IBM 770 manual Get UltraBay, B-16, Information

Get UltraBay II	Information
Input Field
Major Function Number -		ðð
Minor Function Number -		ð4
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	-	(Bits 15-8) UltraBay device information
		= ðð : FDD
		= ð1 : Serial device
		= ð2 : TV tuner
		= 1ð : IDE device
		= 2ð : PCMCIA adapter
		= 3ð : Battery
		= 4ð : AC adapter
		= FE : No UltraBay
		= FF : Unknown
		(Bit 7-ð) UltraBay device ID
		= ðð : FDD
		= ð1 : Cellular
		= ð2 : TV tuner
		= 1ð : CD-ROM
		= 11 : IDE-HDD
		= 12 : DVD
		= 13 : ZIP
		= FF : ID is not available
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

B-16 SMAPI BIOS