[Coco] Re: ADOS-3
robert.gault at worldnet.att.net
Wed Jan 18 10:09:25 EST 2006
It is simple to use a 27128 EPROM with a standard Tandy controller. It
is also possible to use larger EPROMs in analogous fashion.
Look at the attached .gif
Bruce W. Calkins wrote:
> Yes, BUT, you need to provide one more address line. Somewere on-line I
> once read what trace to cut and where to place the jumper. With last week's
> hard drive crash, I doubt I can find the page, if I did save it.
> Bruce W.
>>To the list: Will an FD502 take a 16K ROM? IIRC, it was the only RS
>>controller that could take a 27c64 28-pin chip, but I don't know what it
>>would take to get a 27c128 shoehorned into one...
>>Roger "Merch" Merchberger
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