test-drb May 2007

test-drb@ccmp.vtda.org

235 participants
483 discussions

A local computer history group for my area . . .

by dgreelish＠mac.com

>> From: "Chuck Guzis" <cclist at sydex.com> >> Hi everyone, I have just started up a user group in my area to get >> together once a month and enjoy old computers and the history, etc. > David, some folks local to your area who are also on this list might > be more interested if you could nail down what you mean by "old". To > some, a Commodore 128 is "old"; others wear socks older than that. Hi Chuck, as a general guideline, I'm a big fan of the ten year rule, though I'd generally be weary still of anything PC based that is Pentium III and newer, and/or Win95 or newer. Thanks, David David Greelish classiccomputing.com The Classic Computing Podcast Home of Computer History Nostalgia Stan Veit's History of the Personal Computer Audio Book Podcast

17 years, 1 month

A local computer history group for my area . . .

by dgreelish＠mac.com

17 years, 1 month

sun4m floppy drive in a macintosh

by dgriffi＠cs.csubak.edu

In my hands is a floppy drive pulled from a Sun IPC: a Sony MP-F17W-F1. Looking at Ebay, I see a floppy from a Macintosh: Sony MP-F75W-02G. Would this IPC's drive be acceptable for a Mac? -- 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?

17 years, 1 month

ET-3400A Schematic needed

by whipaway＠yahoo.com

Hello to All on the list, I need the schematic for the ET-3400A, which is different from the original ET-3400, which I already have. I have an ET-3400 that does not have the MCM6830A ROM. I have a ET-3400A that uses the 8316 ROM and one that uses a 2716 EPROM, which are interchangable. I want to create an interface circuit that will allow me to use a 2716 EPROM in the ET-3400. A schematic for the ET3400A will really be appreciated. Thanks in advance, whipaway at yahoo.com --------------------------------- Park yourself in front of a world of choices in alternative vehicles. Visit the Yahoo! Auto Green Center.

17 years, 1 month

Early MSC HD controller

by cclist＠sydex.com

I've posted a photo of my Microcomputer Systems Corporation SA4000-to- GPIB disk controller PCB here: http://www.sydex.com/durango/msc1088.jpg This is a large board (12"x19")that contains mostly 74LSxx logic. The two 24-pin cerdip packages at the top left side are AM2506DC 4- bit ALUs; the 28-pin package below them is a N8209 (Signetics) 64x9 bipolar RAM. The 40 pin package to the left of them is an Intel 8291 GPIB talker/listener. The Just thought I'd snap a photo before it went back into its box. The documentation for the board (just command definitions) is dated 1979. FWIW, Chuck

17 years, 1 month

NETRONICS ELECTRIC MOUTH documentation/software wanted

by wh.sudbrink＠verizon.net

Hi, I have one of these cards that I'd like to demo at VCF East this year. Does anyone have docs and/or software for it? Thanks, Bill No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.467 / Virus Database: 269.6.8/800 - Release Date: 5/11/2007 7:34 PM

17 years, 1 month

ftp archives disappearing?

by aek＠bitsavers.org

> Has anyone else noticed that ftp search services like archie seem to > have disappeared The web as subsumed all of this, in an inferior fashion, IMHO. You will notice that bitsavers looks exactly the same as it did as an anonymous ftp site on its previous host. > Should we be working to archive large FTP software repositories? Absolutely! And try to find old backups that you have. Make sure to use something that can preserve file dates of the files. The old recursive ftp programs didn't do this.

17 years, 1 month

Manuals being scanned

by aek＠bitsavers.org

> If you have any comments I would like to hear them. OK, I've downloaded some of them now. They are some of the ugliest, bloated pdf's I've ever seen. What are you doing to them to make them look so BAD. "Control Data-Cyber 70 Computer Systems Models 72,73,74,6000 Computer Systems.PDF" for example, appears to have a mix of six different fonts on a single line, where there should be one. The titles are poor. "IBM System-360 Operating System.pdf" is a program logic manual for the Fortran IV graphics programming services. At a minimum, you should have the document part number, date, and the REAL title. Y27-7152-0_F4_Graphic_Programming_Services_Program_Logic_Sep67.pdf provides some useful metadata Look at http://bitsavers.org/pdf for 10,000+ examples of how this SHOULD be done.

17 years, 1 month

USB drivers

by aek＠bitsavers.org

> A few weeks > ago I bought a few USB serial port adapters, and they work fine on a > variety of PCs running various versions of Windows. Not, though, on a > Mac, which doesn't even see them. Did they 'just work' or was a driver downloaded off the net to make them work? The curse of Windows is every vendor doing things their own way, and the need for thousands of incompatible drivers. You can extend this to USB drivers as well. A USB async adapter can be implemented a bunch of different ways, going as far back as Anchorchips devices that squirted code onto the adapter, up through the current reduced cost devices that barely offer any tech docs on how they work. Vendors really only care about Windows support, and grudgingly give out info to driver writers (or they have to reverse engineer the hardware to do it). They also want to lock you into their device, so they have no interest in common drivers. Getting back to the original topic, as long as the protocol for the floppy adapter is documented so that people can write USB drivers for it for other platforms, it should not be an issue.

17 years, 1 month

What's the classiccmp IRC address?

by evan＠snarc.net

I lost it.

17 years, 1 month

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test-drb May 2007