test-drb May 2002

test-drb@ccmp.vtda.org

246 participants
947 discussions

by torquil＠rockbridge.net

Heya, Does SGI have a timeline or anything up anywhere. I am wondering what the first SGI workstation was(R2000 right?). I know they made terminals before that, But i am just wondering about workstations. Thanks, Torquil MacCorkle III Lexington, Virginia

22 years, 8 months

[CCTALK] Fw: VAX Hardware Anyone?

by rschaefe＠gcfn.org

Maybe someone will want to talk to this guy (not me) about his kit? Bob ----- Original Message ----- From: "Les Flodrowski" <les(a)uwo.ca> Newsgroups: comp.sys.dec Sent: Thursday, May 16, 2002 04:09 PM Subject: VAX Hardware Anyone? > We have a dual VAX 4500a (4000-500a) cluster to dispose of. > > It consists of the following components: > > - 2 VAX 4500a systems clustered with the following storage arrays > - R400X DSSI Storage cabinet with 6 x DSSI 1.0GB - 1.6GB drives > - StorageWorks cabinet with 3 x 4.3GB SCSI drives > - TX87 DLT Tape drive > - TU81 Plus Magtape drive > - VAX 4500a system complete spare > > At this time we are simply trying to find out if there is > any interest in the community for these systems. If you are > interested, and would like to make a serious offer, please > contact me. > > BTW, we also have all media and documentation for VAX/VMS and > a number of related applications. > > --- > > Les Flodrowski, les(a)uwo.ca > Phone: 519 661 3595 > The University of Western Ontario > > >

22 years, 8 months

[CCTALK] testing

by jwest＠classiccmp.org

Skipped content of type multipart/alternative

22 years, 8 months

[CCTALK] RE: scanners & circuit boards..

by dougq＠iglou.com

>> I'd be more concerned with accidentally scratching the >> glass bed of the scanner due to sharp component leads. > > You can't scratch glass with metal. What you can do is leave > a thin trace of metal on the glass. Gewelers rouge will easily > remove this is nothing else will. >> >> I guess that there is a slight possibility of degrading the >> contents of an EPROM if its window isn'tcovered. > > Glass is opaque to UV so you won't erase EPROMs either. EPROMs don't have UV-opaque glass windows, they have UV-transparent quartz windows. So they can be erased, but not by casual exposure. Regards, -dq

22 years, 8 months

[CCTALK] Re: Keycap cleaning strategy

by fmc＠reanimators.org

I do this sort of thing for Northgate Omnikey keyboards. Two paper towels, folded on the perf, to the left of the sink. One margarine dish in the sink. Fill margarine dish with hot water. Add a little dishwashing goop (I use Palmolive because it's there). Pull some key caps from the keyboard. Put the caps in the margarine dish and swirl them around. Let them soak, while you pull the next batch of key caps. Remove and scrub with a sponge one cap at a time, shaking the cap to remove any excess water before sitting it face down on the paper towels to dry. Repeat 'til done. You'll probably need to move the paper towels (before they get too covered with caps) and fold another set, maybe twice or three times to get through the keyboard. Be careful when pulling big caps, they usually have some supporting widgetry that can go flying when the cap pops off. While the caps are drying, you should take the keyboard the rest of the way apart to blow out any dust and detritus and scrub the casework (again, dishwashing goop and water, maybe stronger stuff if needed). Let it all dry before putting it back together. Once cleaned, I generally wrap a keyboard up in a 13 gallon kitchen garbage bag to keep it mostly free of dust and critters. Cables can be coiled up inside the bag too. (Yes, I have a supply of spares... I use these keyboards!) -Frank McConnell

22 years, 8 months

[CCTALK] Re: [CCTECH] / JUNK FEST

by steven_j_robertson＠hotmail.com

> > I've seen a couple of cctech messages passed over to cctalk > >as well, so I've gotten two copies of those. I also sent a message > >just to cctech earlier and it errored out for moderator approval > >because the software complained about a blind cc: being addressed to > >cctalk, though there was none included on my end. > > I got one of those too. It also said that my message was rejected but it >wasn't. I sent Jay a note about it already. OK... Now I see what's happening. I received a rejected notice earlier because I have opted out of the CCTALK list. My posts will appear in CCTECH but, not in CCTALK and I'll get a rejected notice from CCTALK for each post. I can live with that. It's certainly better than all the noise I was getting previously. To keep the message on topic: I am still undecided about the Junk fest tomorrow in Orlando. I have a potential scheduling conflict and might have to pass.. See yas, SteveRob _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp. _______________________________________________ cctech mailing list cctech(a)classiccmp.org http://www.classiccmp.org/mailman/listinfo/cctech

22 years, 8 months

[CCTALK] EPROM Life... Was: scanners & circuit boards...

by dwightk.elvey＠amd.com

>From: "Corda Albert J DLVA" <CordaAJ(a)NSWC.NAVY.MIL> > >Now, I don't know the construction/nature of the tubes used >in scanners, but I myself would be wary of photocopying or >scanning a PC board with an unprotected (i.e. uncovered) EPROM >window face-down on the scanning surface. My reasoning is >as follows; > >Although a fluorescent tube in good condition shouldn't emit >much UV, one has to remember the way such a bulb functions. >The excited gas inside the tube emits almost entirely in the >UV spectrum. This is converted to the visible spectrum by the >phospor coating on the inside surface of the tube. Over time, >I have seen some of the coating flake off the inside of old >flourescent tubes, providing a bunch of small UV "windows". The fluorescent tubes used in offices usually have ordinary glass and in plastic fixtures. I would suspect that the 3 year period is rather pessimistic. Many scanners use halogen lamps. These produce quite a bit of UV. Infact, a bare halogen lamp can be used to erase EPROMs with a fan for cooling. It won't be fast but it will erase. The glass plate in a scanner still blocks much of the UV light that would cause damage. I wouldn't think that running it through a scanner would remove more than about a months worth of normal aging at most. Covering them is simple and makes good sense. Still, it is a good idea to store good data from EPROM's in a different form. I always make both a *.BIN file and a printout of any of the EPROM's and most of the ROM's that are in my older equipment. Cosmic rays will eventually erase any EPROM is leakage doesn't do it first. I have some 1702A's that were programmed over 20 years ago that are working fine ( around 1972, almost 30 years ). On a side note, ceramic packaged parts will also scratch glass. Dwight

22 years, 8 months

[CCTALK] [CCTECH] scanners & circuit boards...

by dwightk.elvey＠amd.com

>From: Tothwolf <tothwolf(a)concentric.net> > >On Thu, 16 May 2002, Davison, Lee wrote: >> Tothwolf wrote: >> >> > I'd be more concerned with accidentally scratching the glass bed of >> > the scanner due to sharp component leads. >> >> You can't scratch glass with metal. What you can do is leave a thin >> trace of metal on the glass. Gewelers rouge will easily remove this is >> nothing else will. > >Are you sure? I've scratched glass with metal before, though not with a pc >board. Most component leads (excluding some of the newer resistors and >capacitors) are made of a tin plated copper or a copper alloy anyhow, so >it would seem that they would be less likely to damage something than say, >steel. > >Since we are talking about scratched glass, do you have any ideas on how >to remove scratches from the face of a CRT? Hi Jewelers rouge will remove scratches from glass. It does depend on the depth. The reason I know this is because I am also an amateur telescope maker and rouge is a common material used to polish glass. If the scratch is deep, you'll need to grind with something like 15 or 5 micron aluminum oxide. You'll note that both rouge and aluminum oxide are both oxides of common metals. These are harder than glass and can scratch glass under the right condition. Also, carbon steel wheels are used to scribe glass ( but this isn't scratching, it is fracturing so this doesn't count but the results look the same ). Contact me off group and I can help with your CRT problem. Dwight

22 years, 8 months

[CCTALK] pitching stuff off rooftops

by Gary.Messick＠itt.com

> -----Original Message----- > From: Innfogra(a)aol.com [mailto:Innfogra@aol.com] > Sent: Thursday, May 16, 2002 3:07 PM > To: cctalk(a)classiccmp.org > Subject: [CCTALK] pitching stuff off rooftops > > <snip> > After cleaning the street up of the first items we moved to the 4th floor where we had 60 Wang > Terminal tubes to dispose of. These did not jump out of the dumpster. The fall from the 4th > floor was not as great. They made a great pop when they hit the dumpster. It was a noisy > morning. > > The Wang 2200 tubes were over 10 years old so it fits the criteria of the list, not to mention ^^^^^^^^^ AAIIIIIEEE!!!! (How could you?) > this was also in 1989, more than 10 years ago. It was before we realized the potential toxic > hazard we were unleashing. <snip> ************************************ If this email is not intended for you, or you are not responsible for the delivery of this message to the addressee, please note that this message may contain ITT Privileged/Proprietary Information. In such a case, you may not copy or deliver this message to anyone. You should destroy this message and kindly notify the sender by reply email. Information contained in this message that does not relate to the business of ITT is neither endorsed by nor attributable to ITT. ************************************

22 years, 8 months

[CCTALK] FW: DEC Cards and chassis available Toronto Canada...

by DAW＠yalepress3.unipress.yale.edu

***Found this during my daily perusal of select newsgroups... Reply directly to this guy. Subject: Cards and chassis available Date: Thu, 16 May 2002 02:03:18 GMT From: "Don" <nospam(a)for.me> Org: Shaw Residential Internet Newsgroups: comp.sys.dec I'm moving and I have to lose a bunch of DEC stuff before mid June. Come and get it and save it from the dump. It is in the Toronto Canada area. Mail me for further details. DEC stuff =========== * all counts are approximate, some parts are in rough shape, some do not work 12 BA Chassis DEC part 630QZ-AX 1 spare power supply for above 5 KOM chassis 1 set of binders RSX 11M version 3.1 1 Digital Microcomputers +Memories Handbook 1982 1 TU-56 dual tape drive and some tapes (it works) 1 quad height extender card (used to troubleshoot cards) 2 dual height extender card 9 MXV11 M8047 (ROM and 2 DL) 6 DZ KOM version 20 DZ (made by DEC) 1 dual height memory 2 quad high memory 4 RCC cards (custom part) 3 11/23 cpu 8 11/73 cpu 3 M9400 terminator + rom misc other Contact me at dgreer6146-at-shaw-dot-ca Don -- --- David A Woyciesjes --- C & IS Support Specialist --- Yale University Press --- (203) 432-0953 --- ICQ # - 905818 Mac OS X 10.1 - Darwin Kernel Version 5 Running since 01/22/2002 without a crash

22 years, 8 months

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test-drb May 2002