IBM 770 manual B-30, Set Power Management

Set Power Management	Mode
Input Field
Major Function Number -		22
Minor Function Number -		ð1
Parameter 1	-	Bits 15-8 Power management mode
		Battery operation
		= ððh - High performance mode
		= ð1h - Auto power management mode
		= ð2h - Manual power management mode
		Bits 7-ð Power management mode
		ac operation
		= ððh - High performance mode
		= ð1h - Auto power management mode
		= ð2h - Manual power management mode
Parameter 2	-	Reserved
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved
Output Field
Return Code	-	Error status
Auxiliary Return Code -		Reserved
Parameter 1	-	Reserved
Parameter 2	-	Reserved
		Reserved
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

B-30 SMAPI BIOS