test-drb October 2005

test-drb@ccmp.vtda.org

264 participants
655 discussions

by aek＠bitsavers.org

> Do the "professional scanners" here, like Al, have a recommendation for > resolving this? "Why should we pay you, when we get what you do for free?" - John Toole (CHM) It doesn't appear i'll be doing this "professionally" any time soon. -- To answer your question, I scan low contrast color text on a high resolution color scanner and try to maximize contrast before doing the thresholding to black and white. Graphic Converter on the Mac has a number of built-in filters that make it very easy to interactively do this. Once I have the values, I can batch convert the scans using the scripting in GC. There is probably something in the Linux or Windows world that is equivalent, though the tools I've tried there aren't nearly as easy to use as GC. The covers on the Oregon State timsharing system memos on bitsavers was a document that I had to fiddle with to get an acceptable scan. They are brown on dark orange paper, which came out totally black on the IS520 B&W scanner (which uses a green scanning lamp).

18 years, 9 months

Releasing OS/2

by Richard.Cini＠wachovia.com

All: There was a discussion a while ago about IBM killing OS/2 and why shouldn't they release it under some sort of GNU-like license. Well, I think I confirmed an answer. There is an interview in the October 12th issue of PC Magazine between Mike Miller of PC Magazine and Bill Gates, celebrating the 20th Anniversary of Windows. The interview question is talking about the memory management of Windows compared to OS/2 and how Lee Reiswig (former IBM GM) was crashing Windows in OS/2 demonstrations in the early-'90s. Bill Gates continues, "It's all very ironic, because it's most of the OS/2 code is still our code and we're still selling LAN Manager. Whenever we'd go out and criticize OS/2, that group {within Microsoft} would say 'we just took more friendly fire.'" There's the answer as to why IBM cannot release OS/2. I know we alluded to this fact in the original thread but this is the most positive confirmation I've seen. Rich

18 years, 9 months

IBM System/34 with diskettes & documentation available in Iowa

by brother_cadfael＠sbcglobal.net

Lets see... The wall calendar has May 31st as being Tuesday, possible years 1982, 1993, 1999 & 2004 Did 'Express Mail' exist/have that logo in '82? Brian >> Does it come with the broad? >> >> Also, I like the period appropriate fake wood paneling :) > I> suspect the picture itself is period, meaning that broad is now, what, 50? > >Gil

18 years, 9 months

Kaypro boot disk.

by fire＠dls.net

A colleague of mine is looking for a boot disk for a Kaypro 4 '84. He says : "I have a Kaypro 4 (83), Kaypro 4(84), and a Kaypro 10. The boot disks for all three are mutually incompatible. What I still need is a boot disk for Kaypro 4(84)." (These are 5.25 inch floppies, of course. An actual disk would be great, but he says that if somebody wanted to send a disk image, he could work with that, as long as he knew what program was used to create it.) Can anyone email me images of all boot disks or direct me to appropriate web site? I will reimburse postage/disk costs if someone wishes to send physical disks instead of emailing images. Braldey Slavik

18 years, 9 months

Releasing OS/2

by gstreet＠indy.net

> > >Date: Fri, 14 Oct 2005 18:18:11 +0100 >From: Bert Thomas <bert at brothom.nl> >Subject: Re: Releasing OS/2 > > >Cini, Richard wrote: >> >> Bill Gates continues, "It's all very ironic, because it's most >> of the OS/2 code is still our code and we're still selling LAN Manager. >> Whenever we'd go out and criticize OS/2, that group {within Microsoft} would >> say 'we just took more friendly fire.'" >> >> There's the answer as to why IBM cannot release OS/2. I know we >> alluded to this fact in the original thread but this is the most positive >> confirmation I've seen. > >I disaggree on the argument. M$ contributed no 32-bit code to OS/2 as >far as I can tell. IMO it is the 32-bit code that made OS/2 superior to >Windows. BTW, OS/2 has some features that are not available on any other >OS, such as the immense flexibility of running DOS programs. One can >even write special device drivers that emulate a device in a virtual DOS >machine. There are many settings available for VDMs and features like >detecting polling loops to prevent waisting time I have never seen before. > >Check out "The design of OS/2" > >Bert > > Hi Rich and Bert, Rich, thank you for the reference to the 20-year anniv. issue of PC Mag, but regarding Gates: Gates is so slippery that I have to take much of what he says with multiple grains of salt. In several (perhaps many?) respects he's a classic sociopath. He all-to-often takes credit where none is due. He doesn't speak or write well, and if so many didn't believe that he was some sort of "genius," there would be little reason to listen to what he has to say. I mean, this is the guy who initially dismissed the www for probably 2 years. What a knucklehead he can be... He may also be the asshole who started the "Gary went flying" rumor/classic piece of disinformation (and if it was not him, he was "in on it," and he actively promoted it). Regards, Bob Greenstreet

18 years, 9 months

Looking for RL02 cable and terminator

by charlesmorris＠direcway.com

I did find the tech manuals (from classiccmp's mirror of bitsavers). Tony, IIRC it says the early drives *did not* have brushes and later model ones were equipped with them? Incidentally this drive started life as an RL01 but also has a DEC sticker "changed to RL02 by PCO" just to further confuse things. Do you still recommend I not install them? I think that airflow and centrifugal force might be the only safe way to remove particles rather than "grinding" them across the disk platter surface with a brush, no matter how lightly... I think there may also be a "Fault" if the brushes are not parked? Ethan, thanks for the suggestion about using a 40 pin double-ended-Berg cable from inside the drive. I haven't taken the electronics cover off yet. I only have one 8/A and one RL02 so once mounted in the rack cabinet they'll stay there, connected to each other. The 40-pin cable will be, of course, trivial to make IF the pinouts are the same on both ends. Unless someone has the correct RL8A-to-RL02 cable, and a terminator, they would like to sell me? thanks -Charles

18 years, 9 months

(no subject)

by hardware＠ees1s0.engr.ccny.cuny.edu

Dear Community, Does anybody know anything about this Teletype machine: http://ees2cy.engr.ccny.cuny.edu/wwwa/web/hardware/tty/ I can't even figure out what model it is. thanks, -kurt

18 years, 9 months

Toshiba T100 & T300 Manuals

by dm561＠torfree.net

Cleaning out the library; before they go into the dumpster, anybody need/want some manuals for the Toshiba T100 & T300? T100 Personal Computer Owner's Manual T100 Personal Computer Programmer's Reference manual (CP/M & T-Basic) T300 Personal Computer Owner's Manual (incl. Diagnostics disk) T300 MS-DOS Reference Manual T300 T-Basic16 Reference Manual 5 1/2 x 8 1/2, in 3 ring binders. Reply off-list pls, mike (Toronto)

18 years, 9 months

Need help with a BA11-K power supply

by fireflyst＠earthlink.net

Well, I decided to take another crack at getting my 11/34 system working again. Currently I've still got some problems with it - firstly though, the power supply. It blew when I hooked one of the front panel switches up to it, though nothing seemed to be wrong as far as what I could tell from all the diagrams. Right now the disassembled BA11-K box is sitting in my living room taking up space. Now, when the PSU blew, I was able to notice that the spark came >from what LOOKED like the portion that the power cord comes from.I looked at the traces under a magnifying glass, and couldn't see anything wrong, and I can't smell anything. I checked all the fuses, those seem to be sound. In any case, when hooked up to nothing, the fans don't even kick on. Can anyone give me a test process I can go through to diagnose the problem, or would anyone here be willing to look at the power supply for me if I shipped it to them? As it is, I have this dead machine doing nothing and my girlfriend keeps pestering me about it every time she comes over because it doesn't work. In any case, I'd appreciate any help that could be given to me! Thanks! Julian

18 years, 9 months

OFHC Copper, was Re: Public Service Announcement: AVOID "bobsbid1"

by marvin＠rain.org

Pet peeve ... what does OFHC copper have to do with was the subject line????????????? ISTR that OFHC copper had some benefits for certain copper plating baths that resulted in better ductility with the plated copper. A quick google search indicated that OFHC copper has slightly better purity than standard copper (99.00% vs 99.95%.)

18 years, 9 months

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test-drb October 2005