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N
nottomhanks
replied to the thread
Power Macintosh 475
.
Ok, so you can take a very thin blade flathead screwdriver, and you can gently slide it between the card and the black retainer. Then...
Feb 18, 2026
Certificate of Excellence
replied to the thread
What did you do to your computer today?
.
I've found myself mostly in Leopard on my a1047 so I decided to push off the Tiger partition to an external FW drive so I did that and...
Feb 18, 2026
David Cook
replied to the thread
LC575 computer killed LC520 motherboard! 😭
.
Attached is Apple's Color Classic schematic. See page 12 for the connector pinouts. We assume the LC 520 pinouts are the same, even if...
Feb 18, 2026
Fizzbinn
replied to the thread
Power Macintosh 475
.
But how? I feel like I'm probably missing something obvious but when I look at the card I don't see what replacing all the bottom pins...
Feb 18, 2026
David Cook
replied to the thread
LC575 computer killed LC520 motherboard! 😭
.
We are making progress. We have seen a number of things that are working. The fact that audio worked and the CRT worked briefly means...
Feb 18, 2026
N
nottomhanks
replied to the thread
Power Macintosh 475
.
That entire set of pins passes through the 601 card, so as long as the pins are bent/broken on the bottom (where it plugs into the logic...
Feb 18, 2026
Fizzbinn
replied to the thread
Power Macintosh 475
.
I still have mine awaiting a fix attempt! Can you expand further on your fix using a 68040 socket?
Feb 17, 2026
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