On 10/16/23 18:05, didier_at_aida.org wrote: > I checked the mother board, it's written > > PCB ASSY NO 250469 > > PCB NO 252311 REV B > > apparently the same motherboard as this one: > > https://www.c64-wiki.com/wiki/File:C64Cmotherboard.jpg > That's the revision where the color RAM is integrated into that large 64pin IC. The combined BASIC/KERNAL ROM (28pin IC near the CPU) can be replaced by a properly programmed 27128 EPROM if it ever goes bad. Gerrit > > > > On 16/10/2023 14:20, Gerrit Heitsch wrote: >> On 10/16/23 14:06, didier_at_aida.org wrote: >>> Hi :) >>> >>> I just got a c64c in a very good state >>> >>> any idea of the compatibility of the chips between the c64 breadbin >>> and the c64c ? >>> >>> >>> for each machine I have I prepare a box with spare parts... >>> >>> for example I have: 6510, 6569, 6581, 6526 >>> >>> are they usable in the c64c or do I have to find other parts >> >> 6510 is compatible with the 8500 in the C64C. The 6526 in the C64C is >> internally a 8521, but still labeled as 6526 and any 6526 can be used >> in a C64C. But the 6581 SID needs some rework on the PCB if you want >> to use it instead of a 8580. Same goes for the 6569 if you want it as >> replacement for 8565. >> >> Gerrit >> >> >> >Received on 2023-10-16 19:00:14
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