trs-80 model II trouble--problem solved..and follow-up
mcguire at neurotica.com
Wed Dec 16 08:36:31 CST 2009
On Dec 16, 2009, at 9:10 AM, Bob Brown wrote:
> Thanks to everyone's advice. You were all right (as was my original
> suspicion)...that it was the video memory.
> Thanks to the pointers on where the video memory was (I don't have
> schematics or other tech info on this system).
> I was able to find the bad memory...and, amazingly, I found that I had
> another 2114 that I could put in (I took it out of my heathkit
> microprocessor-trainer. And it makes the trs-80 work much betta!
Excellent. Good job!
> So...a couple of questions:
> 1) How can I get just 1 2114 that works to replace the one I took
> out of my heathkit? (the place that people pointed-out for buying
> has a $25 minimum..and I don't need that many chips).
There's always eBay..
> 2) What can I do with a model II now? When it is booted into CP/M,
> will it only run CPM stuff specifically for the trs-80 or will it run
> any CP/M stuff that is on 8" floppy?
Most any CP/M software. That's the whole point of CP/M.
> 3) Where can I get some disks with interesting goodies to run on
> the model II? (most of the disks that I have with it have some office
> software and backups of some data...not too much of interest).
Can't help you there..
Port Charlotte, FL
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