test-drb February 2003

test-drb@ccmp.vtda.org

337 participants
780 discussions

Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold)

by pete＠dunnington.u-net.com

On Feb 3, 0:20, Megan wrote: > Yes, the 11/23 and 11/23+ use the same chips. The 11/24 and PRO300 > series also use the DCF11 chip. I don't know if they also use the > memory management chip... The 11/24 does, but I've no idea about the Pro. -- Pete Peter Turnbull Network Manager University of York

21 years, 3 months

Old Computer Companies

by Innfogra＠aol.com

In a message dated 2/2/03 3:15:05 PM Pacific Standard Time, ETILLMAN(a)satx.rr.com writes: > > I did have the opportunity to meet Gene Amdahl...what a nice guy (btw he > > did tell me he is a Mac user)...I asked for (and got) an autographed > > copy of his picture. What ever happened to Andor (his last company) and > > what were they trying to build? > I bought the remainders of the test wafers from Gene Amdahl's Elixi company in its failure in the mid 1980s. This was where he tried to put a mainframe on a 6" wafer. It was a failure, pushing the limits of LSI technology at the time. I went to their final auction in 1989. In the lobby of the building was Gene Amdahl's first computer, not for sale. It was very interesting. I wonder where it is now? It was destined to be saved. Paxton Hoag Astoria, OR

21 years, 3 months

Columbia

by micheladam＠theedge.ca

I'll venture this guess: Concorde Only one loss of craft and passengers & crew. Statisticaly, measured in passenger/kilometers flown, it went from one of the best safety record to one of the worse, since there are so few of the planes... Michel ----- Original Message ----- From: "Jeffrey S. Worley" <Technoid(a)30below.com> Date: Sunday, February 2, 2003 11:27 pm Subject: RE: Columbia > Maybe, but then again the plane is like an Italian rifle. Fired once, > dropped once. It is practically unused. I visited the museum > where it > is stored along with the QE? > > It is a really really big plane. I've flown on a C5A and it was > biggerstill (or so it seemed). > > Regards, > > Jeff > > -----Original Message----- > From: cctalk-admin(a)classiccmp.org [cctalk-admin(a)classiccmp.org] > On Behalf Of Fred Cisin (XenoSoft) > Sent: Sunday, February 02, 2003 4:26 PM > To: cctalk(a)classiccmp.org > Subject: RE: Columbia > > > claim. (Noogies for the person who can name the *1* airliner that > comes > > closest to beating this record...) > > Howard Hughe's "Spruce Goose" has NEVER crashed.

21 years, 3 months

OT: Anyone in/near Cambridge, MA; Kansas City, KS; or Detroit, MI looking for IT work?

by erd_6502＠yahoo.com

I would like to share in my recent good fortune with folks on the list (and pick up a referral bonus, naturally ;-) by attempting to hook people up with internal job postings. Write me off-list (erd_6502(a)yahoo.com) and tell me where you are at (from the above list of Cambridge, Kansas City or Detroit) and I'll send back job decriptions for those locations. Unfortunately, not much looks like ClassicCmp-type stuff (except the Mac Software Engr position in Cambridge), but we all gotta have current skills to keep on the treadmill. If you don't live within commuting distance of the above places, please don't write and ask me what's available - The openings for tech types are where I've described. Enjoy, -ethan

21 years, 3 months

HP 5423A analyzer

by jwest＠imail.kwcorp.com

I just receive an HP 5423A Structural Dynamics Analyzer. I have no interest in it, but being curious, what the heck is it used for?? From googling I get the impression it does fourier modal testing? Jay "Idly curious" West --- [This E-mail scanned for viruses by Declude Virus]

21 years, 3 months

In a previous life the mircomputers I used to sell were the...

by vze2wsvr＠verizon.net

New: Sol-20 Commodore PET Atari 400 Atari 800 Used: IBM XT IBM AT various 286s various 486s Pentiums Mac IIs Please add to the list your personal experience of computers sales. If you didn't sell it don't add it. Eric

21 years, 3 months

PDP-8: (and others) anyone tried NVRAM simulation of hard drives?

by djg＠drs-esg.com

>> From: Ethan Dicks <erd_6502(a)yahoo.com> > >That was one of my options. Any ideas about what to use for the >cabling? > If you are keeping it short ribbon cable should work fine. If you were running longer cables for multiple devices it might not be the best. >What would you estimate the entire harness to run? $100? > I think you need 10 or 11 boards which the cheapest was about $7 so it could be done for that. The cable connection will be tricky on the cheap extender card. The grid card would be the best but most expensive. >I was thinking of recycling the COMBOARD design - 1/4 of the memory >map is "shared memory" - there is a circuit between the 68000 and >the host bus that initiates DMA cycles when the 68000 reads/writes >to it. I have used a COMBOARD to test the RAM in a PDP-11/03 via >this shared memory interface. > Don't know if the 68000 has a fast enough clock to see the pulses or it will need a little hardware assist. As long as you don't mind your peripheral being brighter than the computer it should be viable. From: Bob Shannon <bshannon(a)tiac.net> > >I beleive that Al got a few (one or two?) Augat wire-wrap quad DEC >modules along with the CADR >hardware. There was at least one quad unibus Chaos net interface board. >But I have no idea of what an omnibus interface looks like electrically. > Is this a painful thing to build? > Omnibus timing is a little strange but not that hard to work with. It is similar to the 8/I external bus which is a daisy chained bus with 10 or 11 cables for full version.

21 years, 3 months

Pulse Ada OS

by enrico.badella＠softstar.it

> On 2003.02.02 02:43 Adrian Vickers wrote: > > PULSE. The development was apparently done on the VAX, and > cross-compiled for the PDP-11/23. The book in question is "PULSE: An > Ada-based Distributed Operating System". I have the book, bought it many years ago. Anybody know it PULSE is available somewhere? A quick google di not reveal any source. Would be probably a nice toy for an 11 ;-) cheers e. -- /|_ .-------------------------. ,' .\ / | Looking for PDP, and VAX| ,--' _,' | hardware and DEC-10 docs| / / `-------------------------' ( -. | | ) | (`-. '--.) `. )----'

21 years, 3 months

Ada (was Re: Columbia)

by pete＠dunnington.u-net.com

On Feb 2, 7:29, Zane H. Healy wrote: > PULSE. The development was apparently done on the VAX, and > cross-compiled for the PDP-11/23. The book in question is "PULSE: An > Ada-based Distributed Operating System". Ian Wand has just retired from Computer Science at York, but Andy Wellings is still there. I'll ask Andy about that... CompSci had Vaxen and unibus 11's (I've got one of them), but I didn't know they ever had any small QBus machines. -- Pete Peter Turnbull Network Manager University of York

21 years, 3 months

Emulex QD 211

by Innfogra＠aol.com

A quick Google search nor looking through Emulex's site was I able to find out what this card is? The actual number is QD2110202-00 rev L. From the connectors it is either ESDI or a MFM hard disk controller for Qbus but I am not sure which. Pictures at http://members.aol.com/innfosale/ebay/QD211E1A.JPG http://members.aol.com/innfosale/ebay/QD211E1B.JPG Thanks, Paxton Astoria, OR

21 years, 3 months

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test-drb February 2003