Mini-DIN to DE9 -> DE9 null modem cable -> DE9 to USB serial cable. Inexpensive and readily available in terms of kit... then simply make a serial connection. For instance, Kermit on the new Mac (install via Homebrew, free, pretty easy to use in Terminal), and Kermit on the old Mac (or ZTerm, or...
It would seem one of the sticks is bad, and the error codes suggests it was moved from slot 3 to slot 4. However, I would just ensure the SIMM leads and the sockets themselves are very clean (if you have contact cleaner, it may help) using some *lightly* abrasive cleaning. And see if the error...
Excellent- thank you!
So, I *believe* you need install the RAM in slots 3 & 4 (in the photo they're in slots 1 & 3). Then you need to move the jumper to the 2/4M side (in the photo it appears to be on the 1M side).
If that doesn't work, try the RAM in slots 1 & 2, but from what I understand the...
What to do depends on what version of logic board you have and the RAM size. Is it possible to post a good quality picture of the logic board, as well as the RAM sticks you're using?
This is what I used - I can't guarantee your internals are identical:
Cap #
uF
V
height
diam
C302
1000
16
20
10
C303
47
25
11
5
C1
47
400
32
17
C4
22
50
11
5
I recently acquired a M7649 Studio Display that works well, but the upper backlight seems dim, and the power light is blinking a repeating 'short short long' pattern... which seems to be an error code for a failed backlight.
Has anyone repaired one of these before? Is this a caps issue, or does...
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