Power Mgr
GetCPUSpeed Return the current effective clock speed of the CPU Controlling and Reading the Wakeup Timer
GetWUTime Get the current wakeup time settings Controlling the Sleep Queue
Controlling Serial Power
AOn Switch on power to the SCC and the -5 volt supply driver chips
BOn Switch on power to the SCC, -5 volt supply and serial driver chips
AOff Switch off power to SCC and -5 volt supply if portB not in use
BOff Switch off power to SCC and -5 volt supply if portA not in use
Reading the Status of the Internal Modem
ModemStatus Get information about Mac Portable internal modem Reading the Status of the Battery and Batter Charger