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Garrett
replied to the thread
IIfx Parts Machine Repair - RAM, ROM, Power on/off Fixes
.
Another great writeup, David! This seller had two of these listed - I picked up the other one he had. Like yours, it also appears to...
Wednesday at 1:59 PM
Garrett
replied to the thread
PowerBook 100 RAM Expansion Pinout - New RAM Card Build Issue
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I decided to revisit my issues with this RAM card once again. I thought I could be clever and connect the PowerBook to my newer Mac and...
Apr 14, 2026
Garrett
posted the thread
Delve into Reconnaissance - and fixing my Mac IIcx
in
Macintosh II
.
I've had a few troubled boards I've been putting off working on. This past March, my motivation to do something with these boards...
Apr 9, 2026
Garrett
replied to the thread
PowerBook 180c TRACKBALL Repair Help Needed
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I’ve had this issue before, and found that it’s made worse by cleaning the blue rollers with IPA. They’re slipping on your metal shafts...
Mar 1, 2026
Garrett
replied to the thread
Dynamic Engineering Portable PDS RAM Card
.
Wow, this is so cool! Thanks for posting. I suppose a card like this could be recreated, if it weren't for the missing PLD code.
Feb 26, 2026
Garrett
replied to the thread
Dynamic Engineering Portable PDS RAM Card
.
Great work! I saw this card on eBay as well - glad someone here snatched it up. Looks like the same RAM ICs that the PowerBook 1xx...
Feb 24, 2026
Garrett
replied to the thread
Macintosh LCII failure
.
That's interesting that when swapping DFACs, the issue stays with the board, not the sound chip. I had an LCII with bad audio once, and...
Feb 16, 2026
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