IBM 770 Laptop User Manual


 
Set Pointing Device State
Input Field
Major Function Number - 11
Minor Function Number - 3
Parameter 1 - Reserved
Parameter 2 - Bits 15-8
Pointing device current status
Bits 1, 8 - Built-in pointing device
auto control
=  : Disable
= 1 : Enable
= 1 : Auto
= 11 : Reserved
Bit 9 - External pointing device status
=  : Disable
= 1 : Enable
Bits 15-11: Reserved
Bits 7- Request type
= h - Current hardware
= 1h - CMOS (effective after reboot)
Bits 7-2: 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
Reserved
Parameter 3 - Reserved
Parameter 4 - Reserved
Parameter 5 - Reserved
B-26 SMAPI BIOS