IBM 770 manual SMAPI BIOS B-15, Information, Get Docking Station

Get Docking Station	Information
Input Field
Major Function Number -		ðð
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 -		Docking station status
		Bit ð -	Docking status
		= ð : Undock
		= 1 : Dock
		Bits 5-1 - Reserved
		Bit 6 -	Security key status
		= ð : Lock position
		= 1 : Unlock position
		Bit 7 -	Bus status
		= ð : BUS isolated
		= 1 : BUS connected
Parameter 1	-	Docking station ID
Parameter 2	-	Reserved
Parameter 3	-	Reserved
Parameter 4	-	Reserved
Parameter 5	-	Reserved

SMAPI BIOS B-15