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BigBadBiologist's latest activity
Nominations will close March 25th. If you'd like to join the board and influence how TinkerDifferent runs in the next year,
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Hey Guest, MARCHintosh 2026 is upon us. Check out
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B
BigBadBiologist
posted the thread
Quadra 660AV tinkering
in
Macintosh Quadra & Centris
.
I've been working on a Quadra 660AV that had heavy capacitor damage. (good reset and clocks on main chips, no chime, seems like CPU...
Sunday at 9:08 PM
B
BigBadBiologist
replied to the thread
Reconnaissance: Modern Diagnostics for your Classic Mac
.
Such amazing software; incredible work Jack!
Mar 1, 2026
B
BigBadBiologist
replied to the thread
LC575 computer killed LC520 motherboard! 😭
.
DosFox came up with a way to program replacements, but finding the blank chips is difficult and the programmer is special. I don’t know...
Feb 15, 2026
B
BigBadBiologist
replied to the thread
LC575 computer killed LC520 motherboard! 😭
.
I believe David is correct about looking at the EGRET/CUDA. In my experience from boards of this general era, no power = bad CUDA. Check...
Feb 15, 2026
B
BigBadBiologist
replied to the thread
Macintosh SE/30 Vertical & Horizontal Bars on Display "Simasima" Repair Guide
.
Some info that I've accumulated that might be relevant to this thread and awesome guide. I socketed most of the chips on a good SE/30...
Feb 1, 2026
B
BigBadBiologist
posted the thread
Need help with a Laser 128 EX/2 with no clocks
in
Apple I/II/III
.
I'm working on a battery-bombed Laser 128 EX/2. Gate Array 1 (G/A1) is supposed to generate clocks off of the 14MHz crystal. The...
Jan 8, 2026
B
BigBadBiologist
posted the thread
Some resources for Fujitsu FM Towns II UG20
in
Other
.
I recently did a refurbishment of a Fujitsu FM Towns II UG20. These are super cool little not-quite-DOS-compatible x86 all-in-one...
Dec 24, 2025
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