test-drb July 2001

test-drb@ccmp.vtda.org

301 participants
824 discussions

by RCini＠congressfinancial.com

ROLF... -----Original Message----- From: Mzthompson(a)aol.com [mailto:Mzthompson@aol.com] Sent: Thursday, July 26, 2001 1:21 PM To: classiccmp(a)classiccmp.org Subject: Re: VCFE Shopping List On Wed, 25 Jul 2001; "Cini, Richard" <RCini(a)congressfinancial.com> wrote: > ...whatever I get I have to sneak into the house :-) <snip> > "No, honey, really. I didn't buy anything more than this t-shirt." Rich, don't you think she will get suspicious when the t-shirt shows up in the laundry and she notices a size of XXXXXXXXL. She's gonna think to herself: "I thought he looked a little hefty when he came home, I wonder why????" :-) Mike

23 years, 5 months

heck, are 11/785s extinct?

by phil＠ultimate.com

> Date: Thu, 26 Jul 2001 07:02:22 -0700 (PDT) > From: Ethan Dicks <ethan_dicks(a)yahoo.com> > > > The 11/782 was dual cpu 11/780's with shared memory bus run > > master-slave for compute bound tasks with the i/o run off of one > > cpu. > > Right. Developed by George Goble (of the LOX-on-the-BBQ fame), et. al, at > Purdue, IIRC. The 782 was the DEC solution, using a multiported memory (MA780). Each CPU had it's own SBI, with private UBA's and MBA's (UNIBUS and MASSBUSS adapters); <a href="http://www.montagar.com/dfwcug/VMS_HTML/timeline/1982-5.HTM">VAX/VMS V3</a> VMS V3 supported three new processors: the VAX-11/750, VAX-11/725, VAX-11/782. V3 features included asymmetric multiprocessing (ASMP) for VAX-11/782, support for new architectures, protocols and busses, system communication architecture (SCS), mass storage control protocol (MSCP), lock management system services, and MONITOR utility for performance monitoring. <a href="http://www.netbsd.org/Documentation/Hardware/Machines/DEC/vax/vax700.html">VAX hardware reference - VAX 700 series</a>; VAX 11/782 Nickname: Atlas Cpu: Dual KA780 Vup: 1.8 Bus: 2 SBIs with 15 nexus slots each. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI. (?) Introduced: 1982 NetBSD: (?) Probably The Purdue work connected the two CPU's by replacing the SBI bus terminator with the second CPU. There aparently were also a few 11/784s, with 4 CPU's, also using the MA780. http://www.cam.anglia.ac.uk/~systimk/History/Vaxes.Txt, discusses it all, an includes a 1993 message from George. > My understanding was that the 11/785 was DEC's official implementation > of what George and crew cobbled together as the 11/782. It only saw > the light of day because, as you say, there was a gap in DEC's product > line with the delays in the 8600 and customers wanted more than what was > presently out there. The 785 was a late life kicker to the 780; It was not (by itself) a multiprocessor system. <a href="http://www.montagar.com/dfwcug/VMS_HTML/timeline/1984-2.htm">VAX-11/785</a> CPU cycle time in the VAX-11/785 was 133ns, 50% faster than the 200ns cycle time of the VAX-11/780. The accelerated cycle time allowed all CPU operations to run up to 50% faster, resulting in higher throughput, faster response time and the ability to support more users The NetBSD VAX hardware reference says that a 782 built from two 785's would have been called a "787" Disclaimer; I worked at DEC in the 80's, but on 36-bit products. (and briefly on the 64-bit RISC machine, codenamed "SAFE", which, after Cutler grabbed the project, was renamed PRISM).

23 years, 5 months

Apple ][ boards -- what have I found?

by pete＠dunnington.u-net.com

> Both of the Torch Coprocessors that I've seen use the 1MHz bus. The Z80 > one needs a ROM installed in one of the BBC's sideways ROM sockets. All the Torch Z80s I've seen DO use the Tube, though they don't quite follow Acorn's Tube protocols and don't always play well with other Acorn sideways ROMs. They don't use the Tube code in the Acorn DNFS ROM, instead they have their own sideways ROM (which unfortunately grabs some vectors at times it shouldn't, so having a DNFS ROM in the same machine can be problematic). Nor do they use an Acorn Tube ULA, instead they have an 8255 on the Z80 card. The Graduate does indeed use the 1MHz bus, though, and I think the Unicorn does too. -- Pete Peter Turnbull Network Manager University of York

23 years, 5 months

VCFE Shopping List

by Mzthompson＠aol.com

On Wed, 25 Jul 2001; "Cini, Richard" <RCini(a)congressfinancial.com> wrote: > ...whatever I get I have to sneak into the house :-) <snip> > "No, honey, really. I didn't buy anything more than this t-shirt." Rich, don't you think she will get suspicious when the t-shirt shows up in the laundry and she notices a size of XXXXXXXXL. She's gonna think to herself: "I thought he looked a little hefty when he came home, I wonder why????" :-) Mike

23 years, 5 months

heck, are 11/785s extinct?

by dittman＠dittman.net

> How many VAX-11/78x machines were produced? > These days you expect that thousands of any machine would > be sold (except maybe the specialised supercomputers). > I believe that for the VAX 9000 series, only 400-500 made > it out of the door. The same order of magnitude may well > be true for the VAX-11/78x systems. You can't base the VAX-11/78x system sales projections on the VAX 9000 sales. The VAX-11/78x systems were very reliable and worked well. The VAX 9000 systems weren't and didn't. -- Eric Dittman dittman(a)dittman.net

23 years, 5 months

Hackers: Computer Outlaws

by mjsnodgr＠rockwellcollins.com

I just so happen to have that song... Came across it on a Computer-Humor songs tape. (And promptly backed the tape up to my hard drive) - M.S. ard(a)p850ug1.demon.co.uk (Tony Duell)(a)classiccmp.org on 07/25/2001 04:36:22 PM Please respond to classiccmp(a)classiccmp.org Sent by: owner-classiccmp(a)classiccmp.org To: classiccmp(a)classiccmp.org cc: Subject: Re: Hackers: Computer Outlaws > Is it just me, or could you imagine Tony Duell's team on a > high-tech version of Scrapheap Challenge/Junkyard Wars, > building a PDP-11 out of whatever they can find lying > around? Then toggling in the bootstrap... Years ago there was a filksong entitled 'You can build a mainframe from the things you find at home'... One of my friends came across it, turned to me and said 'In your workshop you probably could' :-) -tony

23 years, 5 months

hackers - whoops

by LFessen106＠aol.com

Sorry about the attachment on my last post guys and gals.. Writing 2 emails at the same time and attached to the wrong one.. At least it wasn't a really big attachment :-) -Linc Fessenden In The Beginning there was nothing, which exploded - Yeah right... Calculating in binary code is as easy as 01,10,11.

23 years, 5 months

need help with an old ST-251 MFM drive...

by Robert_Feldman＠jdedwards.com

There are drivers available for systems with an 8088 and MS-DOS 2.11 (and up): http://www.palmzip.de/. This drivers works with the 100MB ZIP models, but might not with the 250MB. Bob Feldman -----Original Message----- From: ard(a)p850ug1.demon.co.uk [mailto:ard@p850ug1.demon.co.uk] Sent: Wednesday, July 25, 2001 5:49 PM To: classiccmp(a)classiccmp.org Subject: Re: need help with an old ST-251 MFM drive... <snip> Do the ZIP drivers run on an 8088? I thought that at least some versions didn't. -tony

23 years, 5 months

need help with an old ST-251 MFM drive...

by dhquebbeman＠theestopinalgroup.com

> Any tips? Any other ideas about how to get the data off of > this drive? Should I try another MFM controller? I'd use Kermit or some other serial-port file transfer... CrossTalk was a favorite of mine in those days; it could transfer multiple files at once, rather than one at a time (there may be a way to do that in Kermit that I never got around to doscovering)... ^^^ Humourous typo! -dq

23 years, 5 months

test

by dhquebbeman＠theestopinalgroup.com

Mighty quiet...

23 years, 5 months

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test-drb July 2001