Int 15H [PS/2] Function C2H (194) Subfunction 00H Enable/disable pointing device

Enables or disables the system's mouse or other pointing device.

Call with:

AH = C2H

AL = 00H

BH = enable/disable flag

00H = disable

01H = enable

Returns:

If function successful

Carry flag = clear

AH = 00H

If function unsuccessful

Carry flag = set

AH = status

01H if invalid function call

02H if invalid input

03H if interface error

04H if resend

05H if no far call installed