IBM 770 manual B-52, Hibernation

Request System	Hibernation
Input Field
Major Function Number -		7ð
Minor Function Number -		ð2
Parameter 1	-	Reserved
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
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

Request System	Off
Input Field
Major Function Number -		7ð
Minor Function Number -		ð3
Parameter 1	-	Reserved
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
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

B-52 SMAPI BIOS