[Coco] PART NEEDED

jdaggett at gate.net jdaggett at gate.net
Sat Aug 11 12:38:46 EDT 2007


On 11 Aug 2007 at 7:11, Bruce W. Calkins wrote:

> The ROMs on the CoCo 1 and early (Non A & B models) CoCo 2s were a
> Motorola specification chip and not directly compatible with the 27XX
> line of EPROMS. If you can get a supply of their EPROM equivalent and
> a programmer for them you might be able to bootleg a few.
>

The original ROM  parts were MCM68365/MCM68366 by Motorola and are 
not pin for pin compatible with the TI 2732. There use to be a wiring change 
and/or adaptor for using 2764s in the Early Cocos. 

james



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