IBM 770 manual B-50, Input Field, Output Field

Set System Resume	Timer
Input Field
Major Function Number -		34
Minor Function Number -		ð3
Parameter 1	-	Reserved
Parameter 2	-	Reserved
Parameter 3	-	Reserved
Parameter 4	-	TOD of resume timer (BCD format)
		Bits 7-ð	- Seconds	(ð-59)
		Bits 15-8	- Minutes	(ð-59)
		Bits 23-16 - Hours		(ð-23)
		Bits 31-24 - Reserved
Parameter 5	-	Date of resume timer (BCD format)
		Bits 7-ð	- Day	(1-31)
		Bits 15-8	- Month	(1-12)
		Bits 23-16 - Year		(ð-99)
		Bits 3ð-24 - Reserved
		Bit 31	- Resume date validation
			= ð - Valid (specified day)
			= 1 - Invalid (every day)
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-50 SMAPI BIOS