test-drb August 2011

test-drb@ccmp.vtda.org

143 participants
153 discussions

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

13 years, 2 months

Machine code riddle

by cclist＠sydex.com

I'm working with an old data sample (ca. 1979) to a piece of equipment that I do not have access to. I've identified some bits and pieces of code and am trying to identify the processor. Here's what I know. The processor is big-endian and appears to be byte-addressable. The opcode for CALL appears to be D3 xx xx, where xxxx is the address of the destination. 2C appears to be load immediate instruction and is also 3 bytes long. The code doesn't look tight enough to be a p-code implementation of any sort. Does this ring any bells to anyone? --Chuck

13 years, 2 months

New rsync mirroring at trailing-edge.com

by shoppa＠trailing-edge.com

Last weekend I promised to enable rsync access to the archives (and mirrors) here. I've set up the following rsync (no password required) archive sets here: ftp : Public rsync access to ftp://ftp.trailing-edge.com/ area pdp-10-tape-images : public rsync access to the PDP-10 tape images, i.e. http://pdp-10.trailing-edge.com/ bitsavers-mirror : public rsync access to my local bitsavers mirror, i.e. http://bitsavers.trailing-edge.com/ Suggested rsync commands would be, for example: mkdir ./pdp-10-tape-images rsync -rlptu -v www.trailing-edge.com::pdp-10-tape-images ./pdp-10-tape-images mkdir ./ftp.trailing-edge.com rsync -rlptu -v www.trailing-edge.com::ftp ./ftp.trailing-edge.com mkdir ./bitsavers-mirror rsync -rlptu -v www.trailing-edge.com::bitsavers-mirror ./bitsavers-mirror Realistically the pdp-10-tape-images and ftp sites don't change often, butm my bitsavers mirror is kept up to date. I like to think my outgoing bandwidth (20 Mbit) is pretty much infinite, this looks like a good way to find out :-) ftp racks up to 3.5 Gbytes. PDP-10 tapes racks up to 2.2 Gbytes. And bitsavers-mirror racks up to 126 Gbytes. Tim.

13 years, 3 months

Anyone interested in an AT&T 6300?

by cclist＠sydex.com

Anyone interested in an AT&T 6300? Got one with monitor, keyboard and printer. Did have a full set of manuals, but someone bought those. If no response by tomorrow, I'll consider it e-junk. --Chuck

13 years, 3 months

What's 6 Feet Tall and Weighs 1,500 Pounds? A Minicomputer

by jblaser＠sisna.com

From today's (August 24) Wall Street Journal front page: http://online.wsj.com/article/SB10001424053111903596904576516552161014410.h… Written as a bit of a puff piece, but interesting nonetheless, given the national reach of the WSJ. It might (though I doubt it) spur a few Wall Street types to take a keener interest in retro gear, making things dearer and harder for us homie hobbyists to acquire. :) Kudo's to Ian (King) and Rich (Alderson), et al. -- Jared

13 years, 3 months

Wall Street Journal has an article about Paul Allen's Computer Museum

by christian_liendo＠yahoo.com

Just interesting that that WSJ picked this up http://online.wsj.com/article/SB10001424053111903596904576516552161014410.h…

13 years, 3 months

eBay... Yikes! (PDP-1 Handbook)

by healyzh＠aracnet.com

13 years, 3 months

RQDX3 DEVOFFLINE Problems

by robert.jarratt＠ntlworld.com

I have a MicroVAX II in a BA123 enclosure and I am experiencing some problems getting it to see the RD53. Whenever I try to boot I just get the error DEVOFFLINE and the Ready light on the front panel goes out when this happens (you can't get it to switch on again if you press the button a few times). The RD53 is known to work as it will boot in a MicroVAX 2000. The RQDX3 also works as I have tested it in a working MicroVAX II (BA23). I have tested the cable from the RQDX3 to the M9058 distribution board. I have also tested the cable from the M9058 to the front panel. I have tested the front panel button and it seems to be right (it shorts two terminals when depressed, leaving the Open Circuit when it is out). I have swapped the cables from the distribution board to the drive with another set. I am starting to suspect that the M9058 is at fault, I don't have a spare to eliminate this component, but I was wondering if anyone else has seen this problem and has any suggestions. Thanks Rob

13 years, 3 months

DEC GIGI (again)

by jws＠jwsss.com

I dug my GIGI out of the pile this weekend, during a visit to my stuff in Kansas City. I notice it is running out 4 bnc's and recall that the Dec monitor I had at one time had that sort of feed. Is it as easy as 4 of 5 wires (sync on green maybe) to get it going? I also have an aging cranky 24" Viewsonic which has BNC inputs, but when it goes poof, I'd love to have this as someething I can still run with an LED display. I know there is a GIGI discussion in the archive somewhere and will look for it to see if it had a monitor discussion associated with it. thanks Jim

13 years, 3 months

Looking for SunOS 4.1.* (sun3) cd image

by derschjo＠mail.msu.edu

I'm in the process of getting a mongrel Sun 3/400 machine running as a host for my Symbolics UX400. The UX400 support software requires SunOS 4.1 which I used to have on CD, but I now appear to have misplaced. (I have a copy of 4.1.4, but it only supports Sun4 machines ) Anyone have a copy they could make an image of? (and yes, I've confirmed that this machine will boot from CD.) Thanks! Josh

13 years, 3 months

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test-drb August 2011