IBM 770 manual Service, B-12, System Information, Function Description, Get System Identification

Function Description
System Information	Service
Get System Identification
Input Field
Major Function Number -		ðð
Minor Function Number -		ðð
Parameter 1	-	Reserved
Parameter 2	-	Reserved
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved
Output Field
Return Code	-	Error status
Auxiliary Return Code -		Return value format
		= ðð - ASCII format
		= ð1 - Binary format
Parameter 1	-	System ID
Parameter 2	-	Country Code
Parameter 3	-	System BIOS revision
Parameter 4	-	(Bits 31-16) Reserved

-(Bits 15-ð) System Management BIOS revision

Parameter 5- (Bits 31-16) Reserved

-(Bits 15-ð) SMAPI BIOS Interface revision

B-12 SMAPI BIOS