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mac27's latest activity
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mac27
posted the thread
Power Mac G4 Quicksilver main case fan replacement
in
PowerPC G3, G4 & G5 (New World ROM)
.
Just documenting a quick little repair/maintenance item I took care of today. The main case fan in my Quicksilver was nice and quiet...
Jan 11, 2026
mac27
replied to the thread
Power Mac G4 Power Supply (the notoriously loud AcBel 400W "Windtunnel")
.
OK. That means it's a Quicksilver, so it doesn't have the notoriously loud AcBel 400W "Wind tunnel" PSU from the MDDs.
Jan 10, 2026
mac27
replied to the thread
Power Mac G4 Power Supply (the notoriously loud AcBel 400W "Windtunnel")
.
I mean, the Quicksilver and MDD have very different case designs (particularly the front and rear), and the internals are completely...
Jan 10, 2026
mac27
replied to the thread
Power Mac G4 Power Supply (the notoriously loud AcBel 400W "Windtunnel")
.
The famous "wind tunnel" PSUs are in the MDD G4s, not the Quicksilver. Which do you have? If it's an MDD, then yes, the PSUs are...
Jan 10, 2026
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