test-drb February 2002

test-drb@ccmp.vtda.org

293 participants
1043 discussions

by mythtech＠Mac.com

>> >Now, what about the face plate? >> >> More Duct Tape? >> >You forgot the cardboard... I was thinking... remove the front plastic from the CD tray, then stretch duct tape across the opening for the CD bay. Cut a slit into the tape that lines up with the CD tray. Let it eject thru the slit in the tape... you've got a "poor man's slot loading CD". :-) -chris <http://www.mythtech.net>

22 years, 5 months

What's your specialty?

by mythtech＠Mac.com

>> More Duct Tape? >Very good grasshopper! Very soon you too will master Improvisational >Manufacturing... Humm... now I think I want to take one of the LC5xx machines sitting in my garage, and recase it... entirely with duct tape! (if I wrap enough of it into tubes, it should be able to support the weight of the CRT... although, I might have to cheat and use small dowels under some of the tape) I wonder how the tape will hold up with the heat put out by the Mac. Think it will stay strong enough? I would think... it usually is cleared to 600 F, which should be way more than the Mac generates (although it is NOT sturdy enough to wrap around the front pipe of an exhaust system to try to close a hole to make it thru inspection.... 5 minutes after starting the car, it smoked itself clean off the pipe) -chris <http://www.mythtech.net>

22 years, 5 months

What's your specialty?

by mcguire＠neurotica.com

I mainly specialize in DEC stuff, single-board computers, and supercomputers. I have "sub-interests" in older systems from SGI, Sun, NeXT, Tandy, AT&T, IBM, and some others. My DEC interests lie in the pdp8, pdp11, and VAX line. I also hack lots of Alphas, but they're more current "production" machines for me. The only pdp8 model I've owned is the 8/e, but I hope to change that someday. I've owned pdp11/03, /04, /05, /23, /24, /34, /44, /60, /70, and /73 machines, and have all of them now except for the /60 and /70. I've owned VAX11/725, /730, /750, 8250, 8350, 8700 and many different 4000-series machines. I currently have a /730, an 8350, and several 4000s, and I'll be getting another 11/725 later this week. I really dig SBCs. I have many eval boards for various processors >from the 70s...8085, Z80, 6502, 6800, 2901...as well as one bizarre eval board for the MIPS R2000 and a few 68000s. Supercomputers are my favorite. The "collectible" ones that I have currently are two Cray YMP-EL98 systems, an EL94, and an EL92. These machines are nearly ten years old but are still fast by today's standards for floating point applications. I also have a Cray J90, which is a much more current "production" machine and not really a part of the "classic" collection. All of my machines are functional (but not necessarily currently assembled) save for the pdp11/05, /44, and one of the YMP-EL98s. I am currently looking for an AT&T UnixPC (though it looks like I've found one!) and a TRS-80 model I. -Dave -- Dave McGuire St. Petersburg, FL "Less talk. More synthohol." --Lt. Worf

22 years, 5 months

PDP8 Terminal info?

by kris＠catonic.net

I have a few terminals with "20 ma" connectors on the back and have seen a PDP8 with such as well. Can these two be connected wire-for-wire and work, or do I need other hardware? (PS: Terminals are Wyse-85 and DEC VT220) -- Kris Kirby, KE4AHR | TGIFreeBSD... 'Nuff said. <kris(a)nospam.catonic.net> | IM: KrisBSD | HSV, AL. ------------------------------------------------------- "Fate, it seems, is not without a sense of irony."

22 years, 5 months

Computer Museum of America on Tuesday night's PBS NOVA (fwd)

by csmith＠amdocs.com

> -----Original Message----- > From: Doc [mailto:doc@mdrconsult.com] > The last time, a 43P came back with an administrative password and a > boot password set on the firmware. As nearly as I can find out, even > removing the clock battery won't unset the admin password. > Fortunately, > I did the classroom setup and knew where that box was, so the teaching > facility knew which student to lean on. The admin password > was fuckyou. You mean it didn't _leave_ with an administrative password and a boot password? :) Anyway, you could boot to single-user mode to remove the administrative password. The boot password would be the problem. Can you bypass that with the key? Chris Christopher Smith, Perl Developer Amdocs - Champaign, IL /usr/bin/perl -e ' print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n"); '

22 years, 5 months

Western Electric IC part numbers?

by erd_6502＠yahoo.com

I have a number of boards with "WE" part numbers on the chips - some came >from a 3B15, some from a PBX. I was curious to cross-reference the WE part numbers for common logic so I could have an idea of what any of these boards are doing. I doubt any collectors in the "real world" have something as proprietary as a 3B15, but if I'm wrong, I have some boards I don't have an immediate need for, but I don't know what they are. -ethan __________________________________________________ Do You Yahoo!? Send FREE Valentine eCards with Yahoo! Greetings! http://greetings.yahoo.com

22 years, 5 months

What's your specialty?

by DAW＠yalepress3.unipress.yale.edu

> ---------- > From: Doc > Reply To: classiccmp(a)classiccmp.org > Sent: Wednesday, February 6, 2002 4:39 PM > To: 'classiccmp(a)classiccmp.org' > Subject: RE: What's your specialty? > > On Wed, 6 Feb 2002, David Woyciesjes wrote: > > > Now, what about the face plate? > > You mean Apple shipped those boxes with *face-plates*??? > > Doc > Eh, face plate, trim piece, bezel, whatever you call it... Yer pickin' on me, aren't ya? :) --- David A Woyciesjes --- C & IS Support Specialist --- Yale University Press --- mailto:david.woyciesjes@yale.edu --- (203) 432-0953 --- ICQ # - 90581 Mac OS X 10.1.2 - Darwin Kernel Version 5.2: Fri Dec 7 21:39:35 PST 2001 Running since 01/22/2002 without a crash

22 years, 5 months

The importance of showing ALL of the code in C

by Antonio.Carlini＠riverstonenet.com

> Fred Cisin (XenoSoft) write: > >With, OR WITHOUT, an MMU, it is legal C code! Legal in the sense that the compiler cannot spit it out. It does not, however, have an implementation independent meaning (i.e. different things can happen on different platforms). > int A[10]; > int N; >. . . > A[10] = 0; >will NOT generate a runtime error. While A[10] has a clear meaning (the next int in memory after A[9]) that doesn't mean that: (a) you have any idea which (if any) of your other variables may be trodden on (in particular there is no way you can know where N will be in memory in relationship to A[]) or (b) that you cannot seg fault under some circumstances on some machines (as a simple example, consider the case of an embedded system where A[9] happens to land at the exact top of your accessible memory). Antonio

22 years, 5 months

N* MDS-AD3 disassembly (LONG!)

by r.stek＠snet.net

Bill - I'd be happy to send you some CP/M boot disks and/or N* DOS disks already set up for the Sol - I believe that some if not all of them have the CBIOS source included. Bob Stek Saver of Lost Sols

22 years, 5 months

What's your specialty?

by csmith＠amdocs.com

> -----Original Message----- > From: Alex White [mailto:meltlet@fastmail.fm] > Please, a VAX in the UK. Please. > (the girlfriend requests that I ask for a MicroVAX...;) Maybe you'll get lucky and find one in at least a BA123, or a "this is a MicroVAX?!?!" that's been rackmounted with all of its external peripherals... Chris Christopher Smith, Perl Developer Amdocs - Champaign, IL /usr/bin/perl -e ' print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n"); '

22 years, 5 months

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test-drb February 2002