test-drb September 2007

test-drb@ccmp.vtda.org

220 participants
406 discussions

ebay: ANSI Electron Tubes, Bases, Capsn and Terminals

by legalize＠xmission.com

Ebay # 320152907541 Here we have ANSI American National Standards, ANSI for electron tubes and related items. Including: 1. C60.1-1964 (UDC 621.385.1; 621.3.032), EIA RS-209-A. Dimensional Characteristics of Electron Tubes, Bases, Caps, and Terminals (including Gauges). 3 sections: 51, 112 and 48 pages. **Cover edges are worn on this one. 2. C60.6-1959 (UDC 621.3.032.2:621.317.335) EIA RS-191-A. Direct Interelectrode Capacitances, 16 pages. 3. C60.8-1963 (UDC 621.3.032.2:621.3.011.4) EIA RS-263. Interelement Capacitance for Electron Tubes. 2 page. 4. C60.9-1964 (UDC 621.385.13.001.3) 62 IRE 7.52. Definitions of Terms for Electron Tubes, 8 pages. 5. C60.4-1950 (UDS 003.62:621.3.032.71) JETEC JO-C3, Designation System for Metal Electron Tub Shells, 2 page. ***NOTE: These are currently in a ANSI binder - please advise if binder is NOT desired so we can adjust the shipping rate. Previously a library copy. Lightly read, virtually no page creasing, no rips or tears found. Jacket/cover has light edge and corner wear. -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

17 years, 4 months

building a machine room

by cheri-post＠web.de

Hello Richard, in order to get another impression of what it means to build a machine room, have a look at Bernd Ulmann's website: www.vaxman.de In the menum, click on museum, then on machine room (it's a link within the text). He writes alot about all the problems he got confrontated with while building and renovating his machine room. It's very interesting! Regards, Pierre > > OK, I know some of you have done this -- Henk with his brick PDP machine > room in the Netherlands, at least! > > Looking more closely into the power and other environmental > requirements for my Onyx2 and other rack SGI systems, it seems prudent > that I shouldn't attempt having these systems up and running without > the appropriate environment. > > Fortunately the electrical isn't too bad -- 220 VAC, single phase. > Its more the cooling and ducting part that has me wondering. At the > moment, I'm not concerned with creating a building. I'm wondering > more about what would it take to build a "machine room" inside an > existing structure. Naturally, we're talking about building this on a > "collector" budget and not what you would do if money were no object. > > Assume you have something like a warehouse with a concrete floor but > no warehouse-wide cooling situation. Is it feasible to build a small > climate controlled room inside this larger structure? Where do you > get the necessary A/C equipment for such a thing? > -- > "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download > <http://www.xmission.com/~legalize/book/download/index.html> > > Legalize Adulthood! <http://blogs.xmission.com/legalize/> > _______________________________________________________________________ Jetzt neu! Sch?tzen Sie Ihren PC mit McAfee und WEB.DE. 3 Monate kostenlos testen. http://www.pc-sicherheit.web.de/startseite/?mc=022220

17 years, 4 months

trs 80 model 16B

by paul＠pgdeng.co.uk

Is there anyone who can help me? I am needing an 8" boot disc of suitable software, to breathe life into my 16B monster! I can't believe there is no 8" disk's available? I have made a suitable cable to connect a 5,25 drive, so any suitable software will do, please contact me if you think you can help. regards paul I use BullGuard Spamfilter to keep my inbox clean. It is completely free: www.bullguard.com/freespamfilter

17 years, 4 months

British Computers.

by RodSmallwood＠mail.ediconsulting.co.uk

I think the Blakes 7 computer may have been called ZEN. ORAC on Blakes 7 was a device that could predict the future. Rod -----Original Message----- From: cctech-bounces at classiccmp.org [mailto:cctech-bounces at classiccmp.org] On Behalf Of Fred Cisin Sent: 03 September 2007 05:35 To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: British Computers. > I'm 99% sure that Tangering = Oric. ISTR that they changed their name > from Tangerine to Oric when they launched the Oric 1? . . . but does it have the true personality of the Oric computer on Blake's 7?

17 years, 4 months

Reviving DEC RX01 power supply

by oldcpu2＠rogerwilco.org

I've got a H771-A (120V/60Hz) that's acting up on me. Part of an old PDP-11/03 that I'm trying to get back on its feet. As I've done with 4 or 5 other RX units in the past couple of years, after cleaning it up and reforming the capacitors, but before plugging everything together, I wanted to check output voltages. I'm sure glad I did because this guy is not normal! Where you usually see 24V, I'm getting 42V! And the so- called 'Raw DC' which is normally around 10V is 17V. At least the +/-5V lines are more or less correct at +5.1V and -5.3V, respectively. I need some help here. I've checked the printset on this, and frankly, this analog stuff is so much voodoo (to me). I get lost pretty quickly unless the circuit is simple, say, like a flashlight. Anyway, I've checked a number of voltages and voltage drops at various places[1] that I thought might lead me to something, but I can't say that I'm any wiser now. I'm sure this is fixable, even by me, IF I can locate out the faulty component(s). Hints or guidance on what else I should look at would surely be appreciated! - Jared [1] Here are voltage readings taken at a few locations: - Transformer outputs (these look normal): blue: 27.8VAC purple: 11.2VAC - PCB connector P1: 2 (blu): -5.3v 3 (blk): 0v 4 (gry/red): 5.1v 5 (blk): 0v 6 (red): 42v (should be 24v!!!) - PCB connector P2: 1 (org): 17v (should be 9.5v!!!) 3 (blk): 0v 4 (gry/red): 5.1v 5 (blk): 0v - Voltage drop across: D5 15v Zener: 17v D11 6.8v Zener: 7v R12: 25v R13: 12v

17 years, 4 months

eprom "dumping"

by chrism3667＠yahoo.com

as most of us know, the IBM PC and PC/AT (I think) have extra rom sockets. If you want to obtain a dump of an eprom, could you simply plug them into these spare sockets and use Debug or whatever to capture an image? Seems straitforward enough, but I figured it wouldn't hurt to ask... ____________________________________________________________________________________ Luggage? GPS? Comic books? Check out fitting gifts for grads at Yahoo! Search http://search.yahoo.com/search?fr=oni_on_mail&p=graduation+gifts&cs=bz

17 years, 4 months

Calling Kurt Klemm

by grant＠stockly.com

Sorry about the personal message here but I've exhausted the means to contact him. If you get this please try to send me a message on my website: http://www.stockly.com/forums/index.php I can't seem to send you e-mail! Grant

17 years, 4 months

holy crap, another Cat on ePay!

by dkelvey＠hotmail.com

> From: chrism3667 at yahoo.com> > AND NO PAYMENTS NECESSARY UNTIL 2008! WOOHOO!> > http://cgi.ebay.com/VINTAGE-CANON-CAT-WORK-PROCESSOR-Jef-Raskin_W0QQitemZ11…> > I might be selling mine soon. Need a house. Tired of> sleeping in the car LOL LOL LOL.> Hi You might want to hold off for a while. I suspect that the market is reaching saturation. There just aren't that many that are expecting to pay $600+ for a Cat. For those that are interested in hacking the Cat or writing another printer driver as I've done, look at the Cat info on the DigiBarn web page. I've been doing other hacking since then for anyone that is interested. I've found the video RAM and I'm thinking of creating some graphics functions. Right now I just have a simple XOR to each bit but I realize that a line drawing routine would be good as well. If someone on this group wants to talk offline about the Cat, let me know. It is a remarkable computer. Dwight _________________________________________________________________ See what you?re getting into?before you go there http://newlivehotmail.com/?ocid=TXT_TAGHM_migration_HM_viral_preview_0507

17 years, 4 months

big load of crap in St.Louis, MO

by chrism3667＠yahoo.com

http://cgi.ebay.com/8-Free-Vintage-Computers-IBM-Sun-NEC-in-St-Louis_W0QQit… too bad the NEC 9801 is missing the k/b :( ____________________________________________________________________________________ Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

17 years, 4 months

Belgian computers?

by ethan.dicks＠gmail.com

I have the opportunity to travel to Gent, Belgium, in about a month, and with all the recent talk of British computers, I wanted to ask the list if anyone knows if there were ever any Belgian-made computers. I'm mostly interested in 1980s micros, but any sort of machines would be germane. -ethan

17 years, 4 months

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test-drb September 2007