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muse
replied to the thread
Macintosh SE/30 M5119 - Year long troubleshooting battle
.
The scope is the right tool. I also can't see a problem with the waveforms you took, its normal to see some noise in those readings...
Dec 24, 2025
JDW
replied to the thread
A very special Mac Portable
.
I like the fact you enjoy that model iMac because it really doesn't get enough love. That metal Arm for the display was and still is so...
Dec 24, 2025
GreenBar0n
replied to the thread
Macintosh SE/30 M5119 - Year long troubleshooting battle
.
I used the DMM to look at the ROM slot pins, they are all over the place in voltage, very few are always stuck at +5.05V, but nearly all...
Dec 24, 2025
jeffburg
replied to the thread
A very special Mac Portable
.
Totally! I usually hang out in the G4/G5 section here because those were my high school days. I recently got my dream high school set...
Dec 24, 2025
GreenBar0n
replied to the thread
Macintosh SE/30 M5119 - Year long troubleshooting battle
.
The Reset pin F12 on the CPU is functional, it goes from +5.05V to 0 - 0.80Mv when S1 is pressed. The only Reset pins that were...
Dec 24, 2025
JDW
replied to the thread
Radius Rocket & SCSI Booster Clones
.
Replies came as I was going to bed last night, and I'm at work now. Will consider use of RocketShare software later, although it will...
Dec 24, 2025
muse
replied to the thread
8-bit Boléro (The World's Most Ambitious Chiptune?)
.
He has a lot of patience. Can't appreciate enough how long it took him to record and then do the editing, mixing. :)
Dec 24, 2025
JDW
replied to the thread
A very special Mac Portable
.
I too was a MacUser subscriber since the 1980's. Not quite from the Premier issue, but close! My subscription was rolled into Macworld...
Dec 24, 2025
muse
replied to the thread
Macintosh SE/30 M5119 - Year long troubleshooting battle
.
What are the address lines doing from the 68030 ?, if they are stuck high then that could confirm your suspicions on a bad reset...
Dec 24, 2025
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