[Coco] Coco 2 question

[Brian Blake]

Mike,
   
  I checked the Coco2 in question last night and it is indeed a 24 pin socket that is empty. I am certainly interested in buying one from whomever wishes to sell...
   
   
  Brian

Mike Pepe <lamune at doki-doki.net> wrote:
  Brian Blake wrote:
> ***Stupid question warning***
> 
> What should I look for when trying to find a ECB rom for this unit? I'll assume for now (until I take it a part and look at a schematic) that the empty socket I can see is where the missing ROM would go. Did R/S use different ECB ROMs in the Coco2's. I've located a couple and would like to be a little more educated on it prior to attempting this...
> 
> Thanks,
> Brian
> 

Depends on the CoCo 2.

If it has an empty 24 pin socket, it'll take a 68764-type eprom. One of 
us here could probably sell you one. I think I have some extras.

If it has a 28 pin socket, that's a little more complicated. you have to 
replace the 2764-type ROM with a 27128 eprom and solder a bunch of 
jumpers on the board.


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