IBM manual A-48 ThinkPad 560/560E SMAPI BIOS, Set System Resume

Set System Resume	Condition
Input Field
Major Function Number -		34h
Minor Function Number -		ð1h
Parameter 1	-	Reserved
Parameter 2	-	Condition for resuming trigger
		from the system suspend mode
		Bit ð - Resume switch by hardware
		Bit 1 - LID open detection
		Bit 2 - RTC alarm (Resume Timer)
		detection
		Bit 3 - RI from the Serial Device
		detection
		Bit 15-4 - 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
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

A-48ThinkPad 560/560E SMAPI BIOS