IBM manual Set System Event, Condition, A-46 ThinkPad 560/560E SMAPI BIOS

Set System Event	3 Condition
Input Field
Major Function Number -		33h
Minor Function Number -		ð1h
Parameter 1	-	Reserved
Parameter 2	-	(Bit 15-		8) Reserved
		(Bit	7-	ð) Condition for critical
		low battery condition detection
		Bit 7-ð		- Condition
		(See page A-32.)
Parameter 3	-	Reserved
Parameter 4	-	(Bit 31-		8) Reserved
		(Bit	7-	ð) Condition for out-of-environment
		condition detection
		Bit 7-ð		- Condition
		(See page A-32.)
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

A-46ThinkPad 560/560E SMAPI BIOS