test-drb October 2000

test-drb@ccmp.vtda.org

184 participants
568 discussions

by geoff＠pkworks.com

>DON'T EVER GO INSIDE A RUNNING OR RECENTLY POWERED OFF >MONITOR OR TV WITH A CRT UNLESS YOU KNOW WHAT YOU'RE DOING. Just how recently would recently be? That, frankly, is a matter of dispute. The *correct* answer is to know how to discharge the anode voltage, have the appropriate tools to do so and to measure the result to confirm success, and to perform the procedures properly. (Hint: If you don't know how, find somebody who does.) The service manual from whatever CRT-based device you're messing with should have proper instructions. And if you don't have the service manual, what in heck are you doing in there anyway? Thanks, Tom Applefritter www.applefritter.com

23 years, 9 months

[OT^2] Re: Our fine educational system (was: Login on VMS)

by dhquebbeman＠theestopinalgroup.com

> > I think I managed to hit 100+MPH on a few occasions. > > > > WHEEEEEEE!! > > I thought all Americans drove at no more than the 50? limit ;-) Speed limit on most U.S. Interstate highways is 65mph... urban areas typically mandate a lower speed limit, we have a section of Interstate locally known as Dead Man's Curve that mandates a 35mph speed limit for semi tractor-trailer rigs, and another section called Hospital Curve where the limit is 50mph for both trucks and cars (and I won't even get into describing our local section known as Spaghetti Junction). Montana? and/or North Dakota flirted with no limits outside ruban areas (actually the law specified that speeds must be reasonable and prudent for the conditions or something like that), but they maye have finally done away with that due to lobbying by insurance company interests. -dq

23 years, 9 months

PDP-11 history (was Re: Trash or Treasure?)

by ethan_dicks＠yahoo.com

--- Jim Arnott <jrasite(a)eoni.com> wrote: > BTW, a short intro... > > I'm Jim Arnott. A former system admin for a LAN using: 11/24s, 11/23s and an > 11/44. O/S rt11sj, rt11sj and rsx11m+ respectively. All Decnetted together. > (Coordinate measuring machines talking to the data gatherer.) It's been a > number of years, but I do remember a bit... Also was hooked to the ibm370 > through RJE-HASP. Out of curiosity, how did you do the HASP connection? I didn't know anyone had an RT-11 HASP product. There were several RSX-11 and RSTS solutions, both from DEC and third parties. -ethan ===== Even though my old e-mail address is no longer going to vanish, please note my new public address: erd(a)iname.com The original webpage address is still going away. The permanent home is: http://penguincentral.com/ See http://ohio.voyager.net/ for details. __________________________________________________ Do You Yahoo!? Yahoo! Photos - 35mm Quality Prints, Now Get 15 Free! http://photos.yahoo.com/

23 years, 9 months

Switching RS-423 connections?

by cmcmanis＠mcmanis.com

Hello everyone, I would like to build a "4:1" box that can switch between one of four DEC MMJ consoles. This is so my mini-cluster can have one terminal be the console for four machines. However, I've noticed that sometimes I get a 'break' sent if I simply unplug and plug, so to prevent that I want to make a "hold" circuit such that the VAX will continue to thing a terminal is attached. Any suggestions? --Chuck

23 years, 9 months

RL02 question

by xds_sigma7＠hotmail.com

DC = normal data cartridge, whereas I believe the EF = error free. What do you mean by set? If you mean that its turned red, then I would be less than enthusiastic about using them, and if I bought them on Ebay or something, I'd want my money back. Will J _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com.

23 years, 9 months

Trash or Treasure?

by mcguire＠neurotica.com

Sounds like a control computer for a GenRad automated pc-board testing system. They used various pdp11 machines to run their board testing machines. I'd say it's a pretty nice score. -Dave McGuire On September 22, Joe wrote: > A couple of weeks ago I found a box in a scrap yard with a half height 8" > floppy drive it in. The box was marked "Gen-Rad" and looked like part of a > old piece of test equipment. I picked up the box just for the floppy drive > and brought it home. Today I started to take it apart and found that it was > made by Scientific Micro Systems and has a number of DEC cards in it as > well as a Maxtor XT-1085 hard drive. My question is what is it and weather > it's worth keeping or is it just good for parts? > > Here's the details; It's marked "Gen Rad 2295 Central Station" on the > front. The back is marked "Scientific Micro Systems" "model MDX01170". > It's about 9" w x 11" h x 17" deep. On the back it has eight DB-25m ports > on the back. They're marked "TZ0" through "TZ3", "LP0" and "TT0" through > "TT2". Inside it has a DEC M7957 quad board, a half size board made by > Sigma Information Systems Inc (connected to the TT* and LP0 ports), a half > size "Q RAM 11" board made by Clear Point (memory?), a DEC M 8186 half size > card, and a half size SMS card (1002001-0001/0004220-0001) that is also > connected via a jumper to the last card, a full quad size SMS card > (1001939-0001/0003770-0001). The last card has ribbon cables that connect > to the floppy and hard drive. > > Does anyone know what it is? Is it worth anything? FWIW I haven't tried > to connect a terminal to it yet but it appears to power up and boot. > > Joe

23 years, 9 months

IBM XT 286 (fwd)

by vcf＠siconic.com

If there are any takers, please reply directly to the sender. Reply-To: DGBJ(a)aol.com ---------- Forwarded message ---------- Date: Sat, 30 Sep 2000 23:34:00 EDT From: DGBJ(a)aol.com Subject: IBM XT 286 I have an IBM XT 286 with color monitor, keyboard, two pin printers, manuals and software to donate to anyone who will make good use of it, preferably a museum. Email or call me at 371-7745. I live in San Jose, California. Sellam International Man of Intrigue and Danger ------------------------------------------------------------------------------- Looking for a six in a pile of nines... VCF 4.0 is September 30-October 1 San Jose Convention Center, San Jose, California See http://www.vintage.org for details!

23 years, 9 months

Link Contest Winner

by vcf＠siconic.com

Here are the results of the VCF Link Contest: Hits Website ------- ---------------------------------------- 529 Wireless http://wireless.com 0 Camcorder Kindergarten http://www.chasfoxvideo.com 91 Eric Smith's Retrocomputing Page http://www.brouhaha.com/~eric/retrocomputing/ 25 Stan Sieler http://www.allegro.com/people/sieler/index.html 83 Geek and Guru http://www.geekandguru.com 2 Robots Wanted http://www.robotswanted.com 1 UK Classic Computing http://www.classiccomputing.co.uk 4 the antique computer virtual museum http://members.aol.com/suprdave/classiccmp/museum.htm 44 Computer Museum http://fee.co.uk 2 Tom's Classic Computers http://home.interpath.net/tcopper/index.html 4486 Obsolete Computer Museum http://www.obsoletecomputermuseum.org/ 98 Jim's Computer Garage http://www.computergarage.org 0 pcbiography.com http://www.pcbiography.com 21 The Leonard Home Page http://www.outnumbered.org 13 Computer Collection http://www.mycomputers.org.uk 24 Retrospective of Xerox Alto, Star 8010 and Elixir Desktop http://www.damer.com/pictures/elixir/products/star.html 20 The Degrader http://www.geocities.com/SiliconValley/Sector/4582/degrader.html 0 League Of Kentucky Sportsmen http://www.loks.org 2 arthurton.com http://www.arthurton.com 4 KitStop.Com http://www.kitstop.com 0 JDS Computers Home http://members.tripod.com/Colts_44/jdsc1.htm 100 A2Central.com http://www.a2central.com 0 Obsolete Mania!!! http://obsoletemania.8m.com 0 ICWhen.com http://www.icwhen.com 24 DOS_forever http://members.theglobe.com/frn/dos_forever/links.html 0 http://www2.ucsc.edu/people/maryha/ 0 Computer History Links http://members.aol.com/Historycd/ComputerHistory1.htm 1 Curtiss' Home Page http://www.pointecom.net/~islander 1 The Amsterdam Post http://www.adampost.com 10 The Near Future SurvPC Home http://survpc.virtualave.net/ 13 JD's Drury University Page http://198.209.54.227 1 All I Need to Know About Computers I Learend from my TRS-80 http://www.explainamation.com/words/trash80.htm There is a clear winner :) Congratulations to Tom Carlson. You will soon be $50 richer! Sellam International Man of Intrigue and Danger ------------------------------------------------------------------------------- Looking for a six in a pile of nines... VCF 4.0 is September 30-October 1 San Jose Convention Center, San Jose, California See http://www.vintage.org for details!

23 years, 9 months

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test-drb October 2000