test-drb April 1998

test-drb@ccmp.vtda.org

122 participants
678 discussions

Dick Smith System 80 S-100 Expansion Connections

by Guerney＠uq.net.au

I have just bought an almost-new condition fully kitted out Dick Smith System 80 - this was an Australian-sold clone of the TRS-80. The system consists of a console with included tape player, an S-100 expansion box and two 200K 5.25" floppy drives. The receipt dated September 1982 was in one of the boxes (all original packing) along with all connectors. The expansion box contains an extra 32K RAM (total 48K) and connecting cables to the main system, the two drives (each one a separate stock item, one "Disk 0" and the other "Disk 1") and to a Centronics printer. Price asked in a charity shop was $10 each for the two big boxes and $5 each for the two drives. Not too bad, and you can't argue too much when the money is going to a good cause! But absolutely no documentation. The basic system works OK. What I want to know is how to connect up the expansion box to the main box and the drives. The connecting cables are standard flat multi-strand cable with the Pin 1 side marked in red. But which is Pin 1 at the connection blocks? I don't want to kill this beautifully clean unit by connecting it up backwards! If someone could tell me which end of each of the connection blocks on the back of the console, on the S-100 box and on the disk drives is the Pin 1 end, I would be grateful. Phil

26 years, 3 months

TRS-80 Model 4 (128k) for sale

by e.tedeschi＠ndirect.co.uk

You might if you had been had by someone in this list. If the man is a con, I think I am doing a public service here trying to stop him to strike again with somebody else. Thank you enrico lisard(a)zetnet.co.uk wrote: > > On 1998-04-07 classiccmp(a)u.washington.edu said to lisard(a)zetnet.co.uk > :Warning! You might get something different from what you have > :bidded for. I did. > > keep your bitching private. nobody else gives a toss. > -- > Communa (together) we remember... we'll see you falling > you know soft spoken changes nothing to sing within her... -- ======================================================== Enrico Tedeschi, 54 Easthill Drive, Brighton BN41 2FD, UK Tel/fax(+01273) 701650 (24 hours) and 0498 692465 (mobile) please visit my website at: <http://www.brighton-uk.com> ========================================================

26 years, 3 months

System/36 in the Bronx: $100

by mor＠crl.com

This came off a web classifieds page: ----------------------------------------------------------------------- IBM SYSTEM/36 MODEL 5360, $100/OBO, Used Description MIDRANGE COMPUTER FULLY FUNCTIONAL WITH 5225 MODEL 2 PRINTER For sale by private party (718) 863-9651 fma bronx, New York 10462 -- mor(a)crl.com http://www.crl.com/~mor/

26 years, 3 months

DEC RRD-40 CD-ROM

by healyzh＠ix.netcom.com

OK, I'm stumped. What are the switch setting for the 4-switch DIP switch on the back of a RRD-40 drive? I managed to come up with a working configuration, but how safe is SCSI address 0 under VMS? I know the Hobbyist CD at least boots through the hardware search in Standalone backup (didn't have time to install tonite). Also what's the 4th switch for? Thanks, Zane | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | For Empire of the Petal Throne and Traveller Role Playing, | | see http://www.dragonfire.net/~healyzh/ | | For the collecting of Classic Computers with info on them. | | see http://www.dragonfire.net/~healyzh/museum.html |

26 years, 3 months

(fwd) Obsolete computers looking for a home! (fwd)

by adavie＠mad.scientist.com

I would note that I have already claimed these items, about a week ago, but the Olivetti things are still available. Thanks, Sam, for the heads-up. Cheers A -----Original Message----- From: Sam Ismail <dastar(a)wco.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Wednesday, April 08, 1998 3:55 PM Subject: (fwd) Obsolete computers looking for a home! (fwd) > >For you blokes down under. > > >Plus, I have a number of Olivetti M24, M28, & M280 systems >to get rid off, same deal.

26 years, 3 months

(fwd) Obsolete computers looking for a home! (fwd)

by dastar＠wco.com

For you blokes down under. ---------- Forwarded message ---------- From: R.Alphey(a)forestry.unimelb.edu.au (Russell J. Alphey) Newsgroups: comp.os.cpm,aus.computers Subject: Obsolete computers looking for a home! Date: Fri, 27 Mar 1998 05:34:46 GMT Organization: School of Forestry, University of Melbourne It's time to clean up the spare room... These computers are available, free to a good home. Note that they are all in Melbourne, Australia. Shipping at new owner's cost! :) 1. Labtam CP/M system, with 8086 processor board add-in. Single 8" drive, with built-in monitor. 2. Micromation multiuser CP/M system. Has 4 processor boards, plus serial terminals. 20 Mb hard drive, dual 8" drives, QIC-24 tape unit. 3. 2* ??? CP/M systems, monitors have WOODEN sides! Come with processor unit, plus 2 * DISCUS 8" drives. All systems come with boot disks. Plus, I have a number of Olivetti M24, M28, & M280 systems to get rid off, same deal. Contact me by email to arrange something. I'm not going to wait too long before "dumping" these machines... R. R.Alphey(a)forestry.unimelb.edu.au -- end of forwarded message -- -- Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Don't blame me...I voted for Satan. Coming Soon...Vintage Computer Festival 2.0 See http://www.siconic.com/vcf for details!

26 years, 3 months

Old Data

by sinasohn＠ricochet.net

At 01:04 AM 4/7/98 -0500, you wrote: >I've held onto machines that I would've happily given away except for the >time involved to go through the stuff on the hard disk and clean it up. [...] >What the world needs is a painless one button backup-and-clean program. Or a belief that they can turn the machine over to a reputable collector/museum who will do it for them. --------------------------------------------------------------------- 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/

26 years, 3 months

Old Data

by sinasohn＠ricochet.net

At 01:25 AM 4/7/98 -0500, you wrote: >> Except, that people may feel it's easier (and/or safer) to just destroy the >> machine than it is to try and make sure no one can read their data. What > >It's rarely done, most people aren't that superstitious of electronic machines. Perhaps not in the past, but now that the average village idiot is using quicken and tax programs... They may not have used Dad's imsai, but they don't know that his old tax returns aren't in that old box. >> I agree that people should be responsible for their own data, but I also >> feel that we, as collectors, need to hold ourselves to a higher standard, >> so that people will feel comfortable giving us their old machines. > >If they actually gave us the machines. Most times they're swapped or sold cheaply. Whether or not they give them for free or for $, they have to feel comfortable doing it, or they won't do it. >Bad similarity...no one is paying you for confidentiality. Okay, surely you know someone to whom you don't tell anything personal because you know it'll be all over the office/neighborhood/local news within the hour. If people don't believe they can turn over their computers without having to worry about their tax returns showing up on the internet, they won't do it. >> Most of the people here probably know how to wipe a hard drive so it can't >> be read. (My best guess is a low-level format, then fill it with worthless >> data? Good thing I have nothing to hide!) But the average AOL user >> doesn't. When Grandpa passes on, you don't want the grandkids trashing all >And many have had to use level 3 read/write data destruction if they've worked for >the government. If the goverment is required to insure a clean machine to the >point of even installing a new hard disk prior to public sale, why should the >average Joe be protected in his or her sloppy handling of their private matters. >If you get right down to it they risk public viewing just by installing anything >on the hard disk and connecting to the net. I'm not advocating responsibility for the user's sake. If you care about the neighbors seeing you nekkid, pull down the damn shades. The reason I advocate it is because I don't want my neighbors boarding up their windows because they don't know if pulling down the shades is enough. I don't want people trashing significant machines because they heard about someone who knew someone who had a friend who heard about someone who gave a computer to a collector, and then those quickcam pics of the wife au naturel (that he thought he deleted) ended up on the 'net. Whether or not its true, and whether or not someone has pics like that, doesn't matter. The technoidiots will trash machines rather than take any risks. Don't believe me? Ever heard of the Good Times virus? >Not more of the one, but a picture or two of each machine. I realize you're just >working on the site but a picture really makes the site interesting to those not >familiar with the machines. A prefect example is the dual drive on a Rainbow. How >many people can even grasp the thought of putting a floppy in right way in one >slot, upside down in the other? I'm working on that. I've got 6 rolls of film to go to Price Club this week. Then I have to scan them, edit/crop/resize them, build a list of the pics (with dimensions and captions), come up with some snappy text, look for some links, and dig up the specs of the machine so I can build the web page. Whew. Don't worry, I'll get there. 8^) --------------------------------------------------------------------- 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/

26 years, 3 months

Computer Garage - Virtual Garage Sale

by photze＠batelco.com.bh

>qty. 1 - Compaq Deskpro 386/20e - $20.00 > >qty. 1 - Compaq Deskpro 433i - $30.00 OK... are either of these spoken for? Do you know the stats for these? How much RAM, HDD (if any) space, disk drives, etc, and does that include a monitor? (And, if you can find it, what is the video card, etc.) Thanks, Tim D. Hotze

26 years, 3 months

S34 system

by allisonp＠world.std.com

<Well, I'm just thinking odd thoughts right now(specifically about <converting a CB radio I have to the 10m amateur band), but if you can If you need a hand I can help with that. <figure out all the output voltages that the computer uses, than it <shouldn't be too hard to either build several power supplies to handle th <large amounts of power it needs, or perhaps re-wind the main power <transformers(or just replace them with somethign that has the same output <Which brings me to another thought, what IS the output voltage of the pow <supply/transformer(s)? And of course, if the hard(and floppy) drive motor <need 220v, you can also look for replacement motors that run on 110v. <That's what I'm going to need to do for my Series/1. Not that trivial as the system has a fair amount of pwer sequencing and power good logic tied to the front panel and power system. besides where to you find a 110Vac to 5V@ 30+amps floating around. That and any fans and motors that may use 220v. THere is a lack of data on that and no way to power it to determine if thats is the case. Allison

26 years, 3 months

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test-drb April 1998