(10.1) Hard drive going to sleep when in use
500 mhz iBook won't sleep with new hard drive
G4 Wont Start Up
Hard drive always wakes up at midnight (OS 9)
Mac sleeping and printing behavior
Panther Freezing upon waking up: Hardware problem?
Pismo random power problems...
Secondary hard drive sleep problems - running Jaguar 10.3.2
'update' process keeping hard drive from sleeping