter what it says on the cover over the core mat, you > can take it off quite easily without damage. Just don't drop it on the > corse. > > If it is the core address wire in the mat, you may have big problems. > Some of these mats had the cores cast onto the array of wires, no > pre-made cores that were threaded with the wires. In which case, > replacing the wire might be impossible. It's possible to replace a wire in a core mat, I have made it myself in a core pack that belongs to a PDP-8/L. Depending on the sizes of the cores it migth be more (or even much more) difficult. If the wire is broken outside the mat, it?s possible to extend the broken wire a bit and put in a new piece of "fresh" thread. I used a good stereoscopic microscope which essentially made it possible. You also need some time and a steady hand. > > My first throught was 'have a go anyway. If you wreck the board, well, it > doesn't work now'. And then I thoguth that no, you should treat it with > care. Even if you don't have the skill to fix it now, you might do so i > nthe future. Or somebody else might have a go. In any case, you don't > want ot make thigns worse. > > -tony I do agree upon that. The worst thing that could happen is if you crush a core... /Anders

11 years, 9 months

1
0
0 0

Exec-PC BBS

by cctalk＠fahimi.net

Anyone know the status of this BBS? I.E. is it fully operational through the Telnet node or is it just a shell of its former self? I signed on a few months ago and tried "subscribing" but I am still in demo mode (oh that brings back memories!). It would be very cool if it is "fully" up and you can dl old files/utils/apps etc. Thanks. -Ali

11 years, 9 months

8
20
0 0

Value of a Tantalum Capacitor

by robert.jarratt＠ntlworld.com

In investigating the fault on my H7874 PSU I desoldered a tantalum capacitor which I have broken in the desoldering process. I can't tell its value, the markings are 224 E5Z on one side and 038 ASF on the other side. >From these markings, can anyone tell me what value/spec the capacitor has? Thanks Rob

11 years, 9 months

13
36
0 0

P112 parts on their way

by dgriffi＠cs.csubak.edu

On a homebrew synthesizer list I presented my frustrations on dealing with Mouser and filling kits. Everyone there who sold kits did a marathon at the kitchen table rather than having the part supplier do the kits. I feel that I've been making a big production out of a small one. I should have the box of parts by Tuesday, I think. -- David Griffith dgriffi at cs.csubak.edu

11 years, 9 months

1
0
0 0

Computer Conservation Society visit to Bletchly Park

by dave.g4ugm＠gmail.com

Folks, Well I started my retirement the way I intend to continue with a trip to IBM Hursley's museum. I posted a few pictures on Facebook but any one should be able to view them without logging in. https://www.facebook.com/media/set/?set=a.10205102010936371.1073741828.14268 00809 <https://www.facebook.com/media/set/?set=a.10205102010936371.1073741828.1426 800809&type=1&l=ff0e40da08> &type=1&l=ff0e40da08 Dave G4UGM

11 years, 9 months

1
0
0 0

dumping core from pdp8 to serial.

by simski＠dds.nl

Hello all, The pdp8/f we got last week is working now, after forming the capacitors on the lineair powersupply and testing it with dummyloads. there is a 8kword and a 16kword corepack in the machine. we would like to dump the contents of the core to serial to preserve the original contents for later examination while we can to tests with the machine. is there a way to do this, using a empty part of memory and a M8650 uart? -- Met vriendelijke Groet, Simon Claessen drukknop.nl

11 years, 9 months

8
14
0 0

Unibus/qbus wire wrap tool

by roeapeterson＠gmail.com

I know I've seen this before, but I can't find it just now. I need a wire wrap tool for qbus/unibus. What size for those pins? Thanks.

11 years, 9 months

7
8
0 0

FS: Amiga 3000 With 16MB ZIP RAM 2MB CHIP 1GB Hard Drive & Extras

by slandon110＠gmail.com

Ive had this Amiga 3000 for a couple weeks now, and upgrading it is just out of my price range, It needs to go into the hands of someone who will appreciate it Its in unmolested condition with 16MB hard to find ZIP RAM installed 2MB Chip RAM Has the Original Kickstart 1.4 ROMs installed. 1GB Hard Drive with Workbench 2.03 installed. A set of 3.1 ROMs will come with it It will also come with the following items not installed 36GB SCA Hard Drive with 50pin Adapter- Prepared for the Amiga, Just plug and play Internal 50pin 4x36GB External SCSI array that works with AmigaOS Keyboard & Mouse This thing is mint Pics are here https://flic.kr/p/pjqeWU No monitor included. It takes a standard VGA CRT $800 shipped for the system. Or I will gladly trade for a nicely expanded Amiga 1200 system

11 years, 9 months

1
0
0 0

TRS-80 or System-80 clock crystals in Australia?

by thrashbarg＠kaput.homeunix.org

Hi list, Would anyone know if I could get a 10.6445MHz crystal for a Dick Smith System-80 in Australia? This evening I decided to power up mine for the first time in ages, but the crystal pins were corroded through and it fell off. Cheers, Alexis K.

11 years, 9 months

6
8
0 0

Unibus/qbus wire wrap tool

by jnc＠mercury.lcs.mit.edu

> From: Roe Peterson > I need a wire wrap tool for qbus/unibus. What size for those pins? None of my current DEC backplanes have wire-wrap pins (these are all PCBs), _but_ I just measured some wire-wrap configuration pins on QBUS boards, which look to be about the same size as I recall UNIBUS backplane pins being, and those are .7mm / .025". Doesn't the tool also depend on the wire gauge? > From: Jay West > I just assumed there was only was size..... Some of the older machines (I specifically remember it being either the PDP-6 or KA-10, but I forget which) used pins (and wire) which was significantly larger than those in the PDP-11. But I think all the -11's (both busses) used pins of the same size. (I don't recall ever seeing one different, I'm pretty sure.) Noel

11 years, 9 months

2
1
0 0

Value of a Tantalum Capacitor

by jnc＠mercury.lcs.mit.edu

> From: Paul Koning > On Sep 21, 2014, at 6:31 PM, Noel Chiappa wrote: >> I have found this page: >> >> http://wiki.xtronics.com/index.php/Capacitor_Codes >> >> very helpful in deciphering capacitor markings. > That address doesn't work for me. I did notice that at one point, it only worked for me with some browsers (e.g. Firefox, IIRC), but not others (e.g IE, IIRC), for reasons I didn't fully understand. (As in, it's not that it came up but looks wrong, the page just refused to load at all. I have noticed that a number of sites, especially ones using HTTPS, don't work with all my browsers - again, total failure. Chrome gives me an error message for the HTTPS ones about 'can't match certificate', or some such, which leads me to believe that my local ISP is doing some sort of HTTP caching which is messing up with some secure sites. Or something like that... :-) But I just tried again, and now that site works with all of them. Odd. Noel

11 years, 9 months

3
2
0 0

HP 9635C System information- Just got one

by slandon110＠gmail.com

I just picked up an HP 9635C, found it on craigslist about a 1.5 hour drive from here. Rescued for a friend in upstate NY, I cant get it to boot off any of the disks that it came with, it reads then gives I/O error. Also is it easy to make boot disks for this thing and is there a source of images??, Id really like to get this thing operational before I hand it off to him Thanks Steve

11 years, 9 months

3
2
0 0

Using an 8" drive on a PC

by jnc＠mercury.lcs.mit.edu

Ooops, just realized this went to both the list, and me: > From: Chris Osborn > On Sep 21, 2014, at 3:39 PM, Noel Chiappa wrote: >> Epsilon. ("Wasau.=94) > Will it fit on a 360k floppy? Well, it depends on what OS you're talking about, and which version of Epsilon. The one I use (which is circa 1996) is Version 8, which is for Windows 95 and later, and the .exe file is 261KB, so yes - sort of. You also need a 'state file', which is all the settings, pre-loaded interpreted code, etc (most of the 'editor' is actually interpreted code - the .exe file just provides a system with underlying primitives useful for writing an editor, e.g. support for buffers, windows, etc), and that's another 180K+. So if you have two floppy drives, yes. One... not so sure... I haven't ever tried to run it without a state file, to see what it's like, but it's probably unusable. But you might be able to make a stripped-down version whose state file would be small enough to fit on a 360K floppy along with the .exe. It also has the ability to demand-load code (e.g. if you have a rarely-used function attached to C-A-^, you can cause that code to be loaded only the first time you hit C-A-^ - makes the basic state file smaller, and faster to load), and you could use that to put the code for a lot (all, if you wanted, I suppose) of the commands on a second floppy. They did make much earlier ones (I started using it under DOS, back in '87 or so), and that version is probably smaller, but I don't know how much smaller (and don't have the ability to go check - I think those files are on 5.25" floppies, and I don't have a working 5.25" drive at the moment - one more thing on the to-do list, sigh). As far as I'm concerned, it really is the bee's knees - I can't say enough good things about it. Noel

11 years, 9 months

1
0
0 0

PDP-11 floating point: Move KEF11-A from KDF11-A to KDF11-BA?

by earl＠retrobits.com

Hi there, I have a floating point processor (FPP) on a currently unused 11/23 CPU M8186 card (KDF-11A). From the manual, looks like this is a KEF11-A. Also, in my working 11/23+ with KDF-11BA, I have no FPP. Makes it hard to use Fortran-77. The KDF-11BA manual refers to a KEF-11AA FPP. Does anyone know if the FPP unit is compatible from the 11/23 to the 11/23+ - i.e., can I transplant the FPP chip from the 11/23 to the 11/23+ CPU card? Could it be that simple? :-) Please be gentle if this is a stupid question. I've used my best Google-fu and RTFMing to find the answer (and learned some new things about these cards in the process). Thanks! - Earl

11 years, 9 months

6
6
0 0

Looking for a video card for a Sparc Station 5.

by wlewisiii＠gmail.com

I have a Sparc Station 5 that I am intending to get up and running with SunOS 4.1.4 on one disk and OpenStep 4.2 on the other. The last remaining hurdle is video. The CG-3 card that is in it either is not able to push the 1024x768x77 it's supposed to or not able to talk to any of my monitors. I'm deep in the heart of flyover in Hayward WI so trying a to find another video card is easier than a different monitor. I'm looking for an S-Bus CG6 of the TGX or TGX+ versions or a Sparc Station 5 specific S24 24 bit video card. The TGX cards are supposed to be able to push a resolution of 1024x768x60 that should be able to be used by generic SVGA monitors. Thanks for your time and any assistance. William -- Live like you will never die, love like you've never been hurt, dance like no-one is watching. Alex White

11 years, 9 months

4
4
0 0

Looking for a video card for a Sparc Station 5.

by Arno_1983＠gmx.de

"Brian L. Stuart" <blstuart at bellsouth.net> wrote: > > The CG-3 card that is in it either is not > > able to push the 1024x768x77 it's supposed to or not able to > > talk to any of my monitors. > > My recollection is that the CG3 (and the CG6 as well) is a fixed > rate card for 1152x900x8 at 66Hz. > > BLS Depends a lot on the actual implementation methinks. What may be true for the original sbus card may well have changed with more modern, integrated versions. Like I said, the cg3 in a SPARCclassic natively supports at least 1152x900 at 66 and 76 Hz and 1024x768 at 60, 70 and 77 - I don't know for the SS5, but when you navigate to the framebuffer node in the OBP prompt (like /iommu at 0,1000000/sbus at 0,10001000/cgthree at 3,0) and do "words" there, anything starting with "r" followed by a mode description should be a supported mode that you can specify for output-device (like screen:r1024x768x60, which is what I would try) Beyond that, there is always the opportunity of hacking an unsupported resolution in by computing the corresponding numbers and generating a resolution setup word by yourself. They basically just contain a mode line like " 08,02,37,37,08,155,21,04,39,169,0,7,60,1024,768" (for 1024x768x60) which is a bunch of setup values that are poked into registers on the framebuffer by the setup FCode. Arno

11 years, 9 months

1
0
0 0

IBM 1052

by BHuntsman＠mail2.cu-portland.edu

Hi! Would anyone here be interested in purchasing a 1052? I acquired two of them a while back, and since I just recently moved, could use the space more than the museum piece. I assume it's in non-working condition, but it's complete, and it's a 1052... :) -Ben

11 years, 9 months

3
2
0 0

pdp BASIC-11 query

by jwest＠classiccmp.org

I'm posting this on behalf of someone not on the list. I didn't want to just open them up to tons of replies, so figured I'd just post it for him and relay any responses back. Can anyone solve his issue? He wrote.. I'm trying to get some code that was written in 1977 working again. I've gotten a PDP-11 emulator working but the version of BASIC that is on it doesn't know the 'FILE #1="DNG1' command. I've been digging through BASIC manuals for BASIC-11 and BASIC-Plus but so far they either don't have an file reading or their file reading commands don't match that syntax. Googling has led me to a few other versions of BASIC that were on the PDP-11 but I can't find manuals for them. Can you point me in the right direction? (The full code is here; https://d2sx9mrt4zumaq.cloudfront.net/wp-content/uploads/2014/04/DND1_Comple te.pdf) (And it is part of this contest; https://www.shroudoftheavatar.com/?p=39149) --- 00010 LET J4=1 00030 PRINT 00100 BASE 0 00110 LET X=0 00120 LET J=0 00130 LET K=0 00140 X1=0 00150 LET X3=0 00160 LET J9=RND(CLK(J9)) 00170 DIM C(7),C$(7),W(100),D(50,50),P(100),I$(100),B(100,6),B$(100) 00180 DIM E(100),F(100),X5(100),X6(100),X2(100),X4(100) 00190 LET G=INT(RND(0)*24+2) 00200 LET H=INT(RND(0)*24+2) 00210 FILE #1="DNG1" 00220 FILE #2="DNG2",#3="DNG3",#4="DNG4",#5="DNG5",#6="DNG6" 00230 RESTORE #4 00240 FILE #7="GMSTR" 00245 RESTORE #7 00250 RESTORE #1 00260 RESTORE #2 00261 RESTORE #3 00262 RESTORE #4 00263 RESTORE #5 00264 RESTORE #6

11 years, 9 months

7
12
0 0

Pdp11/34 -15V power supply

by roeapeterson＠gmail.com

Does anyone know offhand what the -15 volt power supply was used for in a BA11-K pdp11/34 enclosure? Thanks.

11 years, 9 months

5
5
0 0

11/84 boardset (was: equipment available)

by mtapley＠swri.edu

Jay, On Sep 24, 2014, at 12:00 PM, cctech-request at classiccmp.org wrote: > The 11/84 board set has been claimed. I replied in PM, may have got spam filtered, no response yet. Interested in AlphaServer 2100 memory boards, if available. Others, please pardon. - Mark

11 years, 9 months

1
0
0 0

Looking for a video card for a Sparc Station 5.

by aperry＠snowmoose.com

William Barnett-Lewis <wlewisiii at gmail.com> wrote: > > I'm looking for an S-Bus CG6 of the TGX or TGX+ versions or a Sparc > Station 5 specific S24 24 bit video card. The TGX cards are supposed > to be able to push a resolution of 1024x768x60 that should be able to > be used by generic SVGA monitors. > There is a CG6 TGX on eBay with a $20 Buy-It-Now price (and free shipping). http://www.ebay.com/itm/Sun-501-2325-SBus-TurboGX-8-Bit-Color-Frame-Buffer-… I have a collection of SPARCstation lunchbox systems (IPC, IPX, Classic, LX) and an Axil 320 (a SS20 clone), all connected to 5-year-old LCDs. Not all generic SVGA monitors like to connect to Sun frame buffers. I have a ViewSonic that doesn't work with them, but have had no problems with various Samsungs. alan

11 years, 9 months

1
0
0 0

Sun Ultra E6K Question

by alexmcwhirter＠mojovapes.net

I'll be picking up an E6K from a local university next weekend. I'm not sure exactly what hardware it has installed, but i know it has at least 10 cpu boards. I was wondering if these machines had the same ability of the E10K to segregate the CPU's into multiple systems in order to run multiple operating system instances independently?

11 years, 9 months

5
7
0 0

Inventory of remaining IBM S/360 CPU's.

by Arno_1983＠gmx.de

Christian Corti <cc at informatik.uni-stuttgart.de> wrote: > > We have a 4331, too. Perhaps you already know our site/machine. Nope, I just found out about your machine when I saw it on Henk's list. > What do you mean with "start up the main processor"? Doing an IPL? Hmm...I don't remember the specifics after all those years, but basically: when you switched on the machine, the fans and some minor power transformer/PSU would power up, the Service Processor would boot from an old squeaky 8" floppy drive and issue some progress indications on the terminal. At one point, you could hit a key (combination?) to get into some kind of setup menu, where you could e.g. enter what sort of device was connected to each terminal port. You could stay there and browse that menu to your heart's content, but if you did not enter or did quit the menu, the SP would try to power on the main part of the machine - you heard a clunk from some large contactor, the buzz of the main transformer(s) would kick in for like 1-2 seconds, then everything (including the SP supply) would be shut down (several more clunks, fans spinning down), leaving the machine powered off again - without an error indication on the terminal. > > One related machine I know of (a 4361) is kept at IBM's Museum in > > Sindelfingen; we were there to get the pinout of the System Panel > > They also have a 4331 AFAIK. At least they took the 3370 drives that were > part of the machine we got some years ago. We kept the 3340 and 3344 > drives. Perhaps they didn't have it back then, or it was in storage and we were only shown the 4361 because that was on exhibition. I don't however remember anybody telling us about a 4331 there. > > machine (manuals, schematics and faultfinding charts) but don't really > > know where to start with our Problem. > > MAP - Maintenance Analysis Procedures. Yep, that's what they were called :) jwsmobile <jws at jwsss.com> wrote: > I would rely on the MLM's and other service documentation. They have > pretty good procedures of testing to follow and solution matrices to > follow to remedy the problems. If you are following those and have > encountered a problem, then you should have something that can be helped > with. I've brought up a few systems and you have to go thru the tedious > process of running all the tests sometimes to find something, but things > I have had wrong fell out of tests where I would not have thought to look. Of course we tried following those procedures, but there were several entry points and maybe we just always missed the right one. Somehow the path always went off into the woodwork, with things like preconditions that were not met in our case. Christian Corti <cc at informatik.uni-stuttgart.de> wrote: > You haven't asked so far, did you ? (I don't remember) Probably not since you joined the list. Keep in mind that of this was more than ten years ago and I had not pursued those issues much, as the system is not in my custody, I only get to chat with its current owner a couple times a year at most, and we both have had other fish to fry through all those years. But after all, I still yearn to bring that project to some rewarding conclusion :) > What drives and OS tapes do you have? No (intact or restorable) drives except for the two internal 8" floppy drives, no software except for two IML (bad original that had been stored inside the drive, intact backup) and I think one diagnostic floppy that came with the system. What's there is a 3262 high speed printer and some sort of remote terminal server that came from a large mail-order outfit (Quelle Versandhaus F?rth). I'm all for sourcing period peripherals if possible at all, but if we can't, our alternate idea is to furnish some sort of channel drive emulator with a modern hard drive, like Mr. Zabolitzky and his guys at Cray-Cyber.org did for their CDC machines. > The 4361 is great because it has the storage director integrated in, and > you can run a complete system with just a terminal, a tape drive such as > the 4311 which has the tape controller and drive integrated together, > and disk drives. > > It is a great VM personal system if you have one. A friend had one to > himself for 2 years at UMSL at one time. Sad these all got broken up > for the price they brought. I shall see whether I can get together with the owner at some time again and get some diagnosis and work done on the machine. However I don't have any idea whether that is even possible in the place where the machine is currently stored. Of course I'm all ears for more suggestions and anecdotes about these machines and leads towards associated stuff. So long, Arno

11 years, 9 months

4
4
0 0

FS: Wyse WY150 Terminal and Sun Multipack 12 drive Array- Fully populated w/ 12x

by slandon110＠gmail.com

Hey guys clearing out some stuff since I got some new goodies at VCF A nice Wyse WY150 terminal with nice clean keyboard- Works Great $50 plus shipping A Sun Multipack 12 Drive Array with 12x18GB Drives- This thing is heavy 40lbs. So first 50 bucks gets it plus shipping.

11 years, 9 months

2
1
0 0

WTB: Dec alphastation 4100 memory/video

by tpresence＠hotmail.com

If anyone happens to have alphastation 4100 memory/video cards for sale, please let me know. I will need them to ship to Colorado, USA. Kevin

11 years, 9 months

2
1
0 0

Is plastic National Semiconductor (NS) TTL chips worse than others?

by mattislind＠gmail.com

After the successful restore of the HP9830B I continued with the HP9810A that I was able to get from the Swedish Maritime Administration. ( http://www.datormuseum.se/computers/hewlett-packard/hp9810a ) The machine has been sitting in a storage container for many years until I was able to rescue it. And of course it was dead. Testing the CPU boards in the working 9830 gave that three out of four boards were faulty. This far I have replaced four TTL chips. Three on the clock board and one on the ALU board and all of them are made by National Semiconductor, date codes are mid 1972. All are plastic DIP. The failure mode seems to be that the outputs are floating. I guess that the bonding wires are broken. Can it be that the moisture in the storage container that has made it into the chips corroding the wires? What is the experience when it comes to different manufacturer and plastic DIP TTL? Which are better, which are worse after 40 years?

11 years, 9 months

7
13
0 0

Mac 512k for sale

by tlindner＠macmess.org

Includes: Mac External Floppy drive Keyboard Second keyboard, with some not working keys Numeric Keypad Mouse Photograph of Mac for sale: http://www.macmess.org/images/coco/Mac-Hero.jpg Located: California, Bay Area, 94520 (All offers should include a description of how you want the machine packed, plus your carrier choice) -- tim lindner

11 years, 9 months

1
0
0 0

11/84 boardset (was: equipment available)

by jwest＠classiccmp.org

The 11/84 board set has been claimed. J

11 years, 9 months

1
0
0 0

Available Items (Indianapolis)

by jon＠jonworld.com

All, I'll be back in Indianapolis this coming weekend and need to find homes for the following. They are free for pick-up only. I do not have the time or funds to ship them. They need to be picked up Sep 26-28th. 1) Tandy Dot-Matrix printer. The printer has 2x modes, one does straight IBM-PC B&W emulation. The other is color Epson LQ-2500. It takes fanfold paper (I think I have a small amount with the printer.) I believe I have a spare ribbon or two as well. 2) Parallel-port based flatbed scanner. I think it's a UMAX or similar type of B-list brand. -- -Jon +32 0 486 260 686

11 years, 9 months

1
0
0 0

FYI - terms of "equipment available" emails

by jwest＠classiccmp.org

>From time to time I do seem to get a pretty fair number of requests from entities to claim equipment, and 99% of the time I post those opportunities (only) here. I just wanted to list what I expect when I hand off those deals to someone. This has never been an issue in the past or present, but figured I'd codify it here. If you respond to me on one of those "equipment available" deals, I'm assuming you agree to do the following: Make contact with the owner in a timely fashion Work out a fair (to both you and the owner) deal to acquire the machines If a deal cannot be reached, let me know quickly so that someone else can be found to make a second attempt Make every effort to obtain/include any documentation/software available with the machines Pick the equipment up in a safe and professional manner with all due care for both the machines and the owners home/building/facilities Actively work to restore the machines to full running condition Ensure that the machines are never destroyed or thrown away Ensure destruction of any owner-specific documentation/software Make available any (non-customer-specific) documentation and/or software to other collectors Ensure that if you ever no longer wish to keep the machine that it winds up in the hands of another collector That's all I ask J J

11 years, 9 months

4
5
0 0

more crap with the P112 parts

by dgriffi＠cs.csubak.edu

I've been going round and round with Mouser about how much I need to pay for kitting up parts for the P112 kits. They're telling me that the great deal I got last time for the kits was an error -- two errors in a row. So, what this means is that I need to sell three more P112 kits before I'll have the money to buy the parts I need. Come on. There's got to be three more people out there who want P112 kits. Please? -- David Griffith dgriffi at cs.csubak.edu

11 years, 9 months

3
3
0 0

A DEC style connector

by aek＠bitsavers.org

just came across this http://www.ecsconn.com/CatalogPDF/ECS%20CATALOG.pdf has a dec-style single wide 2400 series connector in it. who knows if you can still get it. it also isn't a functional replacement for the Sylvania DEC connector blocks either, but it has extra insertion depth.

11 years, 9 months

2
3
0 0

Inventory of remaining IBM S/360 CPU's.

by Arno_1983＠gmx.de

Henk Stegeman wrote: > Hi, > > I have compiled a list with all known remaining IBM system/360 CPU's, their > owner, location and if avail a picture. > This webpage also links to other remaining IBM hardware lists. > They are all very short compared with the number of systems IBM ever > produced. > > http://www.ibmsystem3.nl/System360/ > > Any input to make this list more complete is welcome. Hello, nice job, thank you for the effort put into that list. Is there also an interest in newer, 360/370 compatible machines, and perhaps a similar list for, or an intention to integrate those? I ask because I was (am?) involved in a rescue Operation for an IBM 4331 that went into a private collection in Munich some 15 years ago; after disassembly and transport, the machine was reassembled at VCFe 4.0 as a Work in Progress exhibit, and has meanwhile reached the same state of functionality that was described to us by the previous owner: Support processor will boot and can be interacted with on the System terminal, attempting to start up the main processor shuts the whole machine down again. One related machine I know of (a 4361) is kept at IBM's Museum in Sindelfingen; we were there to get the pinout of the System Panel connector (that was missing in our machine) and had some correspondence with the guys there (who attributed our Problem to some sort of misconfiguration - the actual installed Hardware, "tie-downs" inside the machine, and the configuration on the service processor boot floppy have to fit together in order to get stuff to work), but unfortunately we didn't get anywhere yet - we have a bunch of documentation for the machine (manuals, schematics and faultfinding charts) but don't really know where to start with our Problem. Perhaps getting into contact with other owners will finally get this baby flying again! So Long, Arno

11 years, 9 months

3
2
0 0

Equipment Available

by jwest＠classiccmp.org

Just confirmed with owner.. A complete boardset for a PDP-11/84 is available in Sydney, Australia. Please contact me off-list if interested. Additional notes: Please don't email asking what boards are in the set, or if you can only get particular boards out of the set. I don't want to deal with the details. When I post a deal, if you want it you go after the whole deal and work out any details yourself by contacting the owner directly. If you want to make certain spares/parts out of the deal available to other collectors - that's great, post to the list after you get the gear and do what you wish. Best, J

11 years, 9 months

1
0
0 0

Inventory of remaining IBM S/360 CPU's. (Henk Stegeman)

by isking＠uw.edu

On Mon, Sep 22, 2014 at 10:00 AM, <cctalk-request at classiccmp.org> wrote: > > Message: 3 > Date: Mon, 22 Sep 2014 17:47:16 +0200 > From: "Henk Stegeman" <h.j.stegeman at hccnet.nl> > To: <cctalk at classiccmp.org> > Subject: RE: Inventory of remaining IBM S/360 CPU's. > Message-ID: <LEEAKOBMDOCBLGHAMGACEEOCDPAA.h.j.stegeman at hccnet.nl> > Content-Type: text/plain; charset="iso-8859-1" > > Hi, > > Thanks for all the contribution. > > I have updated the list with an 360/6x and a surviving 370/148 > http://www.ibmsystem3.nl/System360/ > > Henk, Regarding the Sindelfingen Model 20 (which is now at B?blingen, along with the rest of that collection), it includes a 2560 MFCM and a 1403 printer. I had the privilege of visiting there last year. And despite rumors of the collection's demise, it was successfully moved from the Sindelfingen building, an ancient and creaky structure which was due to be demolished, to the IBM research facility at B?blingen. Unfortunately, that has severely limited access to the collection. (They also have a running 370, but I don't recall details. I can get them if you like.) -- Ian -- Ian S. King, MSIS, MSCS Ph.D. Candidate The Information School University of Washington Give a man a fire, and he will be warm for the night. Set him on fire, and he will be warm for the rest of his life.

11 years, 9 months

2
1
0 0

Equipment Available (note, not RE:)

by jnc＠mercury.lcs.mit.edu

Hello Jay, are my emails getting through? (Sorry about the list post, I think I may have a problem.) If not, I am interested in the 11/05 (if it's stil available). Noel

11 years, 9 months

2
1
0 0

3M cart band tension

by aek＠bitsavers.org

I just thought of a really simple way to tell if the band in your 3M cart is shot if you don't happen to have a tension meter handy. Take off the cover of a known good cart, set it on a table with the capstan roller facing away from you and pull the band at the edge closest to you with your index finger. The cart will move towards you on the table after about one row of dots (for example) on the baseplate of belt deflection. Good belts will provide quite a bit of tension by the time you reach the edge of the cart. Obviously, the exact values vary with the friction on the surface you're using, but you get the idea. Bad belts have significantly less tension and require a lot more deflection to produce enough force to overcome the friction of the table.

11 years, 9 months

9
21
0 0

Equipment Available (note, not RE:)

by jwest＠classiccmp.org

Yet another opportunity crosses my desk.. I just heard back from an initial contact email and the equipment is still available. Available in Tyler, Texas: PDP-11/05 VAX 11/730 Alpha 2100 AED 8" Floppy Drive "Numerous DEC boards & components" I am loathe to pass this deal on, as I kinda sorta want the 11/05 J But.. Contact me off-list if interested. Best, J

11 years, 9 months

1
0
0 0

FS: large sale of computers, parts and accessories

by mgariboldi＠gmail.com

Anyone interested in the following? I'm open to offers. I'm located in the Netherlands and I'm willing to ship, also internationally (as long as it's covered of course). - HP-branded S2io/Neterion 10-Gbit ......... I should have (10GBASE-SR) fiber-optical ethernet ...... about 4 of PCI-X NICs, VMS and IRIX compatible ...... these or so. .......................................... Make me an .......................................... offer. - various HDDs, mostly 3?" SCSI, incl. ..... Ask for more old types like Quantum (e.g. Viking II ... information. RZ2CC-KA), Seagate Cheetah (e.g. ......... ST34501WC), IBM (e.g. DDRS-34560 ......... I can also E182115S), Micropolis (50-pin, ........... provide 4?-Gbyte), various Compaq/HP (from 9.1 ... pictures and up to 146~147-Gbyte and 300-Gbyte) and ... additional more, mostly 80-pin SCA/SCA2, 68-pin ..... information. and also a good amount of 50-pin disks ... - various HDD sleds, including of Dell/ .... About 24 in Origin Storage, IBM, HP/Compaq, Intel/ ... total of all SGI ...................................... vendors and .......................................... types. .......................................... .......................................... Ask for more (P/Ns incl.: MF666 DSH8, 59P5235/ ........ information. 06P6245, FRU 90P1386/59P5224, ............ 351126-001, 5065-5221 'Rev. A' ........... a.k.a. HP "ring") ........................ - complete DEC VT220 terminal plus LK201 ... Idem ditto. keyboard, can also add one or more ....... suitable serial cables, green monitor .... - various HP/Compaq/DEC LK-series .......... Idem ditto. (Video Terminal/OpenVMS) keyboards, ...... incl. DEC LK201 (with VT200), LK46W-A1 ... (or LK46W-A2, need to check), HP LK463 ... with USB interface, PS/2 adapter and ..... documentation ............................ - many SCSI items, HVD and especially ...... Idem ditto, LVD/SE, including various types of ....... ask me for (and conversion) cables, also things ..... numbers, as like terminators, by brands like ......... I have fair RoLine/Computer Accessories, HP and ...... quantities, others, also a rare and unusual .......... but also the FC<=>SCSI bridge (which works in both .... pin/interface directions, will mention it .............. type(s) and separately later), tape streamers I ...... such, of will mention below ....................... course. - SCSI tape streamers and tapes, mostly .... Incl. cleaning DDS/DAT and LTO Ultrium types, like ...... cartridges. DDS-2, DDS-3, DDS-4 (DAT40), DDS-5 ....... (DAT72), DDS-6 (DAT160), LTO-1 (full- .... Ask for quantity height) and LTO-3 (half-height) .......... and availability. by vendors like Quantum/Certance, HP ..... and Sony ................................. - various PCI, PCI-X and PCI-Express ....... Idem ditto. expansion cards, including a (3.3 V) ..... AlphaStation DS15 PCI/audio option(?), ... I can also various USB 2.0 (5 V) PCI card(s), HP .... provide all IEEE-1394a FireWire (3.3 V) PCI board, ... the part HP GbE & 2-Gbit FC combo card (PCI-X, .... numbers. P/N A9784BX, 2 of these), Adaptec ........ SlimSCSI 1460D (P/N 1807400A) PC Card, ... ATTO Celerity FC42ES (4-Gbit FC PCI-E) ... Broadcom BCM5704 (dual-port PCI-X, ....... IRIX-compatible), SGI DMediaPro DM10 ..... (3.3 V, IEEE-1394a FireWire PCI) and ..... also the aforementioned 10-Gbit .......... ethernet NICs, of course ................. - SAS/SATA cables, disk cage with sleds .... Idem ditto, (i.e. for in a PC, 5?") and more ......... plus photos. - various LC (LC/LC) fiber-optical (e.g. ... Idem ditto. FC and ethernet) cables .................. - various computer power supply (e.g. ...... Contact me. Molex) power cables and such ............. - SGI Tezro quad-processor workstation, .... Definitely with tons of extras, including max. ...... contact me. memory, VPro V12 (Odyssey) plus DCD, ..... DM3, DM5, 10-Gbit ethernet, 4-Gbit FC, ... Very rare/wanted 3-Gbit SAS, SDI I/O and much more, ....... system, as you just like was used in film industries .... may have heard (incl. Hollywood) and broadcast for ...... or perhaps know. years, comes with IRIX ................... It's the last 6.5.28 pre-installed (can also ........... true IRIX install 6.5.30) .......................... workstation. - modified and maximized DEC Multia/UDB .... Interesting VX40B, with max. RAM, 72-Gbyte SCSI ...... little system disk and running HP Tru64 UNIX V5.1B-4 ... that has been (2010~'11) ............................... powered down .......................................... much and could .......................................... use a new home. - various IBM ('System x') x346 parts ...... Various things, .......................................... contact me if .......................................... you should need .......................................... or are looking .......................................... for anything. - various PCI, AGP and PCI-E video/ ........ Idem ditto. graphics cards, mostly of AMD/ATI and .... NVIDIA ................................... - Wacom Intuos3 (USB), DIN A4-sized, ....... Can show pictures graphics/digitizer tablet, in good but ... and more. used condition, comes in original box, ... plus documentation, driver CDs, etc., .... can also add spare overlay sheet ......... - various types of older Wacom Intuos ...... Idem ditto. and Intuos2 serial and USB tablets ....... - various boxed software, incl. things ..... Contact me about like PageMaker/FrameMaker for SunOS/ ..... this. Solaris SPARC ............................ - books, various on computing, specific .... Idem ditto. about OpenVMS (incl. web serving), ....... guides, manuals and more ................. There's definitely more, but this will be it for now. This is surely the list of items that I need to get rid of most 'urgently' (especially in terms or regaining space). I'm above all offering all of this because I've transitioned back to the world of graphic design and art, so much of this won't be of much use anymore to me. In some instances I'm selling because I need the space or because I have or am going to upgrade (especially in the case of the SGI Tezro workstation). In case you were wondering about it. Anyway, I would like to sell all of this (unless there is something interesting to trade, that could be of use to a graphic designer like myself). If I don't manage to sell it here, I will either place things on (e.g.) eBay, part out, or recycle much of it, in the near future. - MG

11 years, 9 months

2
2
0 0

Equipment available

by jwest＠classiccmp.org

An entity in Canberra, Australia has equipment available. "Mustard" DEC rack PDP-11/10 RX0x ASR-33 Misc extra boards, manuals, papertapes All appears to be in very good condition. Contact me off list if interested - please - only if you can pull off a pickup (local pickup ONLY) in Australia. Best, J

11 years, 9 months

1
1
0 0

AMPEX memory for PDP11

by useddec＠gmail.com

I recently came across two AMPEX 3281100-03 16K x 16 core boards (top board 3281517-01) and want to put then in an 11/05. Does anyone have any info on these? I'm trying to find backplane, jumper, voltage and any other info. Thanks, Paul

11 years, 9 months

1
0
0 0

Inventory of remaining IBM S/360 CPU's

by marc.verdiell＠gmail.com

Paul's 709 is at CHM. Not sure about the 370. Marc

11 years, 9 months

1
0
0 0

"Smartcom II" package available

by earl＠baugh.org

> Date: Wed, 17 Sep 2014 13:55:30 -0400 (EDT) > From: jnc at mercury.lcs.mit.edu (Noel Chiappa) > Subject: Re: "Smartcom II" package available > > > From: Fred Cisin > > > The fact that it was ... in a package of similar size does NOT mean > > that it contains 8" disks. > > Argh! I looked at the package for like 12 msec, hefted it for 29 msec to > see > what kind of noise it made / how the internal mass felt, and _guessed_, > based > on 17 nsec of thinking about it, that 'I suspect ... 8" floppies'. > > Had I stopped to think, I probably would have come to the same conclusion: > for original PC; original PC only had 5.25 inch floppies (which I had to > look > up, I couldn't remember off the top of my head - my first was a KayPro AT) > --> probably 5.25" media inside - but I didn't, I wasn't that interested, I > just wanted to find a good home for it! > > (And no doubt the seller made the same mistake, which was why it was in > with > a bunch of 8" floppies...) > > FYI , while not to disagree with the conclusion that this package is on 5.25 media, there WERE MS-DOS machines that came with 8 inch floppies (as the only floppies) I have one of these : http://oldcomputers.net/nec-apc.html (which instead of APC it is lovingly refereed to as the "hernia-ator" since it's ridiculously heavy.... :-) ) So, while I'm not sure there was Smartcom ever for this system, having it on 8 inch floppies would be the way to get it loaded... Earl

11 years, 9 months

14
47
0 0

getting the most out of my compaq 386

by starbase89＠gmail.com

Hi. I recently acquired a Compaq Portable 386. I know its not quite old enough for this list, but I figured there might be someone on here who knows about what I'm looking for. My goal is to make this machine capable of modern tasks. First, I am looking for the expansion chassis so I can add a networking card. It currently had a QIC tape drive in the expansion slot. I was also wondering if the 20MHz 386 could be upgraded to a 486, or perhaps a Pentium Overdrive. Thanks for any info in advance, Joe

11 years, 9 months

2
1
0 0

Shugart 850 vs. 851

by cctalk＠fahimi.net

I've looked through manuals and can't come up with something definitive: what is the difference between the 850 and an 851 (or for that matter 800 vs. 801 or 900 vs. 901)? TIA! -Ali

11 years, 9 months

4
4
0 0

Inventory of remaining IBM S/360 CPU's

by marc.verdiell＠gmail.com

Ignore what I just said. You were referencing Paul's 370 of course, not his 709. I am two generations off at least. Too much wine in France tonight. Marc > Message: 14 > Date: Sun, 21 Sep 2014 14:00:15 +0200 > From: "Henk Stegeman" <h.j.stegeman at hccnet.nl> > To: <cctalk at classiccmp.org> > Subject: Inventory of remaining IBM S/360 CPU's. > Message-ID: <LEEAKOBMDOCBLGHAMGACIENJDPAA.h.j.stegeman at hccnet.nl> > Content-Type: text/plain; charset="iso-8859-1" > > Hi, > > I have compiled a list with all known remaining IBM system/360 CPU's, their > owner, location and if avail a picture. > This webpage also links to other remaining IBM hardware lists. > They are all very short compared with the number of systems IBM ever > produced. > > http://www.ibmsystem3.nl/System360/ > > Any input to make this list more complete is welcome. > > Regards Henk >

11 years, 9 months

3
2
0 0

Yes! a PDP8/f in the collection

by simski＠dds.nl

Hello all We at hack42.nl are very proud to announce that we have a dec pdp8/f in the collection. it is part of a lab system and has a BA8-AA with some more boards. The most inportant is that we have several boxes of documentation, logbooks, field service reports, print sheets, software on papertape and 8"floppy. only the wrappings of the sandwiches of the field engineers are missing. :-) We have not fired the machine up yet, but taken a lot of pictures and document the configuration. first we need to check and condition the lineair powersupplies for the 8/f and the BA8-AA and clean the airflow filter foam. this is a fruitious 2014 so far for hack42, with the haul in august not even sorted out yet... Oh and Jack Rubin: there is a 16kword Keronix 812075 in this machine as well. maybe we can compare things later on. pictures: https://hack42.nl/gallery/v/Museum/pdp8/ info on this machine so far: https://hack42.nl/wiki/Digital_PDP-8f -- Met vriendelijke Groet, Simon Claessen drukknop.nl

11 years, 9 months

1
0
0 0

cctalk Digest, Vol 133, Issue 41

by dm561＠torfree.net

----- Original Message ----- > Date: Mon, 22 Sep 2014 10:50:11 +0000 > From: Chris Pye <pye at mactec.com.au> > Tantalum capacitors are a type of electrolytic, and are usually polarised > (I?ve never seen one that isn?t). > > They usually burn up pretty quickly if they are the wrong way around. > > > Chris ----- Reply: ----- True enough, but there were sort-of non-polarized tantalum caps; IBM used them on many of their boards. They had three leads with the two outside leads internally connected together, so it didn't matter which way around you inserted them. m

11 years, 9 months

2
1
0 0

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

test-drb