test-drb January 2005

test-drb@ccmp.vtda.org

254 participants
551 discussions

by MGemeny＠pgcps.org

>it's a museum!!! Emulate hardware for display? I agree, I?m running two 2883s on Access under simulation. I run a single 7900 on the TSB E version, and a single 2883 on the F version. The largest real Access system I ever owned/ran had 1 7920 and 3 7900s. What is that, about 47MB. So two 2883s at about 25 MB each would just over the largest real system I ever ran. If you want real drives, the most rugged of them was the 7900, IMHO. The 7920 was fine, but not as tough as the 7900. The 7905 was the one that seemed to me to crash for no reason at all. I always held my breath when I spun up one of those. It seemed as though every time I got one for my inventory I would have one fail on a customer?s site. So I cursed that drive so much that I would never even try to run one on my systems. BTW Jay, Al, I have a set of 2100 Access micro-code. My brother has offered to take a shot at making copies of the ROMs. He did it once before for me in the early to mid 80s. Perhaps if he can make 2 copy sets, we could send one set to Al to be read and archived, and when he?s done have him forward them to Jay to test the copies in real hardware.

19 years, 9 months

Many things

by msokolov＠ivan.Harhan.ORG

vp(a)cs.drexel.edu (Vassilis Prevelakis) wrote: > Since this was running Unix V7 (or smth close), I am > sure you can get a postscript viewer running on it (or a tiff viewer > for that matter), while you'd have no chance in hell of getting > Acrobat Reader for it. This is very close to my original point. > Which gives me a nice excuse to repeat my favorite line: I use open > source software not because it is free, but because I get to keep the > code (so I do not depend on the code author to port the software to > newer/different/stranger platforms). I'm getting a feeling that der Mouse is about to remind us again that one can use GhostScript instead of Acrobat Reader... The problem with GhostScript is that porting it to a Very Vintage platform will likely be more difficult than rewriting it from scratch. I once thought about building it under 4.3BSD-Quasijarus (so I won't have to log into a Linux machine on the other side of the planet to convert PDF to PS), but one cursory look at the code was enough for me to scrap the idea. Open source is of no help when it's unusable. I have pretty much given up on using any software not written from scratch by me. It's almost always easier to write the program I need than to port an existing one. MS

19 years, 9 months

NTSC test pattern generator on VCD?

by cb＠mythtech.net

BTW: I just found this http://www.synthetic-ap.com/products/tpm/index.html If you have a mac, it will generate the patterns for you (single still images) -chris <http://www.mythtech.net>

19 years, 9 months

Many things

by msokolov＠ivan.Harhan.ORG

Computer Collector Newsletter <news(a)computercollector.com> wrote: > Do you mean you use a classic computer as your ** primary ** machine, or just > that you happen to use it ** once in a while ** for your current work? The former. I do not own any non-Classic computers and never will. I do not use any non-Classic operating systems and never will. > RE: people who use classic computers as their primary machine, not including > those of you on the list who work for computer museums -- I'm very curious how > many of you exist. I think, therefore I exist. Cogito ergo sum. > And, do you use classic computers by 1.) choice, 2.) lack > of budget, or 3.) technological need (that is, legacy connectivity)...? 1. > But in day-to-day > 'real life', I can't fathom using anything other than a modern system running > some equally modern version of Unix or Windows. The fact that you can't fathom it signifies nothing but a limitation of your imagination. It is possible and I am the living proof. I believe our Prof. Tony Duell is the same way. > but how do you handle it in the real world Define "real world". My reality is different from yours. > where people may tell you "Sorry, our company only does business in > Microsoft"...? I don't do any business with companies other than to shoot them. I'm a Marxist-Leninist Communist revolutionary. MS

19 years, 9 months

Fwd: RE: Computer Rescue in Massachusetts

by jfoust＠threedee.com

>From: "Marie Proverb" <marigoldp(a)comcast.net> >At 09:41 PM 1/25/2005, you wrote: >>Hello, >> >>We are attempting to find homes for an ancient: >> >>"Commodore 64" ...the keyboard (pcu) was not communicating with the >monitor....some software...probably the manuals...I read that there are >persons who repair and collect these. >> >>Apple II GS; Packard Bell with their respective monitors, keyboards, >printers, manuals and software. >> >>Any suggestions would be appreciated. >> >>Sincerely, >> >>Marie P.

19 years, 10 months

does anybody remember who was building generic front panels.

by bfranchuk＠jetnet.ab.ca

topic says all. I seem to have lost the web link.

19 years, 10 months

machine room organization

by Saquinn624＠aol.com

Does anyone on the list have any good tips for keeping a tidy machine room? I'm sick of tripping over CPUs and dealing with cable Gorgons when switching machines (I don't have near enough space for 1 monitor/keyboard/mouse per workstation). A/B/[C/D/E] switches work great for serial consoles, but not workstations. -Scott

19 years, 10 months

Many things

by msokolov＠ivan.Harhan.ORG

Computer Collector Newsletter <news(a)computercollector.com> wrote: > In his defense... so the guy has a corporate .sig, who doesn't these days? I don't. > You just ignore the lawyers and go on with life. No, don't ignore them, shoot them. AK47 does wonders against lawyers. I have yet to meet a lawyer with any combat skills whatsoever. Lawyers are cowards hiding their sorry asses behind pigs (cops). But there are more of us than there are pigs! If every freedom-loving civilian took a gun and shot the first cop he met, we can get rid of pigs in no time, since there are so many more of us than there are of them, and take our planet back! > Now, as for why he's doing classiccmp stuff from his corporate email account, > that is what I want to know. Ram: get back to work. :) No, Ram doing ClassicCmp'ing on company time is not a sin, it's a very commendable act. Stealing corporate time and giving it to Worthy Causes For The People is noble and valiant. The problem is why is Ram using the corporate mail account?? Ram, install 4.3BSD-Quasijarus on your VAX (you have a VAX, don't you?), get a 56K leased line for it, and E-mail from that! MS

19 years, 10 months

Reading RX01/02 disks on a PC

by vcf＠siconic.com

So I'm in the process of pulling a bunch of files off of some RX02 disks to get them onto a PC. So far (thanks to help from Howard Harte) I've got an 11/44 with an RX02 drive running RSTS that has the DD module loaded. I'm running the serial tape drive simulator on a PC (I forget what it's called or who wrote it). So I can do: COPY DY1:*.* DD0: Which then copies all the files off of the disk into an image file on my PC. Works very nicely, albeit slowly (only 9600bps transfer rate). Is there a better way to do this? I've seen various postings of people getting RX02 drives connected to Linux boxen. How so? Has anyone done this? I also found this: http://www.chd.dyndns.org/rx02/ This is very cool. It's an RX02 simluator (hardware/software) that makes your PDP11 think your PC is an RX02 drive. It would be great if I could read the files from a real RX02 and then dump them into the emulated RX02. Can a PDP11 have two sets of RX02 drives installed at once? If so, do the second set of drives become DY2: and DY3:? -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

19 years, 10 months

extracting H/V sync from sync-on-green video signal?

by julesrichardsonuk＠yahoo.co.uk

does anyone happen to have a schematic for a simple circuit to extract sync information from a sync-on-green video signal? I've got a screen here I'd like to hook up to the Tek (I left the normal monitor I use with the Tek at Bletchley), but it needs either seperate H and V sync lines hooked up, or composite sync - it won't do sync on green (which is all that the Tek provides). I keep on finding sync combining circuits that'll do seperate sync to sync on green everywhere, but nothing to do the reverse! cheers Jules

19 years, 10 months

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test-drb January 2005