Hi: 30,000,000 sounds high to me. Was this for all TRS-80s or just the Model IV? Does anyone have production figures for the Model 1, Expansion Interface...
The C64 was on the next 25 list. Kinda silly since it caused the home PC/video game war that killed the market in the mid 80's. It wasn't the only machine to...
Mid Atlantic USA - Wilmington, DE Vintage Computer Swapmeet - October 7th. Only one month away! 2800 square feet of hard-to-find "classic" computers...
A few months ago, I asked for help about a wire that got loose inside my M.III Now I'm sure where it goes, but I was told to be very careful working there. ...
Yes. You must use solder. It looks like the center core of a shielded wire that terminates in a resistor that connects to a PCB pad. Aluminium foil has no part...
Extra keys not withstanding, does anyone know if the Model III & IV keyboards are interchangable? I just got a Model IV with keyboard that was pretty much...
Hello Brian ... They are not the same on my model III and 4 (UK 220V versions so it might not be the same in US). ... I would look for some connector for the...
Hi! I'm looking for the following TRS-80 Computers in the Philadelphia/NJ area... 1. A Model I Base Unit. 16k Level II (W/O Power Supply or Monitor is OK) 2. A...
Not in NJ, but in Fort Worth Texas, 76135. Got a (2) Model III, a Model 4, a Model 100, lots of disk and manuals, some cassete tapes etc. Write or call if ...
Hi Neil, Just how does this pertain to TRS80s? Can you elaborate? ... From: Neil Morrison To: M100 List ; Coco on Yahoo ; TRS-80 Sent: Thursday, September 14,...
It's worth noting. It might give a pointer to someone as to how to get an IDE drive to work on one or more of our favorite 8 bit computers - possible simpler...
This unfortunately won't help with the Model III/IV keyboard problem but for anyone on the list in need of a replacement Keyboard for a Model 1 I may still...
I have a Model IV with an added graphics card I'm not using at present. TRSDOS for Model III and IV, DR CP/M 3/Montezuma CP/M 2.2/Pascal Compiler. Contact me...
The keyboads should be the same. I know this because I originally used a surplus keyboard on a surplus Model III motherboard. I have been using it on a Model...
Manuals: http://asub.arknet.edu/wade/wintrs80.htm http://www.trs-80.com/ also see http://www.oldskool.org/guides/tvdog/documents.html D L T are conected to pin...
Neil, Thanks for the info. I had logged on to tell everyone to forget it as I found the problem. Operator error. As in the soldering iron operator. Me. I...
I just made my first 100% working TRSDOS disk, and looking around I found the memtest program. But when I used it, I got a bad checksum for ROM C (2F84) ...
Probably not a problem. IIRC, they changed the checksum for C more than once. Neil ... From: Diego Barizo I just made my first 100% working TRSDOS disk, and...
Yeah, my Model 3 has indicated a "bad" ROM C in Memtest since it was new. Never knew why, but it's never caused a problem I know of. --jim ... From: Diego...
It's been 20 years or more now but I do recall that was the one rom the Shack tinkered with - there were 3 or 4 'correct' checksums IIRC. Neil ... From: jim...
If you are looking for a place to host files (software, books) this may be it. It's a bit annoying but worth it for free perhaps. http://rapidshare.de/ Neil...
FYI http://www.geocities.com/maboytim/ a.. uIP for the TRS-80 Model 3 uIP is a free small TCP/IP implementation for 8- and 16- bit micro controllers and...
I posted this on the CoCo list, but, it's just as good a question here also... Good evening everybody. Just gonna post a quick question to make sure I didn't...
Brian Blake wrote: ... 5.25" 720k isn't a normal PC setting, you mean 1.2MB ... Maybe the bios isn't really supporting 5.25" even if the setting is in the...
Hi This is a 5.25-inch floppy question, too. Regularly, I use a Mod. 4P for data collection. The little keyboard is just what I need for the purpose. At the...
Bob Doerr
bdoerr@...
Sep 30, 2006 6:07 pm
1389
Hi As I might have explained before I also collect old pc's too so I have some specimens I can test with. HP was/is popular with my employer so many of my...
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