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Home > OS X Lion 10.7 > Mac Memory > PowerBook G4 Memory > PowerBook G4 1.25GHz 15" (Aluminum/SuperDrive) (M8981LL/A)
PowerBook G4 1.25GHz 15

Apple PowerBook G4 1.25GHz 15" (Aluminum/SuperDrive) (M8981LL/A) Memory

Maximum Memory


Memory Slots 2 (2 banks of 1)
non-removable base memory 0MB
"These models use "Bus Slewing" when the Energy Saver is set to Automatic Performance. Apparently some newer RAM chips do not like the resulting random clock speed changes, even though the published specs imply that they should. Memory tests never let the processor slow down, so the RAM passes the tests. Setting System Preferences, Energy Saver, Options, Processor Performance to Highest will prevent the problems, but will speed battery consumption. It does, however, prove the cause of the problem. Use only Samsung original memory to eliminate the bus slewing problem."

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