test-drb June 2003

test-drb@ccmp.vtda.org

275 participants
520 discussions

by erd_6502＠yahoo.com

Oops... wrong key... I have an SC21 on the way (as I mentioned elsewhere). I have some 10" and 14" SMD drives I could steal from an SI9900, but I'd like to find some lower-power drives to play with - I'm thinking 2BSD on a Unibus PDP-11, so anything from a couple-hundred megs and up would be great. Are there any non-SMD-E drives in the the 5.25" size? Would anyone know where I could pick up a couple? I remember there were SMD drives up to 600MB in that size, but I don't have part numbers and I don't remember the exact interface type (I just remember the ads on Usenet where the seller was warning people that these 600MB-for-$600 drives would *not* work on your PC). Thanks for any help locating some smallish SMD hardware, -ethan

21 years, 2 months

Compaq prolient 1500 dual cpu card

by geoffr＠zipcon.net

I didn't know that any of hte 75's or 90's had the FDIV bug... learn something new everyday At 03:05 PM 6/24/03 -0700, you wrote: > >>Now that's reminded me: has anybody kept any Pentiums with the divide > >>>bug? Weren't they Pentium-90s? > > > > nope, P-60's >I have personally seen a P-90 with the FDIV bug so... > > >To Sleep, Perchance to Dream. For in that sleep of death what dreams may >come when we shuffle off this mortal coil must give us pause

21 years, 2 months

Picked up 3 EPROM programmers - Plus some other goodies

by jrkeys＠concentric.net

Got lucky today and picked the following items: BYTEK Multitrk-2000 Universal EPROM programmer with 3.5 FD in the side with the software diskette in it. BYTEK 135 Multiprogrammer BYTEK MPM-1 Four Microvision games in the boxes with manuals; Connect Four, Mindbuster, Star Trek - Phaser Strike, and Bowling NEC Pinwriter P3300

21 years, 2 months

Realistic MPA-35 owners manual

by kromemail＠shaw.ca

Hi Chris, If you still have an owner's manual for the Realistic MPA-35 I would sure appreciate a copy. Thank you. T. Moore

21 years, 2 months

TU20 on PDP-9

by aek＠spies.com

interesting.. HP 2020's are 7 tracks.. Could you take a look at the head stack? Looks like all they used was the mechanical transport.

21 years, 2 months

Openvms Alpha 3.0 kits now available

by stuart＠stuartsjohnsonfamily.net

For those looking for up-to-date VMS media for you Classic (or other) Alpha's, I just noticed that Montgar has the OpenVMS Alpha 3.0 kits available. Finally! For reference, the URL is: http://www.montagar.com/hobbyist/mount.html Stuart Johnson

21 years, 2 months

Trying to help a new VAX-11/750 owner

by erd_6502＠yahoo.com

A friend of mine at work got the 11/750 recently offered for free in Pittsburg. I don't yet know how it's loaded except for the L0022 mem controller and 14MB of RAM. My friend would _like_ to get a CI750 for it, since he already has an HSJ40 at home. Barring that, he's considering the $$$ for a Unibus SCSI controller. Besides the actual L0009 card, I'm reading that there appears to be an external enclosure to house part of the CI750. My 750s were always a local-disk affairs (UDA50/SI9900/etc). I have no experience with CI hardware and don't know what advice to give him. Can anyone here describe what you need to pull this all together (he already has an SC008 and cables). I'll try to get him on the list... he currently has about a dozen Alpha Servers and is in the process of working backward in time in the DEC world. -ethan

21 years, 2 months

Systems Industries CS-1?

by erd_6502＠yahoo.com

I have this dual-height Qbus card that I was told was a SCSI card (got it from a former boss). It has a 50-pin connector and gives the appearance of being a SCSI card, but I can't find any docs on it online. The logo reminds me of Systems Industries', and the model number appears to be "CS-1". I checked with Al's site and there's no SI docs there at all. There's a good chance that this is a TMSCP device, not an MSCP device, but I don't know that for sure. Is this board familar to anyone? -ethan

21 years, 2 months

Fwd: Monrobot XI details

by dbetz＠xlisper.mv.com

Here is the latest information on the Monrobot XI computers that have become available in Virginia. I'm afraid that while I am quite interested in these, I will probably be unable to acquire one. It seems they are interested in selling them rather than giving them away to good homes. Any reasonable sale price in addition to the considerable cost of shipping a 500 pound machine will probably put them out of my price range. I'm hoping that some public computer collection will acquire at least one of these and make it available for viewing. I would be happy to help in the rescue if anyone here decides to buy one. I would even consider contributing to the purchase and transportation of a machine if it ends up in a publicly accessible museum or collection. Begin forwarded message: > From: FThomas470(a)aol.com > Date: Mon Jun 23, 2003 9:41:17 AM US/Eastern > To: dbetz(a)xlisper.mv.com > Subject: Monrobot XI details > > This is in response to the great interest we've received regarding the > Monorobt XI computers that we have and for which we would like to > find a good home > . > > For disposal, currently we have 6 complete computers plus 1 that has > been > partly cannabilized for parts. > > Each unit consists of a main processing unit which is about the size > of an > office desk and weighs about 500 lbs. It contains all of the > electronics and the > memory drum which has 1000 bytes of 32 bits each. It has 3 input and 3 > output > ports. The circuitry consists of about a hundred unpluggable pc boards > containing readily available discrete components, primarily ordinary > transistors of > several types. > > On the top of the unit is the control panel or console. It has 8 > lighted > push-buttons, switches, and indicator lights. > > A side desk or return can be attached to main unit in several ways. It > holds > the I/O typerwriter and contains a Friden paper tape punch unit and a > tape > reader in slide-out drawers. > > Four units have the original I/O typewriter, which is the IBM model A > with > a Soroban translating mechanism added to it's bottom. It plugged > directly into > the main processor. > > The other I/O typewriters are IBM Selectrics and have an interface > unit. > These don't use the standard ASCII code but use IBM's Manifest > character set. It's > caps only and was designed for use with forms and invoices. Otherwise, > the > Selectrics are standard in every way. > > In addition, we have three Monroe magnetic card readers for the above. > These > used magnetic cards the size of the standard IBM punched card and had > 96 > addressable 32 bit registers. > > The most important fact is that we have a complete set of manuals for > the > above. There are detailed technical manuals on the design and > operation of these > units and the various components, as well as service and repair > information. > We also have manuals for many diagnostic and utility programs as well > as > customer installation manuals. We have instruction and program manuals > for various > applications, such as general accounting, various business programs, > Fortran > and a programming language with compiler. > > The above printed matter consists of roughly 2000 sheets (1000 > double-side) > in loose-leaf form. We have estimates for making copies that vary from > 4 to 6 > cents per side, which would be about $100 per set. > > All of the above units were in working condition when they were stored > away > about 14 years ago and none seem to have been damaged in the interim. > However, > in most units, the slides for the tape punches and readers have been > removed > at some time in the past. These are standard hardware and should be > easy to > replace. > > We have not turned any of them on because the bearings of the high > speed > magnetic drum are delicate. If the lubrication used is solidified or > oxidized in > any way, the bearings could easily be damaged, which could be a > problem. > Before use, they should be cleaned and reoiled with very high quality > oil, which is > not difficult to do. The original specs called for synthetic (or real) > porpoise oil, whatever that is. > > We are offering them for sale and would like to know what the > interested > parties feel they would be worth. We don't wish to start a bidding war > of any > kind, but want only to establish a price for these remarkable, > historic machines > that would fair and reasonable to all. > > Finally, these units are being offered AS IS, and whoever wishes to > have one > or more of them will have to be responsible for the shipping, which we > would > help arrange. > > If you are interested or wish to have more information, please email > us at > thomasduplex(a)aol.com.

21 years, 2 months

National Instruments Cards available

by anheier＠owt.com

I have a bunch of older National Instrument data acquisition cards available. Best offer or trade for older CPU processors. NB-GPIB, macintosh Nubus GPIB card AT-AO-6/10, ISA bus analog output card PC-TIO-10, ISA bus timer/counter card. I have manuals, cables, and signal breakouts for some of these. thanks Norm

21 years, 2 months

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test-drb June 2003