test-drb January 1999

test-drb@ccmp.vtda.org

189 participants
897 discussions

by steverob＠hotoffice.com

Doug, I just got a 2450 that I'm trying to resurect. It appears that the CPU is fried and I haven't found a replacement. I read the PRIME FAQ and it appears that they might be compatible. If this is the case, I'd *love* to have the CPU and other cards. Thanks, Steve Robertson - <steverob(a)hotoffice.com> -----Original Message----- From: DOUG PEKSA - COMPG [SMTP:PeksaDO@cardiff.ac.uk] Sent: Friday, January 22, 1999 6:16 AM To: Discussion re-collecting of classic computers Subject: Free PRIME 2455 (UK) Prime 2455 - free to good home - collect from Cardiff Introduced 1987, 1.2 Mips. Cabinet, CPU, 8Mb memory, SCSI controller, internal cables, PSU No disk drive; no tape drive; PSU does not work - PSU fault light remains on - it broke when I turned my washing machine on! A few hardware and software documents Approx dimensions 75H x 30W x 77D cm. Feels more than 50kg or maybe I'm just getting old. I'm more into DEC so havn't the time or space for this one. If nobody wants it, its off to the recycling depot. Doug.

27 years

MacOS (was: mac tool)

by SUPRDAVE＠aol.com

In a message dated 1/21/99 11:42:30 PM EST, nerdware(a)laidbak.com writes: > Thanks for the info. I still have to boot my Plus from floppy, so I never > went past > the original system that came with it. Some day, when I actually have free > time, I'll have to try 7 on my Plus. make sure you have a hard drive first! swapping floppies on mac especially when you have several disks on the desktop gets tedious. i'd use 6.0.8 which is small and fast. unless you require the multifinder or bubble help, stay with what you have already.

27 years

Looking for pointers to old Control Data software

by Philip.Belben＠pgen.com

>> > I've tried contacting the lastest version of CDC and they offer no help >> > whatsoever. Even refused to allow me to release copies of any of their >> > old manuals "for liability reasons." (don't get me started!) >> >> That makes me sooo mad.... > > It makes me mad as well. > > Does anyone know a friendly lawyer? Is there any form of legal wording > that can be used so that the company can't _possibly_ be held liable for > anything? If not, then there needs to be ;-) If it were true, there'd be some point to your suggestion. Unfortunately I fear it is just an excuse, and the real reason is "can't be bothered". In which case your suggestion wouldn't help. Apathy is very powerful. (BTW, "What's the difference between ignorance and apathy?" "I don't know and I don't care.") Philip.

27 years

Ebay Posts was Re: Ebay: Very Old IBM Model 705 Tube-type Logic Module

by dogas＠leading.net

-----Original Message----- From: Joe <rigdonj(a)intellistar.net> >At 10:01 AM 1/21/99 -0800, Marvin wrote: >> >>At any rate, I choose not to participate further in these discussions about >>the "morality" of posting to this list items for sale on ebay as they are >>pointless and do nothing to *promote* this hobby. I will continue to post >>items that *I* think might be interesting to members of this list. >> > > Yes, please do! I like to look at a lot of the E-bay items even if I >don't care to bid on them or spent time searching E-bay for them. > > Joe If I'm not mistaken, this can be done for up to 30 days *after* an auction as well you laggard.... Heh... Mike: dogas(a)leading.net

27 years

Reiability of wrong media (was: is out of 5-1/4" diskettes

by netcafe＠pirie.mtx.net.au

-----Original Message----- From: Pete Turnbull <pete(a)dunnington.u-net.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, 22 January 1999 20:28 Subject: Re: Reiability of wrong media (was: is out of 5-1/4" diskettes >As Megan pointed out, the maths is wrong. A "1.44MB" disk has 80 >cylinders, two sides, 18 sectors per track, sector size 512 bytes. > >80 * 2 * 18 * 512 = 80 * 18 * 1024 = 1440KB > >That's where the "1.44" number comes from. > >And a Megabyte is normally held to be 1024 * 1024 (megabyte would, I agree, >be different, 1000 * 1000). But "1.44MB" refers to 1.44 * 1000 * 1024, >which is a ridiculous way to count. 1440KB = 1.406MB. I always thought there were things about IBM that just didn't add up. (Sorry, couldn't resist it.) Cheers Geoff Roberts Computer Room Internet Cafe Port Pirie South Australia. netcafe(a)pirie.mtx.net.au

27 years

NEC 8401A

by cmcmanis＠freegate.com

http://www.classifieds2000.com/cgi-cls/ad.exe?P1+C220+A0+R67581 Sorry Doug, --Chuck

27 years

LSI-11 Processor Status Word

by mbg＠world.std.com

"Zane H. Healy" <healyzh(a)aracnet.com> wrote: >Stupid question: I'm trying to install TCP/IP on my PDP-11/73 running >RT-11 V5.4 and am trying to choose the proper driver. Does the PDP-11/73 >CPU have a Processor Status Word? The 11/73 is the KDJ11-A, based on the DCJ11 chip, which has a processor status word at 17777776. It also just so happens that (at least for all the DEC pdp-11s) a machine with memory management also has a processor status word. >Also, if you've got a driver for TSX-11 do you have to have corresponding >driver for RT-11 installed? Not that I know of. The TSX versions of the drivers are the RT-11 versions rebuilt to use PAR6 instead of PAR1 for access to user buffers, et al. Same documented restrictions of PAR1 use in the RT-11 doc set would then apply to PAR6 when using the drivers under TSX... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com | | Unix Support Engineering Group | (home): mbg!world.std.com | | Compaq Computer Corporation | addresses need '@' in place of '!' | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

27 years

Ebay: Very Old IBM Model 705 Tube-type Logic Module

by dogas＠leading.net

-----Original Message----- From: John Foust <jfoust(a)threedee.com> >So I guess the problem is that Information Wants To Be Free, and the >Internet Will Liberate Us, and Shopping Online is Phun, and all that, >except when its efficiency seems to work against you. Look on the >bright side: if it weren't for the Net, eBay and this list, fewer >people would be offering these sorts of goods, and most of us would >never hear about them. Maybe... One of the cool components of the hobby is FINDING the bargain. These announcements do nothing but raise the prices eventually paid for these items. I guess that makes sense if your already sitting on a cache of Altairs and 5100s and are happily watching prices go through the roof. I'd do everything I could to help that little market develop... And *anyone* who's not afraid of the stale breath of satan can go to ebay and search for 'old computers'. Ok, I promise to say no more on this subject... wait.... Anyone see these pictures of Marvin's wife at http:\\... *just kidding* ;) - Mike: dogas(a)leading.net

27 years

[OT] Re: IE 4/Office 97 Security Hole

by sinasohn＠ricochet.net

At 09:23 PM 1/21/99 -0000, you wrote: >exclude all IBM-compatible x86 systems, but there are some people that Well, the average say, post-85 desktop PC, I would heartily agree with. Some, however, especially portables, do have some innovations/freakishness. Like the Sharp portable I mentioned, or the Gavilan, Compass, etc. I will break with my above comments long enough to say that if I had lots of storage space, it would be really cool to get a PC's Limited pc... --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

27 years

Reiability of wrong media (was: is out of 5-1/4" diskettes

by pete＠dunnington.u-net.com

On Jan 22, 1:30, Tony Duell wrote: > > This can't be possible! Otherwise, why didn't someone exploit this to > > make 4-sided diskettes?? > > Because you don't gain any extra storage. Pete formated every other track > on the disk using an 80-track drive (narrow heads). So in the end he had > 80 tracks on each side (40 going in each direction). Since an 80 track > drive can write 80 tracks anyway, there's no advantage in flipping the > disk over. Almost exactly. Actually, it was an accident. It was obviously a 40-track flippy to start with, and at some time in the dim and distant past I must have decided to use it "properly", two-sided. But only the second side had been formatted in the flipped orientation, so although it was 40+40=80 tracks on one side it was only 40 on the other. -- Pete Peter Turnbull Dept. of Computer Science University of York

27 years

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test-drb January 1999