test-drb December 2001

test-drb@ccmp.vtda.org

243 participants
1096 discussions

by bill_mcdermith＠yahoo.com

I scrounged a copy of the RTE OS for the hp21xx computers, but it is in some strage archive format with the extension ".fst" -- this is apparently much like tar, but my sun version of tar doesn't uunpack it well (to say the least :-)... Does anyone know of either a version of the archive program for this format that I could build on a UNIX box, or the format of the file so that I could unpack it? Thanks much, Bill McDermith

22 years, 10 months

Groups in Houston (and elsewhere)

by acme_ent＠bellsouth.net

Have any of you Houston folks looked around for similar groups in your area? A quick Google search of my (Orlando) area found an Apple II group and an IBM PC group, both of which hold monthly meetings. There are probably similar groups in your area where you might meet vintage computer people (other than those on this list). Glen 0/0

22 years, 10 months

DEC PC04/PR8E Question

by healyzh＠aracnet.com

OK, the last part of my shipment just showed up, the Papertape reader. I'd thought the PC04 was a reader/punch. Am I correct in my revised assumption, that it came in three models; reader/punch, reader, and punch? Now for the first question, should there be anything on the right side (looking from the front) if it's only a reader? For some reason I've a bad feeling that I don't have a complete reader... On a positive note, the PDP-8/E looks to be in *far* better shape than I'd been lead to believe, so hopefully I'll be able to get it up and running with minimal effort (I could be so lucky). Though it's large enough I'm very tempted to transplant pieces into my PDP-8/M and put the /E in storage. Also I got a terrific looking pile of documenation and Volume 3 of the hardware manuals is twice the size of the copy I already had. Most of the manuals are ones I didn't have, and I've finally got a printset :^) Zane -- | Zane H. Healy | UNIX Systems Administrator | | healyzh(a)aracnet.com (primary) | OpenVMS Enthusiast | | | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | PDP-10 Emulation and Zane's Computer Museum. | | http://www.aracnet.com/~healyzh/ |

22 years, 10 months

IMPORTANT NOTE (list admin)

by west＠tseinc.com

The classiccmp mailing list, as well as all the classiccmp related websites that I'm hosting at no charge, must be moved IMMEDIATELY to another set of servers at another location. Due to possible legal contractual reasons, I can't publicly go into more detail. If you need further information about this just contact me off list and I'll see if I can be more specific. PLEASE keep the following points in mind: 1) PLEASE do not continue (reply to) this thread on the list, I'd rather not have a bunch of messages in the archives about this topic. If you want to say anything about this, only reply to me at west(a)tseinc.com 2) I have resigned from the company that I worked for, and am no longer an owner there. The only valid email address for me is west(a)tseinc.com and to anyone who had my cellphone number, I now have a different number. Contact me via email if you need it. 3) Anyone who had my USmail mailing address for shipping stuff to with a zip code of 63117, please dont send anything there as there's no way to be sure I will ever get the package. Contact me off list for new mailing info. 4) I will continue to have the classiccmp website as well as all the free classiccmp related websites hosted at no charge. My offer of free hosting for any such websites or mailing lists still stands. Nothing will change, only the servers the sites are located on. The new location where the sites will be hosted is every bit as robust and well managed as the old location. 5) I took extreme pride in our uptime and reliability. You can assume the same will continue with the new hosting location (wink wink). However, as much as it truely pains me to do so, the sites and list must be moved in a very unplanned, hurried, unceremonious fashion. It is certain that there will be some downtime for the mailing list, as well as some of the free sites, WHILE they are being moved - lasting possibly 48 hours. I sincerely apologize for this, but the situation forces me to do this in an abrupt manner without planning for DNS propagation and the like. My sincere apologies. 6) As I said, the offer of free hosting still stands now and in the future. If anyone has any classiccmp related sites or mailing lists they want hosted, just drop me an email. Regards, Jay West

22 years, 10 months

Microchannel ethernet NIC

by SUPRDAVE＠aol.com

In a message dated 12/3/2001 3:49:01 PM Eastern Standard Time, csmith(a)amdocs.com writes: << Probably RJ45. It is for a friend's machine, though, so I'll have to check. I have gotten an offer of an RJ45 board via email, though, if that's the case. RE: looking for MCA NIC... why not look on ebay? always some listed there and cheap too.

22 years, 10 months

More E-Bay Insanity?

by acme_ent＠bellsouth.net

> From: Dave McGuire <mcguire(a)neurotica.com> > Hmm...come to think of it, I have a genuine Radio Shack 5.25" head > cleaning kit...I think I'll put it up on eBay and see how I do! 8-) Shoot, man, I've got a case of the things (I'd never use one myself, of course). Wait, that means I'm rich! RICH! RICHHHHHHHHHHHHHHHHHHHH!!! Glen 0/0

22 years, 10 months

FLUKE?

by pete＠dunnington.u-net.com

On Dec 3, 21:50, Tony Duell wrote: > 'Bubble Sort' has nothing to do with bubble memory. Bubble sort is a > well-known, very poor, sorting algorithm -- so poor that one book I have > contains the quote (from memory) 'If you know what a bubble sort is, wipe > it from your mind. If you don't, make a point of never finding out' :-) I don't know which book that was, but actually a bubble sort is one of the most efficient for things that are already nearly in order, or for small lists. Which is one reason it's used as part of some other algorithms. Definitely not for large random sets, however. -- Pete Peter Turnbull Network Manager University of York

22 years, 10 months

FLUKE?

by pete＠dunnington.u-net.com

On Dec 3, 15:09, Christopher Smith wrote: > "Let A[1:n] be an array of n numbers. > > ... > > Make repeated sweeps over the array A[1:n] from left to right. Upon > detecting any adjacent pair of numbers A[i] and A[i+1] not in proper order, > exchange them A[i] <-> A[i + 1]. When a pass is completed with no exchanges > having been made, the process terminates. Hmm, well, that's (almost) the worst example I've ever seen :-) You're supposed to stop one position shorter each time, because by the end of the sweep, the largest (or smallest, depending on which way you do the comparison-and-swap) number has fallen to the bottom (end) of the array. It makes a big difference to the time it takes. -- Pete Peter Turnbull Network Manager University of York

22 years, 10 months

TK50-GA external SCSI tape unit + Microvax 3100 Desktop

by pete＠dunnington.u-net.com

On Dec 3, 20:21, Matt London wrote: > > No, that does not soud correct. > > The external SCSI-Connector (if you have one) on a MV3100 is a rather > > small, 68-PIN-HD-like connector, comparable to modern SCSI-III > > connectors. > Just my 2p's worth, but, my MV3100/m10e has a 50 pin centronics SCSI > connector - it's hooked into the scsi bus, I can see that by looking at it > - the cable connecting it has my 2nd internal HDD attached :&) As does mine, model no. DV31AT1A. > I also have the serial port option, which is a 37pin centronics. I think you mean 36-pin :-) > (Oh, what's the 50 pin HD-DB type connector? line-printer?) Good question :-) -- Pete Peter Turnbull Network Manager University of York

22 years, 10 months

History of Computing exam question

by csmith＠amdocs.com

> -----Original Message----- > From: Ben Franchuk [mailto:bfranchuk@jetnet.ab.ca] > Christopher Smith wrote: > > I took the question a different way. As I interpreted it, > the computers > > were supposed to be "significant" in terms of design. The > IBM PC wasn't. > > It was pretty much all re-hash of something else. > Well when I first saw a PC ( clone that is ) , I thought > "WOW A real keyboard, good display ( Upper / Lower Case ) > and dual floppies all in one box". 512K ram max sounded > like a lot of memory too. Compared to the 8 bit toy market > at the time Z80's,C64's,Coco's that was a lot of power. > It was the small 16 bit addressing that killed the 8 bitters. May have been unusual at the time. I doubt it was the first machine to have any of that. A VAX-11/750 with a vt-100, for instance, would have had all that less the dual-floppies and with a much higher maximum RAM limit ;) Seriously, though, some older CP/M boxes also had real keyboards, decent displays and dual floppies. (Some of which was optional, mind you... as were _any_ floppies on the PC, AFAIK, in that you bought them separately :) Also you could say that it was the first available 16-bit home computer (depending on your definition of 16-bit), but you'd be wrong... (Quick search says that several people believe this was the TI-99, actually, which also had a real keyboard, and could have had the dual floppies) Ultimately, the 32-bit systems were pretty close on its heels -- I have a timeline that places the PC in '82, and the Apple Lisa in '83. I don't know if this is correct... I have no idea how the peesee actually lasted as long as it has. There were several 32-bit systems on the market by 1984 or so (though, my personal favorite was done in '87 with the Acorn Archimedes). Regards, Chris Christopher Smith, Perl Developer Amdocs - Champaign, IL /usr/bin/perl -e ' print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n"); '

22 years, 10 months

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test-drb December 2001