test-drb December 2002

test-drb@ccmp.vtda.org

250 participants
519 discussions

by drido＠optushome.com.au

>perhaps a bit uncommon question, but does anyone in (preferrably middle) >Europe have a 9" crt tube for Mac SE/30? I suppose it's the same as in >SE, the box definitely looks the same. I've broken mine by accident, and >really would like to use this box ;) The CRT from an SE would work. Mono CRTs such as these are usually interchangable (at least the ones that I have changed), but if you use one >from a different (ie, not a Mac SE or SE/30) you'll probable have to change to yoke which may be more than you want a do (though on a mono display alignment is pretty easy). My first Mac was a Plus that has been dropped, I replaced the CRT with an Amber one removed from a luggable XT. It was the same size, mounting and pinout. The yoke from the original CRT fit okay.

21 years, 7 months

OT: Detachable Penis (was Re: 1977 Apple II for sale.)

by cb＠mythtech.net

>> > He had to talk the guy down in price but he got it and went home >> > and put it back on, relieved he didn't have to sit down to pee anymore. >> >> "... for a dollar ninety-nine!" > >You must be thinking of a different song. He talked him down from $22 to >$17. Seymore Crelbourn bought Audry 2 "for a dollar ninety-nine" -chris <http://www.mythtech.net>

21 years, 7 months

Computer Audio Tape Formats

by dwightk.elvey＠amd.com

>From: pete(a)dunnington.u-net.com > >On Dec 17, 20:11, John Lawson wrote: >> Sheeesh!!! No excuse for posting before checking references.... >> >> Another Senior Moment > >We're all having them tonight, it seems :-) > While I can get a senior discount at restaurants, that doesn't mean I'm having a senior moment. Does it? Dwight

21 years, 7 months

Computers with ports coming out the front?

by cb＠mythtech.net

> I submit for your consideration, the "Gyro Mouse"... having gyros on >the two axes - the object being you hold it in mid-air and wave it around >to move the cursor, etc. (It was wired, BTW) > > I saw one years ago, had to have it, and soon found out it's obvious >design flaw... you try keeping your arm and hand and mouse off the desk >for hours at a time.... I don't think the Gyro Mouse was ever meant as a normal mouse replacement. I think it was meant for doing presentations, where you would most likely not have a surface to run the mouse over as you would be standing in the front of some group, and could do nothing more than wave your hand. In that context, the design was fantastic... but yeah, I think it would have been a PITA to use in place of a normal mouse. >PS: People who use mice have clean desks, and Y'll know what *that* is a >sign of. Gimme a nice trackball, any day.... I use a mouse (two of them, one for my Mac, one for my PC), also have two keyboards... but I hardly have a clean desk... I have just barely enough room to move the mice on a pad (at current, I have my soda cup sitting on the corner of the pad as it was the only clear spot on my desk). I just turn the mouse tracking speed WAY up, so that I can cover the screen with just a slight flick of the wrist. -chris <http://www.mythtech.net>

21 years, 7 months

Computers with ports coming out the front?

by Robert_Feldman＠jdedwards.com

I've always thought that the proper place for ports on a _desk-top_ system is on the side: easy to get to the ports and you don't have the cable connectors sticking out the back, where they add to the depth, which can be a problem on a narrow countertop. When I built my first IBM-PC clone (in a nice cherry-stained wooden case), I turned the motherboard 90 degrees CW so the ports were on the right. I also made brackets from cookie-sheet aluminum to mount the disk drives and power supply over the (now) front of the motherboard, resulting in a nice, shallow case. Bob -----Original Message----- From: Sellam Ismail [mailto:foo@siconic.com] Sent: Tuesday, December 17, 2002 5:45 AM To: cctalk(a)classiccmp.org Subject: Re: Computers with ports coming out the front? On Tue, 17 Dec 2002, Fred Cisin (XenoSoft) wrote: > On a machine that doesn't sustain much floppy activity, > (or uses external drives), if you face the disk drives towards the back, > then the ports on your PC are out front where God intended. Indeed, a friend of mine who owns a business that makes rackmount systems made a special model for a customer where they pretty much did this. They put the mounting flange on the back of the box, making it the front, and added cut-outs for the disk drives. Sellam Ismail Vintage Computer Festival ---------------------------------------------------------------------------- -- International Man of Intrigue and Danger http://www.vintage.org * Old computing resources for business and academia at www.VintageTech.com *

21 years, 7 months

Computers with ports coming out the front?

by Robert_Feldman＠jdedwards.com

There was an article on scratch-building models in a recent Model Railroad Craftsman magazine that said that, no matter how big your work bench, sooner or later, you'll end up with about two square feet of usable, clear workspace. BTW, I use an arcade model track ball that was a prototype for a museum exhibit installation 10 years ago (and thus on topic). I've only needed to oil the bearings once, about 6 months ago. Never had to clean it. Try that with a mouse! Bob -----Original Message----- From: chris [mailto:cb@mythtech.net] Sent: Wednesday, December 18, 2002 1:39 PM To: Classic Computer Subject: RE: Computers with ports coming out the front? <snip> >PS: People who use mice have clean desks, and Y'll know what *that* is a >sign of. Gimme a nice trackball, any day.... I use a mouse (two of them, one for my Mac, one for my PC), also have two keyboards... but I hardly have a clean desk... I have just barely enough room to move the mice on a pad (at current, I have my soda cup sitting on the corner of the pad as it was the only clear spot on my desk). I just turn the mouse tracking speed WAY up, so that I can cover the screen with just a slight flick of the wrist. -chris <http://www.mythtech.net

21 years, 7 months

working 11/70s available for $$$, one w/PEP-70 & hypercache

by uban＠ubanproductions.com

Hello, I just scored a PEP-70/Hypercache pair from a guy on eBay and in my conversations with him, I've learned that he has a couple of working 11/70s, one with conventional MOS memory and the other with a PEP-70/Hypercache pair. He is a dealer and I have no association with him other than my eBay purchase. He seems like a nice enough fellow and these things are not getting any easier to find. So, for those who are inclined to spend money on their hobby computers instead of on PCs, here is the info. DaveM(a)systechaz.com 602-437-0100 Happy Holidays! --tom

21 years, 7 months

AMD2901CDC chip available

by ken＠seefried.com

From: Ethan Dicks <erd_6502(a)yahoo.com> > > In particular, I recognize > the 2910 as appearing on the Tandon SASI<->ST506 board in the Commodore > D9060 and D9090 drives. ISTR it's much like the 2901 but wider than 4 > bits - kind of an integrated building block for those designers who are > more concerned with real estate than extracting every last feature the > 2901 has to offer, i.e., a compact short-cut. Nope, 2910 is a microprogram address sequencer for the 2901 series. There are, however, a number of "2901 with more bits" chips, however. The IDT IDT49402/IDT49410A is the equivalent of 4 2901 slices (16-bits) + the apropos microprogram sequencer logic. Cypress had the CY7C9101, which was similar. WSI had the WS59032, which consisted of 8 2901 equivalents. Innovasic has the IA59032, which is an ASIC reimplimentation of the WSI chip and is still availible. Ken

21 years, 7 months

Old TI analog sound chip; info? [THANKS]

by root＠parse.com

Thanks to all who replied, it was the 76477 chip I was thinking of, and thanks for the links to the PDF files! Appreciate it! Cheers, -RK -- Looking for Digital Equipment Corp. PDP-1 through PDP-15 minicomputers! Robert Krten, PARSE Software Devices +1 613 599 8316. Realtime Systems Architecture, Consulting and Training at www.parse.com

21 years, 7 months

OT: NCR 6299 Raid subsystems

by pat＠purdueriots.com

I've got a bunch of NCR (Symbios) Class 6299 Model 1100 raid subsystems, and they have a DA-15 console port, for which I can't find any pinout information. Does anyone have a pinout available or information on these? I've tried googling everything I could think of, but no luck. I know the information is in their 'Site Preparation Guide', which Purdue had, but got lost. Also, NCR doesn't seem to carry documentation for these on their website. Thanks for any information. Pat -- Purdue Universtiy ITAP/RCS Information Technology at Purdue Research Computing and Storage http://www-rcd.cc.purdue.edu

21 years, 7 months

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test-drb December 2002