New answers tagged

0

The Mac IIFX used a 64-pin SIMM for its main memory (1MB DRAM was Apple part #661-0548). 28-pin socketed ROM chips (not modules) for the Mac II (original, 1986 model) were #661-0639, -0640, -0641, -0642 if the model had the high density floppy disks, and #342-0639...if the model had the (original) double-sided floppy disks. Other models (IIx, IIcx, IIci, ...


3

Here is what you likely need. However, note that I don't own a Mac II and I therefore can't be quite definitive. But I had a thorough look at Mac ROM SIMM photographs on the internet and it seems consistent. Unless they used some specific custom-manufactured connector that looks similar to the standard without being the standard, this should be it (just ...


Top 50 recent answers are included