test-drb September 2010

test-drb@ccmp.vtda.org

163 participants
222 discussions

by dm561＠torfree.net

> Date: Wed, 8 Sep 2010 11:19:47 -0500 (CDT) > From: Richard Schauer <rws at ripco.com> > Subject: Re: Toshiba 3100/20 > > On Tue, 31 Aug 2010, Martin.Stransky at emerson.com wrote: >> I need to read data from my friend's old Toshiba PC with HDD 26 pin >> connector. I would need to know what are the signals, or what is the >> adapter. > > Even though I know that this guy probably isn't a classiccmp member, just > replying to some message he found from who knows when, I'll echo his > question. I have one of these too, and they seem to have trouble with the > power supplies in them (not the external brick, the internal one). It's > at least partly related to the fishy SMT capacitor problem; I've replaced > all of them in mine. > > I have some data stored on the hard drive that I'd like to get; of course > it's a neat computer too, that I'd like to have running (there's a reason > the data is on the drive!) The connector isn't 26 pins as he says, > though, it's 44 pins. There's a common fine-pitch connector used on > laptop IDE drives that's 44 pins- this isn't it. It's just like the 2x20 > .100 spacing 40-pin IDE connector, but 2x22. The drive is a JVC with a > model number I don't have in front of me, that doesn't seem to be used > much of anywhere else. Googling it comes up with a couple of people > wanting to sell me one, but nothing else. > > Any ideas? It'd be nice if the connector was just IDE with power tacked > on one end. > > Thanks, > Richard Schauer > KF9VP -------------------- Sorry, can't help but that's interesting... I'd always thought that the 3100/20 used that 26-pin interface, but maybe there's more than one version; I've got a 3100/40 which uses a normal IDE interface. On the other hand, I have a 3200 which does use the 26-pin version while someone on another forum says that his has a normal ST-506 ST-125. And now you come along with a 44-pin connector... Is there a separate power connector? I had heard that the 3100/20 had a non-standard implementation of the ST-506 (MFM) interface; perhaps that's the 44-pin version, and the 26-pin version is an early IDE interface. They are neat computers, but assuming it's still working I'd get that data off ASAP, using the serial port or diskettes... Anybody else out there that can shed some light? mike

13 years, 8 months

Yet another IEEE archive article request

by evan＠snarc.net

Research request: can someone with IEEE Xplore access please send me this article: http://tinyurl.com/254do4q Thanks. - Evan* *

13 years, 8 months

HP-85 keycaps

by derschjo＠mail.msu.edu

Hi all -- I've acquired an HP 85B computer in good working condition except for two missing keycaps. Anyone happen to have spares? I need a "k8/k4" key and a "comma" (numeric keypad) key. Thanks! Josh

13 years, 8 months

Microwriter MW4 help

by john_a_s2004＠hotmail.com

>> I recently obtained a Microwriter with an LCD display. >> >> Else it may be faulty >> I found Tony's post from 2009 asking for a 'good' EPROM image maybe >> mine is failing in a similar way. Tony wrote: > FWIW, I am still stuck... I am pretty sure the Firmware EPROM in mine is > corrupted, some 'chords' do not produce the characters I would expect My one can generate all the letters, numbers and punctuation marks so fingers crossed the EPROM is OK. > IIRC, the EPROM is a 25C64 (which is slightly different to the more common > 27C64). If you have a programmer capable of reading out that device, it > would be interesting to compare the ROM in mine with it. OK, I'll try and read the EPROM. This might take me some time, but I am keen to do it as there is very little technical stuff about the MW4 on line. I might try and disassemble the code too (but I don't think IDA has a 1802 option!) Regards, John

13 years, 8 months

Subject: Looking for GRiDlite, GRiDlite Plus or GRiDlite 1040 ($$$)

by roosmcd＠dds.nl

> Date: Wed, 8 Sep 2010 14:24:49 -0700 (PDT) > From: Sellam Ismail <sellam at vintagetech.com> > Subject: Looking for GRiDlite, GRiDlite Plus or GRiDlite 1040 ($$$) > Hello All! > > Hope everyone is well. > > I need a GRiDlite, GRiDlite Plus or GRiDlite 1040 for a short term > project. I'm willing to buy or rent it. > > Has to be soon, or the opportunity shall pass. > > Inquire if you can assist. > > Thanks! > > I can offer a Philips PC200 (which would be a rebadged GRiD XT) with a broken power supply (but it also has a DC input). Or maybe somebody else would be interested? Any offers welcome,otherwise I'm afraid it is going to be thrashed sometime soon. It's the machine in the 21st image in: http://www.computermuseumgroningen.nl/philips/philips.html (not my machine btw) with regards, Michiel (located in the Netherlands)

13 years, 8 months

Encoding cassette data...

by geneb＠deltasoft.com

This is a fantastic read: http://dabeaz.blogspot.com/2010/08/using-python-to-encode-cassette.html The guy wrote a Python script to encode KCS audio in order to load software into his Super Board II via his Mac. g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.simpits.org/geneb - The Me-109F/X Project ScarletDME - The red hot Data Management Environment A Multi-Value database for the masses, not the classes. http://www.scarletdme.org - Get it _today_!

13 years, 8 months

8088 CPU tester module

by binarydinosaurs＠gmail.com

Folks, In digging out some old Apple stuff last night I came across a module for a CPU testing machine I had years ago. It was a black IBM compatible PC called either an AMS3000, MSA3000 or MST3000 (I can't help but think of MST3K on that one though :)) with an EISA interface that allowed a connection to one of many CPU module testers, at the time I had an 8008, 68000, z80 etc - host adapters that you connected over an in-place CPU module. This module is for an 8088, is in its box and is heavy. Does anyone remember it or even want it before I recycle? Cheers -- adrian/witchy Owner of Binary Dinosaurs, the UK's biggest home?computer collection? www.binarydinosaurs.co.uk

13 years, 8 months

DEC/Compaq XP1000 can't see keyboard - ideas?

by classiccmp＠crash.com

I've recently received a Digital/Compaq XP1000 - 667MHz 21264 Alpha CPU, a mid-tower system nigh-identical to the Professional Workstation series (PWS 433/500/600). It came with 1G RAM and a PowerStorm 4D/20 PCI video card. I can access the SRM console through one of the serial ports, SRM version is V5.9-1. Unfortunately the machine refuses to recognize any keyboard I've tried. I've used the DEC LK411 off a working VT510, a spare LK411, an SGI PS/2 keyboard, and an IBM PS/2 Trackpoint keyboard. In all cases I get a message during POST that reads "No keyboard plugged in" before the "E8 ... E4" countdown. I've double-checked that I didn't have the mouse/keyboard ports backwards at various points. :) Just now I powered it up with the Trackpoint and I see all three status LEDs on the keyboard flash, then nothing. I get the "no keyboard" message and SRM prompt on the serial port. No output from the PowerStorm, and if I hit the CapsLock on the keyboard the LED does not light. A SHOW DEV on the console gives an appropriate-looking entry for a "vga0" device. A SHOW CONFIG gives a lot more output, including a "PowerStorm" device in slot 9 of hose 1, bus 2. However I have never gotten any output on the video card. I have not yet tried it in a PC. Any suggestions for what to try next? I'd like to have the option of running DECwindows... Thanks, /--/Steve.

13 years, 8 months

How to repair Tektronix 4696 inkjet and what to use for the cleaner fluid cartridge?

by rmay635703a＠yahoo.com

Nope I don't have any of the fluid left, but it appears I "may" be able to order a cartridge online though its $51 refurbished and I have the feeling although listed likely would be canceled should I try and order one. ? Also $51 seems quite high, I think new they were in the $10-$20 area. ? Ah well? I will have to figure out how to dissassemble the thing to clean the heads and wells, I was told window cleaner does wonders. ? Cheers Ryan

13 years, 8 months

Looking for GRiDlite, GRiDlite Plus or GRiDlite 1040 ($$$)

by sellam＠vintagetech.com

Hello All! Hope everyone is well. I need a GRiDlite, GRiDlite Plus or GRiDlite 1040 for a short term project. I'm willing to buy or rent it. Has to be soon, or the opportunity shall pass. Inquire if you can assist. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

13 years, 8 months

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test-drb September 2010