test-drb July 2003

test-drb@ccmp.vtda.org

279 participants
450 discussions

by classiccmp＠vintage-computer.com

I hope that there is a list member in the area of Sterling Virginia who is willing to "rescue" the IMS 8000 machine being sold in the auction referenced below. The seller states that "If there are no bids, the machine and disks will be taken to the Loudoun County, Virginia landfill." Here's a link to the auction: http://cgi.ebay.com/ws/eBayISAPI.dll? ViewItem&item=2743455193&category=4193 Considering the volume of stuff it would be a shame to see it lost like that. For those not interested in hitting eBay, I've copied the auction text below: IMS 8000 S-100 computer system This computer has a Z-80 processor, 64KB (128KB?) of RAM, and dual half- height 8" DSDD floppy drives. The 8" drives were replaced about 5 years ago; the machine has seen little use since then. Some assorted spare boards are included, as are about 500 floppies including master disks for CP/M, CP/M Plus, MP/M, PL/I, and lots of other software. A manual is included, and notebooks containing BIOS listings and notes on drivers. Industrial Micro Systems made systems of legendary reliability, and this machine, over 20 years old, is no exception. I used it a couple of months ago, and it worked perfectly. However, I'm short of space, so this piece of equipment needs a new home fast. It is large and heavy, with wooden sides and a steel chassis. I will not even attempt to ship it. The auction winner must pick it up in Sterling, Virginia. If there are no bids, the machine and disks will be taken to the Loudoun County, Virginia landfill. Please note: I have nothing to do with this auction, the seller or the merchandise. I am just trying to prevent the loss of an interesting artifact. If someone is local and can pick it up but isn't interested in keeping it, I _might_ be able to pay for shipping (at great risk to my health - my next computer might be my last if my wife follows through on her threats! :) Erik Klein www.vintage-computer.com/vcforum The Vintage Computer Forum

21 years, 5 months

Tektronix storage display/terminal manual

by mhstein＠canada.com

Seems to me I read about someone acquiring a Tektronix storage display terminal; I had one of those years ago with ambitious plans to turn it into a storage scope which never came to anything, so out to the curb it went. However, a friend who worked at Tek at the time was kind enough to obtain a service manual and some spare boards for me (alas, the CRT was defunct) and, although the boards are probably gone, I believe I still have the manual somewhere, so if anybody needs one, send me the model number off-list and I'll try to find it and see if maybe that's the one. No promises though :) Also a binder of TekNotes from the 70's somewhere. (I think I promised it to Sellam many moons ago, but I'm sure he won't mind if I make a copy; besides, this would give me extra incentive to look for it). Almost two years ago I sent a stack of IBM unit record equipment manuals and wiring diagrams to someone (who shall remain nameless - you know who you are :) with the understanding that he would make them available on the Web; if they are, I haven't found them (and my apologies), but now I'm reluctant to give away fairly rare original manuals. m

21 years, 5 months

IBM Displaywriter

by art＠gardnerbusiness.com

Jim Kearney, I would like to purchase an IBM Displaywriter. Can you help? Thanks Arthur S. Gardner Gardner Business Services 866-321-6611

21 years, 5 months

Mac G5 / moving to OS X

by sml49＠comcast.net

>> If your a current mac user the g5 WILL be alot faster then what you > have, >> if your an Intel user I dont see a rush to buy anything made by apple. > If >> your a unix geek you might want a G5 just to say you own one and make >> fellow geeks unworthy of your presence. > >> The funny thing is mac users who laugh at PC guys upgrading their > hardware >> every year are now doing the same thing, except its alot more costly > for >> them buying complete new machines while PC users just chuck the >> motherboard/ram/video card in their old rig. This upgrade cycle of >> hardware will eventually kill the mac market because only the very > rich >> can keep up. What percentage of mac owners are using OSX? What > percentage >> will upgrade to a current OSX running machine anytime soon? That's not quite the case. Macs have a considerably longer useful life than PCs, generally, and are indeed upgradeable. I just took my January 1999 model Blue G3/400 desktop, swapped the 8.5 GB Ultra2Wide SCSI disk subsystem for a fast 200 gig Maxtor and an ATA 133 card, slipped in an 800 mhz G3 CPU daughtercard and installed a Radeon 7000 instead of the OEM Rage 128 and a LiteOn 52x CDROM instead of the old Matushita 24x (I already have an external 1394 burner) and a Kensington 3-button Studio Mouse. Runs OS 10.26 like a charm. Sure a G5 would be faster but this setup handles a heavy duty OS10.26 without any strain, web pages render in a flash etc. Plus this one will still boot OS9 directly and I can use my old ADB keyboard of which I'm fond. I figure on getting a year or two more out of this machine by which time I may just buy a laptop and use the G3 for a file and web server. I would've LIKED a new machine, but didn't NEED one. Of the four households in this immediate family 3 are on OS X; only my 87 year old father in law doesn't want to upgrade his 1998 rev A iMac and install it. That's 75% penetration. Also the G3/400 daughtercard I removed is now installed in what was formerly a Beige G3/266 I keep at work as a scanning station. That leaves me with a spare ZIF G3/266 daughtercard. Anybody need one? Seth Lewin

21 years, 5 months

OT-- need plans for a wireless switch

by nerdware＠ctgonline.org

I'm posting this here because, on the average, you guys are pretty smart. I'm trying to put a push-to-talk switch on the steering wheel of my car so I can key the 2-meter ham radio while keeping both hands on the wheel. I've got a little boom mic and have built an interface box, but how to mount the switch has me stumped. I picked up one of the velcro aircraft ptt buttons, which mounts nicely, but even with the relatively short turning radius of my Subaru it's still a good number of turns lock-to-lock and the coiled cord has a tendency to get snagged in the space between the wheel and steering column. My next thought is to use the aircraft button, but with a tiny transmitter/battery mounted on the wheel, with a receiver mounted under the steering column with a keying relay. Hit the button, the relay turns on, let up, the relay releases. I've been Googling for a while, but most tiny transmitters are either for "spy" audio apps, or are multi-button jobs for garage doors and things like that. All I need is a simple on/off fm transmitter that controls a simple relay on the receiver end, preferably powered by a couple of AA cells or similar, and the transmitter needs to be hackable so I can connect the wheel-mounted ptt switch. Any suggestions? I know this isn't directly related to Classiccmp, but it IS related to ham radio and electronics, and ham radio and electronics are related to hamfests, and hamfests attract computer collectors, so there. I just made the connection. Thanks. Paul Braun Cygnus Productions nerdware(a)ctgonline.org

21 years, 5 months

level0 backups...

by cvendel＠att.net

Hi. I have some tapes, marked /usr level0 unix backup vol1. They appear to have come from an 11/750 (or 780) running UCB Unix 4.1 around 83-84'ish I have tried some commercial PC/WIN software I've used in the past to look at them, but they are coming up unlabelled tapes. If I install some OpenBSD Unix on a spare drive, can I perform a restore >from this format and put the image into some subfolder??? Thanks, Curt

21 years, 5 months

Future uncollectable computers...

by cb＠mythtech.net

>My meager collection includes a Lisa and Next ... Watch the flashing light... your eye lids are growing heavier and heavier. You want to give me your Lisa, you want nothing more than that in the whole world. When I snap my fingers you will awaken and ship your Lisa to me. <snap> -chris <http://www.mythtech.net>

21 years, 5 months

Why is it that it's so easy to kill time, yet so hard to make it?

by ian_primus＠yahoo.com

Argh! I have had almost zero free time as of late. I have been busy with work, and on top of that, I have been sick. I have way too many things going on at the moment and nothing seems to be getting done. I'm trying to get caught up on email and various other things. To all the people that wanted to buy something from the basement sale, don't worry, I haven't forgotten about you, although your request may be buried in several feet of spam at the moment. I have been attempting to get my workshop to a point where I can actually work, and get things ready to ship out. In the process of cleaning, I have found many interesting things, like, for instance, my workbench. And the floor. Also, I have another heap of things that I really don't need, and I'll post that list once I get previous requests taken care of. Also, I have acquired a couple of new things for my collection, but I haven't had the time or space to play with them yet. Anyway, sorry for my apparent disappearance from the face of the 'net, I'm trying to get caught up... Ian Primus ian_primus(a)yahoo.com

21 years, 5 months

Future uncollectable computers...

by Robert_Feldman＠jdedwards.com

In the business sector, the depreciation schedules written into the tax codes provide an incentive to replace hardware every 2 or 3 years, whether or not said hardware needs replacing. Back on the topic of this thread: wouldn't _ANY_ computer become collectable at some point, even something like a Packard-Bell, as, say, an example of an early-1990's commodity PC? Not that everyone would want one in their collection. Among the slide rules I own and have used are nice laminated bamboo K&E and Post examples, but I also have a plastic "clone" and a simple wooden no-name model. Perhaps the thrust of the original question should be "future inoperable or unrepairable computers..." Bob -----Original Message----- From: R. D. Davis [mailto:rdd@rddavis.org] Sent: Monday, July 21, 2003 10:55 AM To: cctalk(a)classiccmp.org Subject: Re: Future uncollectable computers... <snip> Something about all of this upgrade mania makes no sense to me. Upgrading just for the sake of upgrading seems rather pointless. <snip>

21 years, 5 months

Interdata Model 70 on eBay

by uban＠ubanproductions.com

There is an Interdata Model 70 on eBay, which is going soon. I would be interested in this, but I am out of time, space, and money. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2741450706&category=1247 I have no affiliation with this auction, yada, yada, yada... --tom

21 years, 5 months

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test-drb July 2003