ruud.baltissen_at_abp.nl
Date: 2007-01-09 11:40:13
Hallo Per,
> The SX-64 has a 28-pin ROM socket with a 2564 ROM, and not a 2364 like
> the standard C64. You can plug a 2764 straight in, no adapter needed.
Now you mention it, I vaguely remember something like this. But AFAIK these 28-pins sockets are equiped with the 'standard' 2364 ROMs, thus leaving the 4 top pins free.
OTOH I just found the pinouts of the 2564 (never saw them before) and it seems that it covers the pinout of the 2364. Now it is up to Bill to decide what he wants. But I think he is sound asleep right now so we have to wait a bit :)
Nicolas just confirmed the above. I'll check my stock of 2564's. I know I have some, maybe more then just some, but having no use for them I put them somewhere. If I have to program an EPROM, I prefer using a 2564 above a 68764 as I can use these in C64, VIC-20 and 1541 and Have no other use for the 2564.
Hmmm, I withdraw this last statement. With a bit of soldering some lines between some pins I can place a 2564 also directly in a 2364 socket! Again I did learn some thing today :)
For Marco: if you can miss one or two, you would make me happy!
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