October 2005 - test-drb@ccmp.vtda.org

by vcf＠siconic.com

I have a monitor for a Stardent workstation. It's a re-badge Sony, model number 130-0001-01. Free for pickup, or 1.2 * cost of shipping to recoup time and trouble if you want it shipped. Please respond soon if you are interested as it will be going off for scrap in a week if there are no takers. -- 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 ]

11 years, 10 months

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Compaq SLT/286

by aw288＠osfn.org

Like the Sanyo just yesterday, I have a Compaq SLT/286 portable computer taking up space. Very nice condition, with power unit, dock, and bag. Any interest CHEAP? I am located in New York, zip 10512. Unlike the Sanyo, if there is no interest, I suppose I will just chop this up. I am desperately trying to clear out a bedroom to work on it - the bedroom that ends up being the junk overflow containment chamber. It would actually be nice to sleep in it sometime. William Donzelli aw288 at osfn.org

12 years, 9 months

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Wait! There's more including MS-DOS 1.25!!!! was Sanyo MBC-550 (Yuck!) software available

by rigdonj＠intellistar.net

I'm still digging. I found more 550 stuff. I think this is everything that came with the 550. Here's a chance for you 550 owner's to get the whole set at one shot! Original DS-DOS box and invoice. Original Sanyo Easywriter ver 1.3 disk Original Sanyo disk box with 550 dos ver 2.11 and BASIC 1.25, two original Sanyo disk for InfoStar (set B disk 2 and 3 of 4; disks 1 and 4 are below), original Sanyo disk for DOS 1.25 and BASIC ver 1.1 Original Sanyo disk box with all three original disk of set A, WordStar and CalcStar and a backup copy of DS-DOS. Two card board dummy disks used to protect the floppy drives duing shipment. Joe > >A few weeks ago we were talking about the Sanyo 550 series and someone mentioned one of the alternates operating systems that supported 80 track drives in the 550. I said that was DS-DOS by Michtron. > > Today I found an old Sanyo disk package with four disks for the 550. One of them is DS DOS 2.11, one is InfoStar, one is MailMerge/SpellStar and the other is a disk of misc utilities. The first three are original disks. In additon, the InfoStar, MailMerge/SpellStar are Sanyo labeled disks that came with the 550. If anyone wants them, trade me something I can use and they're all your's. > > Joe

13 years, 5 months

3
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Has anyone ever heard of theProtec Microsystems PRO-83?

by rdcoll＠hotmail.com

Hello everyone, I just joined this mailing list today on the advice of more than one vintage computing contact. I was wondering if anyone could tell me anything about the Protec Microsystems PRO-83 Z80 Single-Board Computer. I have conducted an exhaustive search of the Internet and found only two sites (one from a surplus store and a picture of it from a museum). I would appreciate any information available, especially information regarding the power supply and peripheral devices. Thank you very much. Rob _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx

14 years

2
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HPIB cables

by donm＠cts.com

I have a couple of HPIB cables available at $15 the pair, shipped. They are: 1 HP10833A ~42" 1 HP92220R ~12" The 92220R has a right-angle connector at one end and the usual straight connector at the other. (I wonder if the 'R' indicates a right hand connector?) First come, first served. - don

14 years

4
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Century Data T2000 exerciser

by nasim786＠earthlink.net

Hi, This is a belated response to a post you made here: http://www.classiccmp.org/pipermail/cctech/2003-February/010641.html I happened upon it while doing a 'for fun' search on the net for anything doing with good ol' Century Data, my employer when I was young. Couldn't resist responding to the post, even if it was half a year late! The exerciser that you have is/was for the Trident series of hard disk drives (predecessor to the Marksman). I was the main (in fact, pretty much the ONLY) technician at Century Data/Calcomp, for these exercisers back from the late 1970's to the mid 1980's, when they were phased out. I retired in 1985. Have fun! (BTW, where'd you find one of these dinosaurs??) Take care, Nasim

14 years

2
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VAX/PDP docs. received

by jwillis＠arielusa.com

Received from a former DEC service rep.: If anyone wants scans of a specific piece, I will probably arrange it. This accounts for only the miniscule portion I've managed to sort and catalog in the past 3 hours (about 1/8 of the total number of documentation pieces I received): Communications Options Minireference Manual, vols. 1-7 LSI-11 Systems Service Manual, Vols. 1-3 VAX 8600/8650 System Diagnostics User's Guide Communications Options Minireference Manual VAX/VMS Internals and Data Structures Cartridge Tape Service Documentation TK50 Tape Drive Subsystem Owner's Manual TK50 Tape Drive Subsystem User's Guide TK70 Streaming Tape Drive Owner's Manual TK70 Streaming Tape Drive Subsystem Service Manual (MicroVAX II sys.) ThinWire Ethernet COAXIAL CABLE CONNECTOR INSTALLATION CARD H4000 DIGITAL Ethernet Transceiver Installation Manual Fiber Optic Attenuator Installation/Configuration Reference Card LA120 Series Pocket Service Guide LA10X-EJ/EL Tractor Option Installation Guide DECWRITER III LA120 Operator Reference Card LCG01 Color Printer System Pocket Service Guide MicroVAX 3600/VAXserver 3600/3602 Operation KA650 CPU System Maintenance MicroVAX 3600/VAXserver 3600/3602 Technical Information ULTRIX-32 Guide to the Error Logger System LJ250/LJ252 Companion Color Printer Pocket Service Guide LN03 Pocket Service Guide RF-LN03 Pocket Service Guide VAX 6200 Options and Maintenance VAX 6200/6300, VAXserver 6200/6230 Owner's Manual VAXstation 2000 Workstations and MicroVAX 2000 Network Guide ULTRIX-32 Basic Installation Guide for the VAXserver 2000 DECstation 2100/3100 Maintenance Guide MicroVAX 2000 Installation MicroVAX 2000 Operation Addendum: VAXserver 2000 MicroVAX 2000 Operation MicroVAX 2000 Troubleshooting MicroVAX 2000 Technical Information MicroVAX 2000 Customer Services VAXstation 2000 and MicroVAX 2000 Maintenance Guide VAXstation 3100 Maintenance Information VAXstation 3100 Illustrated Parts Breakdown VAXstation 2000 Hardware Information VAXstation 2000 System Guide VAXstation 2000 Network Guide VAX 6000-400 Options and Maintenance VT100 Series Pocket Service Guide VT180 Series Pocket Service Guide VT320 Pocket Service Guide VT330 Pocket Service Guide VT340 Pocket Service Guide VAXcluster Service Reference Manual VAXcluster Service Reference Set VAX 8530/8550/8700/8800/8820/8830/8840 System Maint. Guide 8800 8700 8550 8500 Console User's Guide B213F Expander Installation R215F Expander Maintenance KA655 CPU System Maintenance VAX Architecture Reference Manual CI750 User's Guide BA11-A Mounting Box and Power System Tech. Manual VAX-11/750 Diag. System Overview Manual VAX-11/750 Level 1 Student Workbook (Digital Internal Use Only) VAX-11/750 UNIBUS Interface Technical Description VAX-11/751 User's Guide DELUA User's Guide MicroVAX 2000 Hardware Information MicroVAX VAX 8200/50, 8500/50 The Digital Dictionary, Second Edition VAX Maintenance Handbook (VAX Systems) VAX Maintenance Handbook (VAX-11/780) VAX Maintenance Handbook (VAX-11/750) VAX-11/750 Mini Diag. Ref. Guide RM05 Disk Subsystem Service Manual RM05 Disk Subsystem Student Guide (Digital Internal Use Only) RM03 Disk Drive Maint. Print Set RP04/05/06 Field Maint. Print Set Symptom Directed Diagnosis Tool Kit Installation Guide VAXsimPLUS Field Service Manual Getting Started with VAXsimPLUS VAXsimPLUS User Guide Model 733 DEC Disk Storage Drive Parts Catalog, Jan. 1976 RP04-TC Part II RP04, RP05, RP06 Field Svc. Handbook HSC50 Service Manual HSC Installation Manual VAX 86XX System Maint. Guide RP05/RP06 Field Handbook -Company Confidential- RP05/06 677-01/51 Disc Drive Illustrated Parts Catalog Model 677-01/51 RP05/06 DEC DISC MAINTENANCE Guide (Educ. Svcs.) Digital Education and Training: UNIX Utils & Cmds. Student Guide

14 years, 7 months

6
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Looking for : Sharp PC-1405

by mhstein＠canada.com

--------------Original Message------------------ Date: Fri, 17 Jan 2003 16:27:36 -0500 (EST) From: liste(a)artware.qc.ca Subject: Looking for : Sharp PC-1405 Or equiv (Tandy had them as PC-2 or something, iirc). The goal of my classic collection is to get one of every computer I've programmed over the years. One of the first computers I programmed was a PC-1405 (actually, I can't remember the exact model). I found one of these in a pawn shop. By brother "stole" it. I found another. This was my one classic computer that was helluva useful. So useful I took it with my places. And, well, I've just lost it. I've checked eBay and there are a few Sharp Pocket Computers, but W@W L@@K @ T3H PR1C3Z! Buy it now for "only" 300 USD! http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=3000156764&category=15030 So, does anyone here have one they don't need and/or would be willing to let go for a reasonable price? -Philip -------------------------------------- I've got a PC-1421 Financial Computer if you (or anybody) are interested: 76 character keyboard 16 character display 40K ROM Basic 4.2 Kb RAM Interface for optional CE-126 Printer/Cassette (don't have) 6 modes: Normal calculator Financial calculator Statistical calculator Basic program mode Basic run mode Almost new, in box with cover & 280P manual. Make me an offer (less than US$ 300, or even CDN$ 300 :). mike

14 years, 8 months

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8/L has been sold. Have ADM-3A for sale.

by charlesmorris＠direcway.com

The 8/L, ASR33, DF32 disk emulator project has been sold. Thanks for all your interest (and offers). Anyone who wants the DF32 emulator schematic and artwork, I can email you a copy. I hope someone can take my "first draft" and make a useful unit for those who are interested. I have a working ADM-3A that I may want to sell also. It has a homebrewed lower-case 2716 ROM (thanks Steve Loboyko for the font files). I installed the "optional" parts for current loop on the main PCB, and used it with the 8/L. The only thing that's missing is the little aluminum panel covering the dip switches. Any interest? Same deal as before, please email offers, "sealed bids". thanks Charles

14 years, 9 months

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Perkin Elmer 7300 Pro System Museum Quality!

by mail.list＠analog-and-digital-solutions.com

Here's one some of you might like. Perkin Elmer 7300 Pro System Museum Quality! http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2738081449 Current bid US $9.99

15 years

3
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Stag PPZ EPROM programmer

by coredump＠gifford.co.uk

I have a fine old Stag PPZ modular EPROM programmer: http://www.gifford.co.uk/~coredump/inst.htm#PPZ It takes plug-in EPROM (model Zm2000) and PAL (Zm2200) modules, called Z-modules by Stag. I've recently acquired a new module, Zm3000, which looks like a more recent EPROM module. The chips in the Zm3000 are date coded in 1993, whereas the Zm2000 is nearer 1988. The PPZ main unit contains a 6809 CPU and a small CRT display. Does anyone know anything about this system? What about other Z-module types? In particular, should the Zm3000 work with the PPZ, because I currently get an error message "Incorrect Mainframe"? Thanks in advance for any clues! (Virtually all I get from Google is a link back to my own web page!) -- John Honniball coredump(a)gifford.co.uk

15 years, 2 months

4
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IBM PC Convertible Speech Module.

by netsurfer_x1＠fastmailbox.net

Anyone here have the speech module for an IBM PC Convertible they want to get rid of? I just got one of these laptops & was hoping to score one. David M. Vohs Digital Archaeologist & Computer Historian Computer Collection: "Triumph": Commodore 64, 1802, 1541, Indus GT, FDD-1, GeoRAM 512, MPS-801. "Leela": Original Apple Macintosh, Imagewriter II. "Delorean": TI-99/4A, TI Speech Synthesizer. "Spectrum": Tandy Color Computer III. "Monolith": Apple Macintosh Portable. "Boombox": Sharp PC-7000. "Butterfly": Tandy 200, PDD-2. "Shapeshifter": Epson QX-10, Comrex HDD, Titan graphics/MS-DOS board. "Scout": Otrona Attache. (prospective) "Pioneer": Apple LISA II. "TMA-1": Atari Portfolio, Memory Expander + "Centaur": Commodore Amiga 2000. "Neon": Zenith Minisport.

15 years, 3 months

5
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I'm so stupid...

by msokolov＠ivan.Harhan.ORG

Back in 1998 (actually more like from summer 1997 until summer 1998, i.e., the 1997-98 school year), before I started Quasijarus Project, I was searching the World high and low for a copy of the 4.3BSD tape set. That was before PUPS got its momentum with getting the $100 "Ancient UNIX" license deal from SCO, and more importantly, getting people interested in preserving and working with Original UNIX, and at that time the entire world was basically in a conspiracy of anathema against original Bell/Berkeley UNIX, everyone just wanted it to stay buried in its grave and not come up. Getting a copy of the 4.3BSD tape set seemed next to impossible. www.berkeley.edu was shockingly silent about the fact that Berkeley UNIX aka BSD, UC Berkeley's greatest accomplishment in all of its history, ever existed, much less saying how to order a tape. Finally I found a phone number and a couple of E-mail addresses for some office at UCB that was apparently kept for sending out tapes after CSRG itself was gutted. The office was basically a voice mailbox and a couple of E-mail addresses, with the two people who were actually supposed to get those E-mail and voice messages being away somewhere in San Francisco and taking a few weeks to answer inquiries. Finally they got back to me and told me to send a check for $2400 for 4.4BSD and $1000 for 4.3BSD. Ouch! And of course some murky business about licenses. At that time, however, I attended Case Western Reserve University (CWRU) and had a semi-staff relationship with their computer science department. I realised that the university must have had a UNIX source license from back in The Days, and most probably had the actual 4.3BSD tapes at some point as well, especially given that the old-timers told me that they were indeed running 11/780s before. But again the conspiracy of anathema was working: everyone had completely forgotten about it, and no one on the entire campus even knew that the university had a UNIX source license (and old-timers confirmed that indeed there was one). When spring 1998 came around, PUPS was making its debut with the $100 license deal from SCO. I didn't care so much about license stuff, but it meant a resurgence of interest in Original UNIX and a community of people involved with it, something that was completely lacking only a few months prior. I wanted access to the PUPS archive, and I wanted to use the university's license rather than fork over $100 for a personal one. The only issue was *finding* that license. Then I got a bright idea: since the license agreement was between CWRU and AT&T, there must have been copies of it on both sides. If CWRU had chosen to forget about the license they once paid big money for, how about if I dig up a copy of the license agreement from AT&T side? So I asked SCO's Dion Johnson about it, and lo and behold, a few days later a copy of CWRU's original UNIX license agreement shows up in my box in the computer science department mail room! Warren Toomey got another copy and soon I got an overseas fax from him with passwords for his PUPS Archive! Whoo-hoo! But I still needed 4.3BSD. It wasn't in Warren's archive since they were still PDP-only at that time, and me holding a copy of my school's AT&T UNIX license agreement didn't help convince anyone I knew who might have had 4.3BSD tapes to share them with me. In late 1997 I got myself an office at CWRU, it was the CES department's computer junkyard room. I was quite happy, a room full of classic computers was the best office I could get. It was actually two rooms, 411 and 412. Only 411 was accessible from the hallway, the entrance to 412 was inside 411. Both rooms were filled with classic computer gear, but 411 was a little less full and actually had some room for a desk and was usable as an office. 412, on the other hand, was *completely* filled with classic computer gear (mostly Sun 3) and it was difficult for a person to make it through to the end of the room. At the very end of room 412 (the end opposite the entrance door from 411) there was something that looked like a plastic curtain or plastic window blinds. The architecture of that building was really intriguing, the kind one finds only on good old university campuses, and I couldn't really tell if there was supposed to be a window there or not. I just never gave it much thought, and it was too difficult to climb over all that Sun 3 gear in the way to see exactly what it was. On a shelf in room 411 there were some magtape reels, and I thought that if they ever had 4.3BSD tapes, they ought to be there. But I looked through all the tapes I could see and 4.3BSD wasn't there. Bummer. Then one day in summer 1998 I came to work in the morning, went up the stairs to my beloved Computer Engineering and Science department 4th floor, went to the end of the hallway to my office, and got in. I turned on the lights and per my usual habit, peeked all over the room to make sure all the fun classic computers were still there. And lo and behold, at the very end of room 412, where I previously saw those plastic curtains or window blinds or whatever, I now saw two racks full of magtapes! It turned out that the plastic "curtains" were actually vertically sliding doors (kinda like garage doors) of two huge magtape cabinets! Another staff member must have had a need to get some old magtape and didn't close the cabinet after he was done. With trembling hands, I raced there and started looking through all the tapes. And sure enough, in a few minutes I found all 3 tapes of the 4.3BSD 1600 BPI distribution. I spent pretty much the whole year prior to that moment searching the World high and low for 4.3BSD tapes when they were sitting the whole time in my own office! Now that's a "Duh!" moment. MS

16 years, 8 months

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Bernoulli/Syquest carts available

by SUPRDAVE＠aol.com

I've more of these than anyone will need and they're all brand new. 3 packs of Bernoulli 5.25 44meg disks KAO 5.25 88meg syquest disks. The label inside says they are formatted for Macs but includes software for wintel machines also. $1 each plus whatever for shipping and they're yours. Just say how many you want. -- I am not willing to give up my privacy for the false promise of 'security'

17 years, 11 months

2
1
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Quadram Quadboard

by geoffr＠zipcon.net

Does anyone have docs for this beastie? it's an apple-II on a card that goes into an XT... or does anyone have any interest in it? it's been sitting on my shelf for ~ 12 years now...

18 years, 7 months

8
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Re-finding more items as I open boxes

by DAW＠yalepress3.unipress.yale.edu

> ---------- > From: John R. Keys Jr. > Reply To: classiccmp(a)classiccmp.org > Sent: Friday, February 15, 2002 2:54 PM > To: classiccmp(a)classiccmp.org > Subject: Re-finding more items as I open boxes > > Found the following while unpacking in the warehouse: <<<<<clipped>>>>>> > Took some other goodies home to play with like the 20th Annv. MAC,... > --- 20th Anniversary Mac? You booger... I may have to grab it when you're not looking. ;-) --- David A Woyciesjes --- C & IS Support Specialist --- Yale University Press --- mailto:david.woyciesjes@yale.edu --- (203) 432-0953 --- ICQ # - 90581 Mac OS X 10.1.2 - Darwin Kernel Version 5.2: Fri Dec 7 21:39:35 PST 2001 Running since 01/22/2002 without a crash

18 years, 9 months

4
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The Univac III (in trailer) is back

by ssj152＠charter.net

Well, the Univac III is back: UNIVAC III Computer (In Storage since 1975), eBay auction Item # 2733726990. This time the starting price is $7,500 and the buy-it-now is $11,000. The URL is: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2733726990&category=1247 OK, somebody, jump right on it! :-) (Not me, I'm into LITTLE computers like PDP-11's and VAXen, with an occasional side dish of 6502 or 8085) Stuart Johnson

19 years, 1 month

5
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Gould Biomation K-105D Logic Analyzer Available

by sloboyko＠yahoo.com

Certainly, there are a lot of logic analyzsers (or analysers, if you are English) floating around. I was told by a guy who specializes in "refurbished" (i.e. dusted off) test equipment that this is because a lot of it is gov't surplus where they just grab the unit. He also mentioned that a lot of university surplus has partially blown pods because of carelessness - due to the nature of what they do, not much protection on the inputs. I have a Tek 1230 which I was lucky enough to get some pods with. I had another one w/o pods and GOOD LUCK on getting schematics, etc on this stuff - it's a "black art" proprietary sort of thing. ===== -Steve Loboyko Incredible wisdom actually found in a commerical fortune cookie: "When small men cast long shadows, then it is very late in the day." Website: http://juliepalooza.8m.com/sl __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/

19 years, 7 months

10
14
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Unix on BBC micro with 16032 coprocessor

by hollobon＠gmail.com

Does anyone know if Xenix / Unix were ever available on the NS 16032 second processor for the BBC micro? I remember reading that it was intended to be made available in the user's guide years ago. Pete

20 years, 4 months

5
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Available for pickup.

by ajp166＠bellatlantic.net

I take it that I can notify the owner that these systems are of no interest to anyone here. I cant take them, too much and too big. Allison > >Subject: Available for pickup. > From: Allison <ajp166 at bellatlantic.net> > Date: Mon, 26 Sep 2005 18:42:52 -0400 > To: cctalk at classiccmp.org > > >I do not hold these but I've been asked if I want them. > >Allison > > >>I sent this earlier to arrl.org, but I thought I would also try here. These >>are free to the first taker, but that may be the rubbish man ! >>Apollo 400 >>Apollo 715s/50 >>Apollo 715t/50 >>(2) Apollo 715/64 >>Apollo 400 > >

20 years, 5 months

13
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datasheets for 82S21 - Signetics 32x2 SRAM?

by brad＠heeltoe.com

Does anyone have a datasheet for an 82S21? I checked all the obvious places but can't find one. 82S21 - Signetics 32x2 SRAM thanks! -brad

20 years, 6 months

11
26
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HP 150 Touchscreen

by mwelch＠redwoodalliance.org

Hello Friends: Just cleaning out storage and decided to sell my one-owner HP150B. But first I need to make it work. It was working when I put it back in its boxes 20 +/- years ago. But, I can't get past the pre-boot error message, "Power-on test failed 0004" or sometimes "0000c". Anybody know these error messages? Or better yet, where I can get a list of power-on error messages?

20 years, 6 months

3
2
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Tape punch

by charlesmorris＠direcway.com

I'd posted here a while ago looking for info on a Tally 420PR tape punch and have built a driver board to interface it to a PDP-8A. But there is a problem with consistent punching/feeding (the result is often a longitudinal tear instead of holes) even with the pulse widths set to the recommended 4.5 ms +- 0.5 ms, -24 volts, and the feed mechanism intermittently binds up too. Currently I'm running it with only the sprocket and feed drivers hooked up, and simulated punch commands from a 555 timer, so the result should be continuously feeding tape with just sprocket holes punched in it. I suspect the problem is that the feed pulse starts immediately on the falling edge of the punch pulse, so the pin hasn't cleared the tape as the feed mechanism starts to move. It also tends to stick in that position with the tape not moving (you can hear the solenoids buzzing but the feed sprocket is not moving until tweaked backwards a few degrees by hand). According to the schematic, the escapement solenoid (which allows the tape to feed one row per pulse) is supposed to be actuated internally by contacts on the feed solenoid so there shouldn't be a timing issue there. Does anyone have more info on this punch model, or experience with these asynchronous mechanisms in general? Is there a requirement for a delay between punching the holes and pulsing the feed solenoid? How long does it take for the pins to move up or down after drive is applied/removed? thanks Charles

20 years, 6 months

7
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Classic embedded development tools

by tshoppa＠wmata.com

The FPGA/Xilinx swearing around here reminds me... Many years ago (OK, decades, actually a good chunk of a century now) the tools for doing embedded software development from the manufacturers were: 1. Distributed as source code 2. Widely portable 3. Well-documented in terms of file formats Examples are the Intel 8008 PL/M compiler they released in Fortran and the original PALASM (Monolithic Memories?) in Fortran. (IIRC the PALASM source appeared in printed form in one of the manuals). Even for commercial tools, the three "good things" enumerated above were often true. The reason for this openness was because user's didn't all have identical development platforms, often they had access to a timesharing system or a departmental minicomputer that they used for cross-compilation etc. Since then of course the tools have become MSDOS/Windows-only, distributed only as binaries, and sometimes the file formats/ programming process are trade secrets (often reverse-engineered by those using them!) I can see why this happened: supposedly everybody had a PC-clone running Microsoft software, so you could just give away or sell binaries instead of source code. Of course, freeware embedded tools (e.g. GNU and others) today reflect a backlash against the Windows-ization of embedded development tools. A similar thing has happened to SPICE (most users are not using the open-source Berkeley code but instead proprietary versions which lock them in to a specific vendor and that vendor's component models). And there's the backlash to this in the open-source community (SPICE3 with ngspice/gEDA and some GUI's layered on top of it.) But in my experience, outside the hobbyist community the freeware embedded tools don't have much traction. I'd be glad to be proven wrong! Actually I do know of a couple of small commercial projects that used gcc for StrongARM and have heard of a couple that use gcc for MSP430. I myself use gputils (GNU PIC utilities) and gpsim occasionally and am occasionally forced to plunge into hell with commercial embedded development tools (which mostly suck) under Windows. OK, that's my pontification for this morning. Tim.

20 years, 6 months

13
39
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HP 9845 C with 280 option startup failure

by tequilizer＠gmx.net

I recently acquired a HP 9845C option 280 (was looking for it for a really long time). The machine is in an overall good condition, however it hangs during memory test ("MEMORY TEST IN PROGRESS"), even after cleaning all board connectors, resocketing all ROMs & repeated control-stop's. Before entering nirvana the printer outputs a couple of memory addresses. Although lots of defects may be responsible, I assume there is a combination of both a bad RAM chip and a ROM failure, since a RAM defect alone should (?) not crash the system during the test. The printout looks like this: 000000 100112 052525 000000 110112 052525 000000 120112 052525 000000 130112 052525 I guess the first number is the block ID, the next is the memory address within the block, and the last number is the test pattern, each in octal representation. Does anyone have an idea - how to really interpret the memory test printouts and - how to check the ROMs for bad data? Maybe there is anyone out there who did the job to read out the contents of his 9845 ROMs (they are all in sockets) for a direct comparison. There is a 98407A memory option installed, and, of course, a bit slice LPU. So the ROMs work out as: PPU assembly: CE1 LB: 1818-1591B CE1 UB: 1818-1592B CE2 LB: 1818-0846D CE2 UB: 1818-0841D CE3 LB: 1818-0837D CE3 UB: 1818-0833D CE4 LB: 1818-1898A CE4 UB: 1818-1899A LPU assembly: CE1 LB: 1818-1506A CE1 UB: 1818-1502A CE2 LB: 1818-1507A CE2 UB: 1818-1503A CE3 LB: 1818-1508A CE3 UB: 1818-1504D CE4 LB: 1818-1509A CE4 UB: 1818-1505A Most of them schould be the same as in an 9845B model 200 system. Thanks for your help Ansgar

20 years, 7 months

3
26
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local demolition of SAGE building

by john_boffemmyer_iv＠boff-net.dhs.org

I saw this in today's copy of my local newspaper on-line. The location of the building is in New Windsor, NY. Stewart International Airport -as some of you know- sits on the border of the Town of Newburgh and New Windsor. It used to be and still is to a degree, a major Marine, Army and Air Force base. More currently, it is a commercial international airport and a base for the Air Force, local Army and Air Force Reserves and touts a pair of the biggest runways in the USA. It is the 3rd location on the list for emergency landings for the Space Shuttles if something should go wrong. Unfortunately, as this piece suggests, the military has already removed the actual SAGE equipment from the building. I used to go on walks past this building as a kid as there is a path near it that my family would take through a wooded area (scenic stuff) and up until recently, was open to the public, sort of like a park. I figured I'd send this to cctech because it has a lot of historical relevance. -John Boffemmyer IV STORY AS FOLLOWS: July 16, 2005 Cold War building faces colder reality By Jeremiah Horrigan Times Herald-Record jhorrigan at th-record.com New Windsor ? You'll find it on the edge of Stewart International Airport, a windowless, four-story concrete cube that looks like it could withstand a nuclear blast. And that's exactly what it was built to do. If things had gone as many Americans feared during the Cold War, if the Russian bombers had finally come over the horizon, the Semi-Automatic Ground Environment building was the key to the country's military defense system. The building that once thrummed with the tensions of a time when nuclear Armageddon was a constant threat was abandonned by the military decades ago. The unnerving skeleton of its legacy remain, including the war room, where etched-glass maps of the Eastern U.S. display likely Russian targets. Above the maps looms a doomsday tote board, meant to track the "progress" of World War III. Even before the '50s faded and ICBMs became the weapon of choice among the world's super-powers, the SAGE building had become as antiquated as an Edsel. It's now slated for the wrecking ball under the airport's new 20-year master plan for development. And that plan is under siege by a group of people who for years have been laboring to transform the SAGE building into what they call a Cold War Peace Museum. Ulster County Legislator Susan Zimet has spearheaded the effort, lobbying, fundraising and proselytizing on the building's behalf for the past five years. To her, the building isn't a dead relic but a living reminder of an era she believes we forget at our peril. "All the stuff we deal with daily ? terrorism, the possibility of nuclear terror or the situation in Korea ? it all began with the Cold War." Zimet's not much of a history buff herself, and, after years of exploring possibilities, she's doubtful the building is suitable for becoming a first-class museum. But that, she argues, doesn't mean the building should be demolished. Taking it down (at an estimated cost of nearly a million dollars) would be no different than destroying Washington's headquarters in Newburgh, she says. Tanya Vanasse toured the building's interior recently. She wasn't impressed. Vanasse is the airport's director of marketing. She sees no reason to keep the building around. The airport's master plan calls for the building to come down sometime between 2008 and 2012, to make way for a rail yard that would be part of a new train station, according to Zimet. "I can see no viability of making this into a public space. It's far too dangerous, it's got far too many accessibility problems," she said last week. "I could see removing the (etched glass) pieces and building a display around them." Vanasse said the plan is open ended, that no hard-and-fast timetable exists. Nevertheless, Zimet's group is urging people to sign petitions that would preserve the building. In the meantime, the SAGE building, silent and foreboding as a tomb, continues to do what it has always done: It waits. Anti-blast from the past was built to last If it goes, the Semi-Automatic Ground Environment building won't go easily. Its thick, lead-reinforced concrete walls were intended to withstand the ravages of a nuclear holocaust. Only a direct hit could have taken it out. The building was designed in the mid-1950s as part of a network of identical information-gathering centers built throughout the country that was supposed to protect the country's nuclear bomber fleet. Its designers intentionally made it so nondescript that only a handful of military personnel even knew of its existence or purpose. Its computer system was beyond compare, requiring thousands of square feet and at least as many delicate transistors to track potential intruders. Watching the skies at a SAGE building console, said one retired Air Force veteran, was like something out of "Buck Rogers." But, like so many other state-of-the-art defense systems, this one was obsolete almost before it became operational. It was designed to combat nuclear bombers. By the end of the decade, intercontinental ballistic missiles had become the bomb delivery system of choice. The structure was officially decommissioned in 1969. Since then, it has served as a free-trade zone. Its ground floor is now occupied by a chocolate- packaging factory. Jeremiah Horrigan E-mail this story Print this story Subscribe to the Record Today's top news headlines ? DPW blackmail unfolds ? Tragedy strikes family ? Locals doubt camp's zoning ? Cold War building faces colder reality ? County trash hauler plans recycling fee See all of today's news stories. Online special features News ? Remembering the fallen A tribute to the local soldiers we have lost. ? Middletown on Trial Continuing coverage of the Mayor Destefano trial. ? Report Card 2005 A report card on our schools. Includes statistics on our local districts. Have the top headlines from the Times Herald-Record e-mailed to you every morning. Sign up here. Have a tip about a news story? Contact THR Managing Editor Meg McGuire at mmcguire at th-record.com or call 346-3041. SPOTLIGHT ON ... Otterkill Golf & Country Club "Orange County's Premier Golf Course." 100 Otter Road Campbell Hall, NY 845-427-2020 ? Visit Website Record Online is brought to you by the Times Herald-Record, serving New York's Hudson Valley and the Catskills. 40 Mulberry Street * PO Box 2046 * Middletown, NY 10940 Telephone 845-341-1100 or 800-295-2181 outside the Middletown, N.Y., area. Copyright Orange County Publications. All rights reserved. -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.323 / Virus Database: 267.8.15/49 - Release Date: 7/14/2005

20 years, 7 months

13
24
0 0

Orphaned OS thoughts

by James＠jdfogg.com

While reading an old resume, I came across something I forgot about. I used to admin some 3Com 3+ and 3+/Open systems. 3Com made the hardware (beefed up PC stuff) and wrote or owned the OS. Anybody know what became of 3+/Open? -James James Fogg JD Fogg Technology Consulting 18 Watershed Lane Wilmot, NH 03287 (603) 724-2243 www.jdfogg.com

20 years, 7 months

2
1
0 0

Short review of $550 power cord plus a new SWTPC 6800

by swtpc6800＠comcast.net

With all of this ragging on audio nut who spend obscene amounts of money on wire, I decided to at a look. I don't know why we call them crazy, they don't have 1975 computer running in the basement. The guy in the next office is in to high end audio. (Although he claims that he is in the lower end of the people in his audio club.) I asked if he had a power cord so I could take some pictures. He had a spare PS Audio xStream Statement Power Cable, the 2 meter version lists for $550. This is 6 gauge oxygen free copper with machined connectors. The cord has a ferrite impregnated jacket. Here is my short review of the power cord http://www.swtpc.com/mholley/MP_F/PS_Audio.htm I took it home and hooked it up to my new custom case computer which also cost me about $550. It is a modern 3 GHz Pentium that looks like a 1975 SWTPC 6800. http://www.swtpc.com/mholley/MP_F/MP_F.htm#NewCover

20 years, 7 months

15
23
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Calling Fred van Kempen!

by aek＠bitsavers.org

Several other people have been trying to contact Fred and not having any luck.

20 years, 7 months

5
4
0 0

Japanese computers

by aw288＠osfn.org

I have developing somewhat of an interest in Japanese computers lately, and recently on a.f.c., someone pointed to the museum at: http://www.ipsj.or.jp/katsudou/museum/ Great pictures! I noticed that some of the pictures appear to be of survivors - old machines from the 60s and 70s that are still around. Does anyone, perhaps a Japanese list member (are there any?) know anything about the computer museum scene in Japan? William Donzelli aw288 at osfn.org

20 years, 7 months

16
32
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FPGA VAX update

by ajp166＠bellatlantic.net

> >Subject: Re: FPGA VAX update > From: woodelf <bfranchuk at jetnet.ab.ca> > Date: Sun, 23 Oct 2005 15:10:44 -0600 > To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> > >Michael Sokolov wrote: > >>Chuck Guzis <cclist at sydex.com> wrote: >> >> >> >>>If PC-based emulators are fast enough, why bother with the IC version? >>> >>> >> >>1. I don't want an emulator, I want The Real Thing (tm). >> >>2. A pee sea based emulator requires a pee sea. I refuse to contaminate >>my house with a pee sea. >> >> >FPGA software requires a pee sea sadly enough. I suspect a 8080 could do >PCB or CUSTOM >IC design if you could use a programable character set on a terminal. >When you think about it >it is the hidden documentaion in closed hardware that is the problem. I >open source FPGA >could be done as a custom chip but getting around the hardware patents >is the problem.. An 8080 could not do it and graphics has little to do with it. FPGA P&R is a really large array problem that eats memory and cpu. The PC is a common choice as it's become fast enough and common as houseflies. After PCs what s the next most common hardware? A vendor of hardware (FPGAs) really only provides software so they can sell the part, I doubt that software is a money maker for them. So with that in minds if you not running a PC then likely the alternate hardware is from the small list: VAX or Alpha running UNIX AS400? Something PowerPC based? SUN? What else is out there that's not wintel, fast enough and can address a large memory that runs a fairly current UNIX. That also assumes the software that can P&R the FPGA is available as source. Allison

20 years, 7 months

19
46
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M9312 archive on classiccmp

by jwest＠classiccmp.org

I found one of the rom images I put up was a bad prom. Another one read consistently but didn't match two other sources. The images have been replaced. Affected images : 752A9, 248F1, 616F1. I replaced them after getting multiple other images and comparing, so I'm confident the ones up now are all correct. I'd like to post source listings for the boot programs. Anyone got a program to re-arrange the bits correctly, then disassemble? Jay

20 years, 7 months

5
7
0 0

RX01 felt pad (Tim)

by ajp166＠bellatlantic.net

> >Subject: Re: RX01 felt pad (Tim) > From: David Gesswein <djg at drs-c4i.com> > Date: Tue, 25 Oct 2005 18:22:26 -0400 > To: cctalk at classiccmp.org > > I just took apart my RX02 to clean them since they were getting >flakey. On a previous drive I just went to a craft store and bought the >closest material I could find, cut it to a small dot to fit in the >cup. Put a drop of glue in the cup and push the material in. > >To get the drive out for access. >1) Remove from outer shell if you have the desktop unit. The top cover >comes off with obvious screws then ones along the side free the internal >unit. >2) Disconnect the cables to the controller board and motor power connector >on the back of the drive hidden by the air baffle. >3) Remove drive from rest of assembly. 2 screws through the air baffle >at the back and 4 from the top down. If you tilt the upper board up >on the hinge they are accesible through holes in the lower PCB. > >That should free the drive. You can then lift up the little presure arm >to easly get at the pad. > >I don't have any real RX01's so they might be slightly different for >disassembly. RX01 drives and RX02 drives are the same. Only the logic differs. Allison

20 years, 7 months

6
9
0 0

HP 1000/2000 cache on ePay

by oldgeek＠thegeekslair.org

Oh great almighty screaming gort! Some major HP gear with 'buy it now' prices... Items 8702744737 8702428795 5244771878

20 years, 7 months

10
19
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I'm getting out: Components Available, Part 1

by richard.beaudry＠gmail.com

Hello all, For many reasons, which I don't care to detail, I'm getting out of the "business" of vintage computing (In fact, I'm no longer subscribed, so don't reply to the list, because I won't get it). 95% of my collection has been sold, given away, or dumped, and I only have a few more items, plus the components listed below. I am offering these components to the best offer, plus shipping from MA, USA, Zip Code 01473. I *strongly* prefer PayPal, but will take USPS Money Order (*no other payment methods, please*). These components have been stored cool and dry, but are untested. Also, many of them have *not* been stored in anti-stat drawers, so please keep that in mind. I will ship on anti-stat foam if posible, or wrapped in foil if I am unable to put them in anti-stat foam. Vast majority of date codes are in the late 70' to early 80's. I'm not sure what a lot of these even do, and I don't have datasheets, so you're on your own identifying them :-) I'll keep the bidding open until 10/31, midnight, my time. If you are interested, please contact me *off-list* (richard.beaudry at gmail.com) with offers, and let me know your ZIP or country, so I can estimate shipping. I will let the final list of people know on 11/1 (or thereabouts) by email what they can get. Part 2 will be listed in a week or two, when I finish cataloging it... Here's the list: Qty. Item. 6 HP 5082-7340 Hexadecimal Display 8 TI TIL311 Display 2 7812 TO-220 CASE 6 LM-317T TO-220 CASE 5 UA741CP (TI) 8-PIN DIP 68 UA7912UC TO-220 CASE 14 UA78H05SC TO-3 CASE 12 UA78H12ASC TO-3 CASE 20 VH248 FULL-WAVE BRIDGE RECTIFIER 76 TL780-05CKC TO-220 (HIGH-CURRENT 5V REG., I THINK) 10 1A 250V FAST-BLOW 3AG FUSE 6 40-PIN Augat Socket (white plastic, gold machined-pin) labeled "Microprocessor Carrier" 28 18-pin Augat machined-pin wire wrap socket 4 40-pin Augat machined-pin wire wrap socket 9 28-pin Augat machined-pin wire wrap socket 34 18-pin Augat machined-pin wire wrap socket 4 16-pin single-row header, wire-wrap tail 35 30-pin dual-row header (15-pins per row), solder-tail 11 spst momentary push-button switches (6 black, 5 red), button dia. 1/4" 25 spdt mini-toggle switches, 3A 125VAC, 3/8" toggle length 45 spdt toggle switches, marked with both 2A 250VAC and 5A 120VAC, C&K UII, 7/16" toggle length 1 AD7506SD 2 AD521JD 4 DAC 888 FX 2 DAC 08 BC 1 DAC 0800 LCN 4 AI-2625-5 15 UGN3203 24 ULN2004A 11 ULN2068B 73 AM26LS31PC 71 AM26LS33PC 11 N82S103N (some late 70's date codes) 19 1489 RS-232 (mixed vendors) 41 1488 RS-232 (mixed vendors) 7 N8T95 1 N8X320N 4 N8T97N 12 N8T32N 1 TRW 08HUJ5C 39 TRW TDC-1006J 9 SAA1027 8 MC10H166P 4 TCM29C13J 25 N8T30N 1 WD2010B-PL 1 SMC FDC 1795 1 SAB 1797-02P 1 WD8250CL-20 1 WD10C20B-PH 1 WD1100-CE 1 WD1010PL-05 1 WD1015-PL 1 Adaptec AIC-100 1 Adaptec AIC-250 4 AY-3-8910A 2 ISD 1000AP ('93-'94 date) voice recorder IC 3 N8S100N 9 MM58167AN 25 N82S129N 2 UM8397 2 2122CN (logo looks like "XR") 3 2120CP (same "XR" looking logo) 6 AMD AM9264DPC 1 Rockwell (?) 10464-13 1 SC87C51 CGN40 1 NCR 90C98 1 VTI VL82C50-PC 1 Intel p82586 1 HM82C11C 2 AY-5-1013A UART 1 R68561P 1 COM9026BI 1 R2121A-01 2 8153C (logo looks like "EA") 2 8151C (again, "EA" logo) 1 Intel P89027 1 TLC 32040CN 2 N9403N 1 N8X305I 6 N8X300I 1 Intel 8288 1 Intel 8284 2 LM311N 7 9643TC 6 MC10H161P 3 DG201ACJ 4 MM5280N 2 MCM6164C55 1 Analog Devices ADLH0033G (circular can, 12-pin) 1 LM319N 1 LM101AD 1 XEBEC 104648D 8 Intel P5101L-1 5 NEC marked D780C-1 3 unused PAL16L8A-2CN 10 MC14050BCP 1 VH048 Bridge Rectifier 6 VH448 Bridge Rectifier 1 VARO IN4436, TO-3 case w/ what looks like a heat sink Thanks, Rich B.

20 years, 7 months

1
1
0 0

TEAC FD-55GFR = Quad Density?

by ajp166＠bellatlantic.net

> >Subject: Re: TEAC FD-55GFR = Quad Density? > From: Fred Cisin <cisin at xenosoft.com> > Date: Fri, 07 Oct 2005 16:34:17 -0700 (PDT) > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> >BOTH. >The 55F is "720K" only; 55G and GFR are 1.2M. >The 55GFR is a reliable and versatile drive. FD55A single sided 48tpi 300rpm FD55B Two sided 48tpi 300 rpm FD55E single sided 96tpi 300rpm FD55F two sided 96tpi 300rpm FD55G two sides 96tpi 300/360rpm >It is not so good with hard-sectored, or NO-index reading. Works great with NS* hard sector controller at 300rpm. >The difference between 1.2M and "720K", sometimes called "QUAD density" by >the marketing people, are 360 v 300 RPM, 250K v 500K sata transfer rate, >and different current levels at the heads (controlleable on the >interface). They are both 96TPI. QD is for those systems that DD was 360k (48tpi). QD system could be 720k, 780k(amproLB). >To do "quad" in an "HD" drive requires stepping at 96TPI, but the data >transfer rate, and current levels at "360K" levels. Or the common QD systems I have the data rate is same as DD (still 300rpm) but there are twice as many tracks or quad. 5.25 floppies started at 80k (sa400 single density one side 40 tracks (48tpi) all the way to near 800k (FD55F, DD, two sides 96tpi). There were enough marketing names to the capacity jumps to confuse even the marketers. however once the data rates hit DD there were SSDD(160K raw), DSDD(400k raw) and then DSQD(800k raw) and there was even a SSQD(400K raw) (yep 96tpi DD data rate and only one side). that last one was know widely as RX50 and also appeared using FD55E on Visual 1050. There was the 1.2mb PC thing. This is why 5.25 floppy was so much confusion as it morphed from the 35 track SA400 through the FD55GFR. There there were the formats applied.. [open can, worms!, run!] Allison

20 years, 7 months

12
23
0 0

PalmOS no more? :(

by bpope＠wordstock.com

http://www.cnn.com/2005/TECH/ptech/09/27/palm.microsoft.ap/index.html

20 years, 7 months

40
179
0 0

Computer speedometers

by cclist＠sydex.com

I was reminiscing to someone about an old GE mainframe with an analog meter that registered Kops/sec. I'm sure it was little more than an RC integrator hooked to the RNI signal reading out on a voltmeter, but it seemed pretty spiffy at the time. Has anyone done a similar thing with their vintage systems? On the 8080, the M1 signal could be used; I'm not sure offhand about other processors. I know--it's more simple amusement for a simple mind...but then, blinking lights always fascinated me. Cheers, Chuck

20 years, 7 months

11
13
0 0

Interex membership list for sale

by vp＠cs.drexel.edu

A California bankruptcy court will sell Interex's membership database to the highest bidder to help satisfy creditor demands of the bankrupt user group, according to recently filed court papers. The Hewlett-Packard Co. user group claimed about 100,000 members before filing in August for bankruptcy. http://www.computerworld.com/governmenttopics/government/legalissues/story/… **vp

20 years, 7 months

10
14
0 0

HP 9133 (Matthews, Phil)

by wayne.smith＠charter.net

> Date: Tue, 18 Oct 2005 08:36:11 -0400 > From: "Matthews, Phil" <Phil_Matthews at DRSOptronics.com> > Subject: HP 9133 > To: <cctalk at classiccmp.org> > Message-ID: > <53CB7766CBAB9148BCB56ABC56F408CF051921D4 at california.drso.biz> > Content-Type: text/plain; charset="us-ascii" > > Hi, > > I have been looking at your cctalk bulletin board and it > appears that Frank McConnell is someone who knows a lot about > old HP computers. I have been tasked to replace the HP 9133 > computer on some of our test equipment with new PC's. I was > hoping to contact somebody who might know if this is possible > and how to do it. So I was wondering if you knew how I could > contact Frank McConnell or somebody who might know. > > Sincerely > Phil Matthews > DRS Optronics Inc > Electrical Engineer > (321) 309-2124 > phil_matthews at drsoptronics.com A 9133 is a hard disk/floppy disk combo drive - there's no CPU. The CPU is in a separate box - probably something like a 9920, 9000/217, 9000/300, etc. Joe Rigdon is also a good bet for advice on this stuff.

20 years, 7 months

3
2
0 0

help - 11/34 console problem

by henk.gooijen＠oce.com

Hi all, I finally got juice on the main power line connection in my museum. I am connecting my machines bit by bit, after 2 years of inactivity. I have found the following problem with my 11/34C. (I will keep the description short, and tell only the end result) The console of the 11/34C (11/34A plus cache option) shows weird (=wrong) behaviour. It was working fine! The display shows "000000", and the RUN LED is off. If I press the 'LSR' button, the 'SR DISP' LED goes on. However, if I press any of the numerical buttons, '1-6', a digit in the display only flashes very brief. I cannot say what the digit was. It looks like the M7859 has developed a problem. To make things more weird the following happens if I start with pressing the 'CLR' button and then the numerical buttons. 1) press CLR (display stays at "000000") 2) press e.g. 6 (some of the rightmost digit segments briefly flash) 3) press 6 again (1st and 2nd of the right display flashes) 4) press 6 again (1st, 2nd and 3rd of the right display flashes) The first leftmost three displays remain "000" and do not show any sign of changes. Pressing 6 after the first 3 times, repeats the flashing of some segments in the three rightmost displays. So, I have the impression it has the problem to do with the M7958. AFAIK, the entry of the digits, for example the numeric entry '165020' does *not* need the UNIBUS, but only sets up an internal register. The 'LAD' button, and 'DIS AD' will start a UNIBUS cycle (to access a memory location). Correct? BTW, the voltage on the CPU backplane (DD11-PK) is 5.08 V. and the +15 and -15 read +/-15.x V. (Can't remember the exact value). I have an other 11/34 with an M7958, but never powered up that box. I took that M7859 and installed it in the 11/34C. The display stays dark. According to the M7859 doc, that basically means that the board is dead. So much for board swapping. Sorry, could not resist to try an easy success. I don't have other spare M7859 ... If you are interested, I can tell the steps I did before I stumbled on this M7859 (?) problem ... Anybody seen this display / console panel behaviour on the 11/34 ? Any clues ? All input is appreciated ! thanks, - Henk, PA8PDP. This message and attachment(s) are intended solely for the use of the addressee and may contain information that is privileged, confidential or otherwise exempt from disclosure under applicable law. If you are not the intended recipient or agent thereof responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately by telephone and with a "reply" message. Thank you for your cooperation.

20 years, 7 months

3
3
0 0

Waht is an MC1806 ?

by technobug＠comcast.net

On Sun, 30 Oct 2005 22:41:27 +0000 (GMT), rd at p850ug1.demon.co.uk (Tony Duell) wrote: > I am working on an HP59405, which is the HPIB interface for the HP9830 > 'calculator'. On the PCB are 2 chips which cross to something > called an > MC1806. This is not in any of my Motorola databooks. > > > Does anyone have a databook that lists it? > > -tony > > > This is the short description: Part Number = MC1806P Description = 2-Input AND-Function Logic Gate Manufacturer = Motorola Circuits Per Package = 4 t(PLH) Maximum (S) = 35n P(D) Max.(W) Power Dissipation = 75m Vsup Nom.(V) Supply Voltage = 5.0 Status = Discontinued Package = TO-116 Pins = 14 Military = N Technology = DTL The attached PDF is a overall listing of the Motorola DTL. Hope this helps. CRC?

20 years, 7 months

2
1
0 0

Big dollars paid for Altair 8800 on Ebay

by ajp166＠bellatlantic.net

> >Subject: RE: Big dollars paid for Altair 8800 on Ebay > From: "Chuck Guzis" <cclist at sydex.com> > Date: Mon, 31 Oct 2005 15:31:35 -0800 > To: cctalk at classiccmp.org > >On 10/31/2005 at 5:06 PM Gil Carrick wrote: > >>SWTP being a Texas company they would go well in our museum. What are you >>looking for? > >Gil, I'm not a collector. Just finding someone with a SWTP TVT that >they're trying to get operational would be sufficient. I also have the >assembly instructions and schematics. > >I've long since discarded the (very heavily modified) main board. One of >the first changes I recall doing was modifying it to display 16 lines of 64 >characters and recognize a few more control characters. Interestingly, >that last was mostly done with diodes and pullups instead of TTL gates. >Shortly after that, I graduated to a Beehive Super Bee terminal. > >The serial board has an NE555 installed on it with a small trimpot as a >baud rate generator. IIRC, 7497's were pretty hard to come by back then. > >I think I've got a taker, for the cards, BTW. Just need to get them into a >small Priority Mail box and off to the PO. > >Cheers, >Chuck > >>... >>> Speaking of old stuff, when looking for something else, I ran >>> across the serial and RAM cards for the SWTP TV >>> Typewriter--are they worth anything or are they better used >>> as landfill material? Not landfill fur sure. I acutally have a working TVT and most of it's docs with same mods you did save for mine was interfaced as parallel to the Altair. Works ok with a modern LCD TV! Allison

20 years, 7 months

2
1
0 0

Need help configuring DZQ11s on 2.11BSD for VCF!

by bob＠jfcl.com

Hi Guys, Debee is depending on me to get this PDP-11 working for VCF this weekend (she's speaking on Sunday!). I've got a 11/73 with 2.11BSD. The hardware configuration is pretty typical - RQDX3, DEQNA, TK50, and one DZQ11. Everything runs fine, but I need to install a second DZQ. The first DZQ has csr 160100 and vector 300, so according to my calculations the second should be at 160110 and vector 310. I set the switches, install the card, and then edit my system configuration to change NDZ to be 2, rebuild the kernel, reboot, and, .... Disappointment! When it gets up to init, it says: init: configure system dz 0 csr 160100 vector 300 attached ra 0 .... 172150 .... 154 tms 0 .... 174500 ... 260 ... etc ... nothing about the second DZQ. Everything else still works, including the original DZQ11, and it boots up just fine except that there's no sign of the second DZQ11. I figured I made a mistake building the kernel, so I double check my kernel configuration and yes, the file dz.h contains "#define NDZ 2". Just to be safe I delete all the objects from my machine's configuration directory and rebuild the entire kernel from sources (takes a couple of hours on a 11/73!). Still no joy - init only finds one DZ... And I'm sure I'm booting the new kernel because of the timestamp it prints out when you boot it. At this point I figured it's a hardware problem. Just to be sure, I pulled out both DZQs and swapped the switch settings on the two cards. This makes the original DZQ card now the "second" one at 160110/310 and the new card the "first" DZQ at 160100/300. Put it all back together and boot it up again - same results! Init finds the first DZ but not the second! Moreover, all the serial ports on the back that are now connected to dz0 (which is the card that used to be the second dz) still work! Of course, the ports on dz 1 (which is the card that used to work) are now dead. It seems like the two DZQ11 cards must be OK. Oh, and BTW, I even used the 11/73's console ODT to verify that all addresses from 17760100 to 17760117 respond. The only explanation I'm left with is a configuration problem. Is there something I don't know about rebuilding the 2.11bsd kernel? Is 160110/310 the wrong location for the second DZQ11? Thanks much, any suggestions are appreciated. Bob Armstrong

20 years, 7 months

8
11
0 0

whatsit?? Old stuff, bench electronics? Radio? I dunno.

by jwest＠classiccmp.org

Quite some time ago I got this stuff from my high school, I believe it came >from the physics department. I mentioned it on the list and some expressed interest in pictures. Just now got around to it. See http://www.ezwind.net/jwest/whatsit Should I pitch this stuff? Anyone know what it is? Jay

20 years, 7 months

6
5
0 0

PC disk drive termination

by ard＠p850ug1.demon.co.uk

Somebody earlier claimed that IBM didn't bother with termination on the disk drives in the PC family. I've just looked in the 'Hardware Maintenance and Service' manual for the PC/AT. This is the only HMS manual I have (I don't normally bother with boardswapper guides), but I would be suprised if the same principles didn't apply to the PC. Anyway, the manual says : 'Diskette Drive o The terminating resistor must be installed on drive A (top unit). o In a system unit with 2 diskette drives, remove the terminating resistor from drive B (bottom unit) for proper operation. o The diskette drive end of the signal cable is attached to diskette drive A. Fixed disk drive o The terminating resistor must be installed on fixed disk drive C (left unit) o In a system unit with 2 fixed disk drives, remove the terminating resistor from fixed disk drive D (right unit) for proper operation ' There are diagramss showing the location of the terminating resistor pack on the drive PCB that I can't sensibly reproduce in ASCII. -tony

20 years, 7 months

11
25
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PC Ephemera

by cclist＠sydex.com

I've been going through some old files and discovered a few of documents that I can't decide if they belong in the the shredder or with someone who gives a darn about them. Does anyone remember the background behind the "Explorer 88 PC" by Netronics R&D circa 1983? Was it a do-it-yourself PC kit? Anyway, I've got the schematics for the thing. I've also got the guide by Purple Computing for their Purple -2 Kit on how to put 256K on your PC motherboard by cutting and changing a few jumpers and then adding a board that attaches over the memory array that holds 64K DRAMS. I'd forgotten that the original PC was limitied to 64K on the mobo. Time erodes one's memory. I've also got the manual for the Teletype 410640 printer logic card assembly. IIRC, this was for the Model 40 line printer. It includes schematics and parts layout. ...and I discovered a complete unopened OEM kit for MP/M II, complete with licensing pricelist and 8" floppies. I'd forgotten all about it. (I may hang on to this one for the time being). Funny thing is that I don't remember half the stuff in my files... Cheers, Chuck

20 years, 7 months

13
39
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TX990 diskettes--recycle or useful?

by cclist＠sydex.com

Just ran across a box I thought had nothing but blank 8" diskettes and found instead 7 diskettes, labeled "TX990/TXDS Release 2.0"; diskettes 1-5, with what appears to be dupes of diskette 2-4. All are stamped "Property of Texas Instruments Incorporated" "(C) 1977, Texas Instruments Incorporated" Are these worth anything or can they be tossed into the "reuse" pile? I haven't tried reading them yet. Cheers, Chuck

20 years, 7 months

1
0
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Big dollars paid for Altair 8800 on Ebay

by GFisher＠tristonecapital.com

Take a look at item #8707485844 http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=8707485844&rd=1&sspagenam… which ended on Thursday. It went for USD $7,877.11 for a supposedly serial number 3 unit, run up by bidders from Switzerland, the US and finally the UK. It had been heavily modified internally, with even a hard disk inside. My question to all is that was the unit more valuable (because of the low serial number) than a later unit that had all of the original MITS cards, motherboard and powersupply? My experience with car collectors (Corvettes), is that a unit in stock factory condition is more valuable than one that has been heavily modified. I suppose the buyer is going to restore the original MITS cards as it was first available, or is he going to keep it intact as it was sold to him? It would be interesting (to me) to know peoples collecting philosophies about that. Gary Fisher Tristone Capital Inc. This e-mail and any attachments may contain confidential and privileged information. If you are not the intended recipient, please notify the sender immediately by return e-mail, delete this e-mail and destroy any copies. Any dissemination or use of this information by a person other than the intended recipient is unauthorized and may be illegal. Unless otherwise stated, opinions expressed in this e-mail are those of the author and are not endorsed by the author's employer.

20 years, 7 months

14
16
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FS/FT: IBM S/390 parts

by pat＠computer-refuge.org

I've got 3 x QX46 512MB memory modules from my old 9672-RC4. Asking $10+shipping apiece. Also have a few (4-5?) 4-port ESCON cards, each has a Siemens 100MHz optical transceiver on it, if you want it for parts. Asking $5/board + shipping. I don't have the aluminum frame they came in any more, they're just the PCB part of the module. No responses by Wednesday and they'll be off to the scrapper. Pat -- Purdue University Research Computing --- http://www.rcac.purdue.edu/ The Computer Refuge --- http://computer-refuge.org

20 years, 7 months

2
1
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test-drb October 2005