Specifications

156 AMD Geode™ GeodeROM Functional Specification
System Services
32087C
12.1.13 Function C2h - PS/2 Mouse Support
GeodeROM provides support for detecting, initializing and handling PS/2 mouse activity. For information on PS/2 mouse
support, refer to the IBM Mouse Technical Reference Manual.
• PS/2 Mouse Support Functions, INT 15h, Function C2h:
— Subfunction 00h: Enable/Disable Pointing Device
— Subfunction 01h: Reset Pointing Device
— Subfunction 02h: Set Sample Rate
— Subfunction 03h: Set Resolution
— Subfunction 04h: Read Device Type
— Subfunction 05h: Initialize Pointing Device Interface
— Subfunction 06h: Pointing Device Extended Commands
— Subfunction 07h: Set Pointing Device Handler Address
12.1.13.1 Subfunction 00h: - Enable/Disable Pointing Device
Description:
Enables the pointing device, allowing its use, or disables the device so it can no longer be used.
Passed:
Returns:
Related Functions:
None.
Parameter Description
AX C200h
BH 00h = Disable
01h = Enable
Parameter Description
CF 0 = Success
1 = Failure
AH Status code:
00h = Successful
01h = Invalid function
02h = Invalid input
03h = Interface error
04h = Need to resend
05h = No device handler installed