test-drb May 2009

test-drb@ccmp.vtda.org

204 participants
322 discussions

by roger.holmes＠microspot.co.uk

Does anyone here have a any 40 pin Jones type plugs in their junk boxes they would be willing to sell? I have only just found out the name of these things, I've been looking for a long time but not known how to describe them. I now have a regular search on eBay but so far there have only been small ones. Roger. P.S. they fit the sockets on my IBM 836 (like an 026 keypunch but with I/O and plug programmable)

15 years, 1 month

IMSAI-8080 listed on e-bay...

by imsaicollector＠yahoo.com

http://cgi.ebay.com/Fully-Functional-IMSAI-8080-boots-CP-M-in-Great-Cond_W0…

15 years, 1 month

BA123 Replacement Casters - Suitable substitute found

by tiggerlasv＠aim.com

The BA123 casters have a rubber lining on either side of the caster; I had the same deterioration on my BA123's. . . except I didn't find out until I had rolled one over a section of carpet in the house. (That was fun to clean up. . . . not !) Presumably, the rubber is for vibration deadening. Since I didn't have a convenient source for them at the time, I opted to make them less messy. I just took a small flat-blade screwdriver, and cored the rubber out from both sides of each caster. Since it was already "leaking" out >from all of the casters, I didn't have any "moral" issues with this. Once the rubber is out, the casters are just plain ol' casters, and they roll just fine. More recently, additional research has revealed: The casters were made by Shepherd casters (www.shepherdcasters.com). I found a close replacement part - Shepherd PSF50101BK has the same mounting pattern, and diameter. Although it is a slightly different style, it should make an adequate replacement. A quick search turned up this: http://www.apollocaster.com/store/index.php?main_page=product_info&cPath=71… As info. . . T

15 years, 1 month

BA123 Replacement Casters - Suitable substitute found

by tiggerlasv＠aim.com

As a follow-up, if you're a perfectionist, and want the shroud over the top of the wheels, then Shepherd PTW50101BK will suffice. To my knowlege, it does not have the rubber dampers. These also appear to be available here: http://www.apollocaster.com/store/index.php?main_page=product_info&cPath=71…

15 years, 1 month

DEC OSF/1 - Digital Unix - Tru64 Release History

by john_finigan＠yahoo.com

I was annoyed that there seemed to be no comprehensive DEC OSF/1 release history info on the web (contrast the Wikipedia pages on Solaris or HP-UX), so I decided to take a shot at it, adding the table to: http://en.wikipedia.org/wiki/Tru64 The 4.0 and above stuff I was able to date by the release notes, but before that I had to estimate based on old usenet posts, etc. Seeing as what gets posted to Wikipedia automatically becomes fact, I wasn't totally thrilled about doing that, but it's a start. The bummer is, if you look at: http://web.archive.org/web/19990429061828/www.unix.digital.com /faqs/publications/pub_page/doc_list.html You can see that there used to be release notes up, but the archive must not save postscript, and they don't seem to be around the web at all. If anybody has the notes, or just figures he can do better, please edit the wiki page. Some info on important 'letter' point releases would be great too. John Finigan

15 years, 1 month

BA123 Replacement Casters?

by healyzh＠aracnet.com

Has anyone replaced the casters on one of their BA123 enclosures? If so any advice? My spare chassis has had dead casters for years. I discovered yesterday as we started moving out of storage that my beloved PDP-11/73's chassis has dead casters. :-( I'm not worried about maintaining a "stock" unit, I want functionality. Zane -- | Zane H. Healy | UNIX Systems Administrator | | healyzh at aracnet.com (primary) | OpenVMS Enthusiast | | MONK::HEALYZH (DECnet) | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | PDP-10 Emulation and Zane's Computer Museum. | | http://www.aracnet.com/~healyzh/ |

15 years, 1 month

S-100 prototyping board project

by lynchaj＠yahoo.com

> -----Original Message----- > From: Andrew Lynch [mailto:lynchaj at yahoo.com] > Sent: Sunday, May 10, 2009 11:10 PM > To: 'cctalk at classiccmp.org' > Subject: S-100 prototyping board project > > Hi! As a compliment to the N8VEM S-100 backplane project, I am designing > an S-100 card edge connector in KiCAD. As a demonstration I am including > it in an S-100 prototyping board. > [snip] > > http://n8vem-sbc.pbworks.com/browse/#view=ViewFolder&param=S100 > > Thanks and have a nice day! > > Andrew Lynch [AJL>] Hi Just a quick update on the N8VEM S-100 project all of the N8VEM S-100 backplanes prototype PCBs are either shipped or committed. Test results are trickling in and so far are fairly positive. Also, I made a small order of N8VEM S-100 prototyping boards. Those should arrive in about three weeks. Thanks to all who've helped out so far. I much appreciate your help and hopefully this will make available some useful PCBs to the S-100 home brew/vintage/classic computer community. Once I am confident the boards are shown working or at least the faults identified I will post the complete set of information on the N8VEM wiki so that people can design their own using the KiCAD EDA. The key pieces of information are the S-100 male and female card edge connector parts library and the empty board template. Thanks and have a nice day! Andrew Lynch

15 years, 1 month

Nostalgic technologies article

by bqt＠softjar.se

Cameron Kaiser <spectre at floodgap.com> wrote: >>>> > > > Hayes modems >>> > > >>> > > Just about all modems are Hayes compatible (and I think you can still buy >>> > > dial-up modems...) >> > >> > AT commands are alive and well and in your mobile phone - how else do >> > you talk to the radio stack? > > You're not pulling my leg, are you? That's actually pretty cool. Is it > the same kind of command set, ATDT and all? Yes. Johnny -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol

15 years, 1 month

Nostalgic technologies article

by mtapley＠swri.edu

Hello all, FYI&D, an article on MSN tech & gadgets describing "25 Computer products that refused to die". http://tech.msn.com/howto/articlepcw.aspx?cp-documentid=19017036&page=1 The list is: Dot-matrix printers Hayes modems Sony Minidiscs Monochrome Displays Hercules Graphics PDA's (in favor of smarter cellphones) Packard-Bell Amiga Floppy Disks Zip disks Z80 CPU's dBase NetScape MS-DOS Lotus 1-2-3 PageMaker After Dark Harvard Graphics Alta Vista Webvan Compuserve Prodigy VCR+ Circuit City Egghead Not endorsing nor editorializing, though it could be fun; just notifying y'all for whatever nostalgic value is there. Apologies if this is a repeat post, I'm a bit behind on all aspects of email. -- - Mark 210-379-4635 ----------------------------------------------------------------------- Large Asteroids headed toward planets inhabited by beings that don't have technology adequate to stop them: Think of it as Evolution in Fast-Forward.

15 years, 1 month

One Div Zero: A Brief, Incomplete, and Mostly Wrong History of Programming Languages

by woyciesjes＠sbcglobal.net

http://james-iry.blogspot.com/2009/05/brief-incomplete-and-mostly-wrong.html -- --- Dave Woyciesjes --- ICQ# 905818 --- AIM - woyciesjes --- CompTIA A+ Certified IT Tech - http://certification.comptia.org/ --- HDI Certified Support Center Analyst - http://www.ThinkHDI.com/ "From there to here, From here to there, Funny things are everywhere." --- Dr. Seuss

15 years, 1 month

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test-drb May 2009