I have a pair of Dual 1.25 MHz MDD G4's which have been my graphics
workhorses since I bought them new. Recently the power supplies
failed on them both within a few days of each other. I removed the
power supplies and was surprised to find that the power supply in the
first computer I bought is an AcBel 400 Watt Rev B and the power
supply in the second one I bought a few months later is an AcBel 360
Watt Rev A.
Does anyone know why Apple used two different power supplies in two
virtually identical G4's? Or which one is the better power supply?
Did they have problems with the 360 W and replace it with the equally
undependable 400 W?
These AcBel power supplies were made in China. Doing a little
reading I quickly discovered that Apple had problems with them
immediately.
There is an online service, National Ram Electronics, that repairs
the AcBel G4 power supplies. Does anyone know if these bits of
Chinese junk are worth repairing?
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