[Coco] Re: ADOS-3

[Robert Gault]

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...

>>

>>Thanks,

>>Roger "Merch" Merchberger

> 

> 

> 


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