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David Cook's latest activity
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David Cook
replied to the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
.
REPLACEMENT PARTS If priced reasonably, I will pick up battery bombed boards to repair other machines. In this case, the missing CPU...
Apr 22, 2026
David Cook
replied to the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
.
RUST REMOVAL The metal shield on the inside of the case was in horrible shape. The speaker is broken (open circuit). In the past...
Apr 22, 2026
David Cook
replied to the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
.
ROM TROUBLE The seller did not include a ROM with this machine. Whoever removed it (and the CPU/FPU) is a jerk. I prefer the original...
Apr 22, 2026
David Cook
replied to the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
.
RAM TROUBLE Whenever I am repairing a board, I use known-good parts in everything that is removable. In this case, that includes...
Apr 22, 2026
David Cook
posted the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
in
Macintosh II
.
A seller offered this IIfx parts machine on eBay for $200. The seller was completely honest in the listing -- so all problems I describe...
Apr 22, 2026
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