test-drb October 2008

test-drb@ccmp.vtda.org

235 participants
330 discussions

Welcome to HP Computer Museum - Discussions!

by jimgeneva＠dorisland.net

Hello group: Just a not to let everone know that the discussion groups are back at one of the Best OLD HP Computer site in the World! great place to advertise HP stuff for sale, buying or giving away. look here http://www.hpmuseum.net/forum/ Jim

16 years, 2 months

MAC SE instability and floppy issues

by jlobocki＠gmail.com

hello all, I have an original Mac SE here, which seems to be giving me lots of trouble. so far im in a new mobo, CRT (I let the magic gas out of the original one, second SE ive done that to!) SCSI and floppy cables, and floppy drive. the weirdest thing happens to it, and right now, im looking at power supply failure as the next logical guess. my problem is, I try to boot up my mac from either internal or external floppy, but regardless of which it is, it will read the disk, and on restart the floppy disk will be corrupted and will need to be reimaged. second, no matter the hard drive I put in it, the mac either will not see it, or it will go through, initialize, then at the end a dialog box will flash really fast on and off, and the computer I/O will lock up while doing this. the other thing that makes me think it is PS failure is the fact that one time i hooked the hard drive in to power while it was running, and when I did so, the fan speed bogged down significantly on spin-up of the drive. is there anyone with pinouts of this PS i can use to test it, or any advice as to what failure points I should check first? I tried google (they say its our friend...) and I get no info as to the voltages of the logic board connector or the like. any help is most appreciated!! thanks

16 years, 2 months

TI990 tape interface mcu question

by jzg22＠drexel.edu

Does anyone have the rom images for the TI990/10 (or other TI990?) cassette interface board? Its mentioned on the archive at bitsavers, yet I can't find a copy of the roms or mcu contents anywhere. Does it use a TMS1000-series mcu or something actually dumpable? -- Jonathan Gevaryahu jgevaryahu(@t)hotmail(d0t)com jzg22(@t)drexel(d0t)edu

16 years, 2 months

The dumpster is here (re: Stuff available for free/donation -> cheap)

by rescue＠hawkmountain.net

The dumpster is here... and I'm prepping for the first pass which I'll be doing this weekend. In addition to stuff I've previously listed, I also have a ton of Sun 411 drive boxes. Most people probably don't want any, but if someone wants a spare power supply, the fan, or the internal scsi cable, a replacement plastic top, etc... let me know... That pile of 411 cases has dumpster written all over it. I still have a bunch of SS10 bare bases. If you want a spare mainboard, power supply, internal scsi cabling, etc... speak up now.... I have one bare SS20 base left (with JPL Y2K 'OK' sticker on the front :-) ). I have a QMS PS810 printer that is going to the dumpster. It is a parts printer. The fuser I think is gone, and the power supply is suspect. The logic board is known good. This printer served to 'rescue' a QMS PS815 (donating it's power supply, fuser, and the plastic 'shell'). Any parts wanted off this (mainboard, etc) let me know. -- Curt

16 years, 2 months

lying on customs forms

by dgriffi＠cs.csubak.edu

I'm a bit annoyed at the latest request that I falsely put a value of $25 on a customs form. At least he's asking before he bids. Would someone in Europe please comment on customs duties and lying on forms? -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

16 years, 2 months

DEC 40th anniversary CD

by aek＠bitsavers.org

> Out of curiousity wouldn't 'dd' on UNIX, or a the following on VMS work? A hybrid disk has multiple sessions recorded on it. On the DEC disk, the first session is a music track, and the second is a 9660 file system with Windows gunk on it. The tarball has everything from the second session. I tried making an ISO image, and it only saves the first session. The content is fairly lame. Some blocky AVI's, and the DEC timeline with low resolution images from the DEC archives, pretty much identical to the timeline that was on the DEC website. The whole thing is about 90mb.

16 years, 2 months

Problems with 2114s

by fjkraan＠xs4all.nl

Henk Gooijen wrote: > Hi Fred Jan, > > are you sure those are 2114's? > Not that I am 100% sure, but to me those are 2111 RAMs, 400 ns types. > > Thanks for pointing out my camera optics are better than the internals ;-). The chips are clearly 2111s, even the schematics agree with this. Making it an even weirder design; 256 bytes of stack RAM. Fred Jan

16 years, 2 months

Fwd: Re: Fwd: HP 9000/300 computers available

by rtellason＠verizon.net

I contacted a friend of mine who lives in Kentucky, and forwarded that post to him. He's not interested in the machines, but might be willing to help out a bit: ---------- Forwarded Message ---------- Subject: Re: Fwd: HP 9000/300 computers available Date: Monday 06 October 2008 18:45 To: "Roy J. Tellason" <rtellason at verizon.net> > > I work in Lexington, so it's not far at all. But, like you, > > I don't have room for those systems. I could assist someone > > in having them shipped somewhere if anyone wanted them > Ok, since you didn't respond to my earlier post and since I have the > feeling from earlier comments that you're not into putting your info out > there the way I do, how about I just take the above and forward _that_ bit > to the list? Then I can take what replies I get and forward 'em to you. > > Will that work for ya? Ok, that'll work. It's been a hectic day at work. I may be a bit slow about getting things shipped out, too. It's beginning to look like I may end up working lots of OT in the next few weeks. Dave ------------------------------------------------------- So, if someone wants those machines, email _me_. I'll batch up the replies and pass 'em along to Dave, to work out whatever he's able and willing to handle with the parties involved. How's that? -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters" - Information is more dangerous than cannon to a society ruled by lies. --James M Dakin

16 years, 2 months

DEC 40th anniversary CD

by aek＠bitsavers.org

The disc is a hybrid audio/isofs, so I wasn't able to figure out how to make an image. A tarball of the isofs part is up now under http://bitsavers.org/bits/DEC/cd

16 years, 2 months

Evolution of Memory Protection and Virtual Memory

by ploopster＠gmail.com

Hi. I'm looking for reference materials regarding very early implementations of virtual memory and/or memory protection. I'm really most interested in exploring the evolution of these features in operating systems. Anyone have any pointers for me as to where to look for this information? Thanks. Peace... Sridhar

16 years, 2 months

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test-drb October 2008