test-drb September 2016

test-drb@ccmp.vtda.org

162 participants
227 discussions

Apple IIgs and (separately) Big Apple collection, Baltimore MD area (USA)

by brad＠facefault.org

Both these locations are NW of Baltimore, Maryland. I have no relationship with either seller but am willing to do in-person recon for people on this list if required. Large lot of Apple stuff, $1200 Mostly Macs but a good amount of Apple II stuff (including a //c with all original boxes and paperwork) Westminster, MD http://baltimore.craigslist.org/sys/5763302040.html Apple IIGS, $100 3.5 and 5.25 floppy drives, monitor, keyboard, mouse New Windsor, MD http://baltimore.craigslist.org/sys/5746461980.html ? Brad Ackerman N1MNB PGP: 0x9F49A373 brad at facefault.org <*> http://bsa.smugmug.com/

7 years, 8 months

DCS 2400 or System 2400?

by bobalan＠sbcglobal.net

I found a simple manual for a "System 2400" 24 bit computer. Can be downloaded here: http://dvq.com/docs/dcs2400o.pdf There's a reference to "dcs 2400" and on the title page, "Digital Computer" from the rep. Gene Baumgardner. Does anyone have more info on this computer, or the company who made it? It looks like an interesting system. -Bob -- Vintage computers and electronics www.dvq.com www.tekmuseum.com www.decmuseum.org

7 years, 8 months

Power Supply capacitor physical size

by jnc＠mercury.lcs.mit.edu

> From: Jon Elson >> needs new caps since one of the 1000uF 16V ones has bulged badly. >> ... >> If I go up to 25V I can get 16mm diameter which is the size of the old >> ones. > Capacitors that are subjected to high AC ripple current may need the > large surface area for cooling. Interesting point - but in his particular case, he should be OK replacing the old 16V cap with a similar-sized modern 25V cap? Noel

7 years, 8 months

DEC Indicator Panels pag

by michael.99.thompson＠gmail.com

> > On Thu, Aug 18, 2016 at 8:56 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu> > wrote: > > So, I've been working for a while on a page about DEC indicator panels > (the > > standardized 36x4 light arrays which go into a 19" rack, with an inlay to > > customize it to a particular device). It's online now, here: > > > > http://ana-3.lcs.mit.edu/~jnc/tech/DECIndicatorPanels.html > > > > Does anyone happen to have a good image of an RK08 panel, or an RF11, > which I > > can use here? > > > > Even better, does anyone know of, or have images of, panels which are not > > listed here? (I am not including the unknown 'RK' panel in the RSTS > document, > > which will be the subject of a separate message.) > > > > Thanks! > > > > Noel > How about PDP-9 panels? TC02, 18-bit DECtape controller <https://4310b1a9-a-11c96037-s-sites.googlegroups.com/a/ricomputermuseum.org…> TC59, 18-bit Magnetic Tape controller <https://4310b1a9-a-11c96037-s-sites.googlegroups.com/a/ricomputermuseum.org…> -- Michael Thompson

7 years, 8 months

Power Supply capacitor physical size

by witchy＠binarydinosaurs.co.uk

Hi folks, Looking at the PSU of my Lisa's ProFile after it died gracefully not so long back and it obviously needs new caps since one of the 1000uF 16V ones has bulged badly. While I'm replacing that one I'll do the 47uF 250V ones too. And the mains filters but I've got a stock of spares for them already. Apologies for what's probably a dumb question, but when it comes to cap replacement I know I can go up a notch if the required capacitance or voltage isn't available so 25V and 400V is ok, but what about physical size? I can get the correct capacitance/voltage but they're physically much smaller than the ones I'm replacing, like 10mm instead of 16mm diameter. If I go up to 25V I can get 16mm diameter which is the size of the old ones. Am I worrying for nothing? Cheers, from a room not filled with RIFA smoke for once :) -- Adrian/Witchy Binary Dinosaurs creator/curator Www.binarydinosaurs.co.uk - the UK's biggest private home computer collection?

7 years, 8 months

Big Apple/Atari/Commodore/TRS-80 sale today in Orange, CA

by brendan＠bslabs.net

https://orangecounty.craigslist.org/gms/5763569283.html I went to this sale last week and picked up a DECmate and some Mac stuff, the amount of stuff he had was remarkable. Sale is today only. Some of the cool stuff I saw last week: - 2 x ADM-3 terminals - Quadra 950, WGS 95, WGS 9150 - 2 x Macintosh Portrait Display - lots of classic Macs, some PPC AIOs (52xx), G3/G4 iMacs - Apple Studio Display (the original blue-colored LCD) - Centris 650, beige G3s - so much other Atari/Commodore/TRS-80 stuff Brendan

7 years, 8 months

DEC Indicator Panels page

by jnc＠mercury.lcs.mit.edu

So, I've been working for a while on a page about DEC indicator panels (the standardized 36x4 light arrays which go into a 19" rack, with an inlay to customize it to a particular device). It's online now, here: http://ana-3.lcs.mit.edu/~jnc/tech/DECIndicatorPanels.html Does anyone happen to have a good image of an RK08 panel, or an RF11, which I can use here? Even better, does anyone know of, or have images of, panels which are not listed here? (I am not including the unknown 'RK' panel in the RSTS document, which will be the subject of a separate message.) Thanks! Noel

7 years, 8 months

VCF videos ahoy

by cctalk＠snarc.net

Tonight we posted a bunch of old (1997-2007) VCF West videos. Please see http://vcfed.org/wp/2016/09/03/many-more-videos-are-posted/. Many more will be posted soon.

7 years, 8 months

Docs for DEC MPS Intel 8008 Development System scanned

by COURYHOUSE＠aol.com

Jack, how many of these are there out there? ... Nice front panel on it too! Ed# _www.smecc.org_ (http://www.smecc.org) In a message dated 8/26/2016 9:41:04 A.M. US Mountain Standard Time, j at ckrubin.us writes: The MPS (MicroProcessor Series) was an attempt by DEC to introduce an Intel 8008-based system as a cost-effective replacement for minicomputers used in process control. The system has its own 14-bit blinkenlights front panel for accessing the 8008. Docs here: https://www.dropbox.com/sh/bezyixp76x2q3i4/AAAdGzzycbTIys1Ftde2BpR5a?dl=0 I'll leave the docs up for a week or so. Jack

7 years, 8 months

Atari / GEM docs Free to good home (York, UK)

by pete＠dunnington.plus.com

These are primarily for Atari ST, mostly photocopies in A4 ring binders, to go as one lot: * ISV Development System documentation for Atari 520ST includes BIOS listing and more. ring-bound The following items are probably provided as part of this... * Listing of GEM "hello" program (GEM sample desktop accessory) Module: HELLO, by Tom Holander, Digital Research Feb 1986 ring-bound photocopy * Atari ST BASIC Source Book, 1985 ring-bound, printed original * Atari Logo Source Book 1985, small spiral-wire-bound published copy * GEM PRogrammer's Guide - Volume 1: VDI GEM PRogrammer's Guide - Volume 2: AES 1985, Digital Research, ring-bound photocopy * GEM DOS 1.0 Spec Version 13 May 16 1985 Digital Research "DR Confidential: Internal Use Only. Not to be copied or given to customers." ring-bound photocopy * "The Long-Awaited 'Line-A' Document" describes "quick-and-dirty" graphics access using 68000 Line A exception. Ring-bound with GEM DOS 1.0 Spec * ST Series BIOS Rev.A 2/13/85 (Atari 130 ST and 520 ST) "Atari Corporation Confidential" Ring-bound with GEM DOS 1.0 Spec I need to move these before Saturday 17th September (2 weeks from now). If they're not claimed by then, I'll donate them to The Computer Sheds (http://www.computermuseum.org.uk). Because of the weight, it would be expensive to ship these things, though if anyone is really keen I'll consider it. Collection from York would be greatly preferred (tea and biscuits supplied) - or I can probably take them to the DEC Legacy Event in Windermere for collection on the weekend of 15/16th October (pay for your own tea and biscuits). -- Pete Pete Turnbull

7 years, 8 months

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test-drb September 2016