On 10/16/23 19:28, didier_at_aida.org wrote: > I 'll try to find a spare PLA, Video chip and SID... There are 2 different kinds of the 64pin PLA: 251715-01 PLA C64C (64pin) 252535-01 PLA C64C (64pin, integ. Color RAM) The first one is easier to find, but doesn't fit your board. But they are both CMOS, stay cool and hardly ever go bad. Gerrit > thanks to all > > > > > On 16/10/2023 18:36, Gerrit Heitsch wrote: >> 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 20:00:21
Archive generated by hypermail 2.3.0.
