Int 15/AH=C3h

SYSTEM - ENABLE/DISABLE WATCHDOG TIMEOUT (PS50+)

AH = C3h AL = function 00h disable PS/2 watchdog timer 01h enable PS/2 watchdog timer BX = timer counter (0001h-00FFh) 02h disable Gearbox system 03h enable Gearbox system

Return:
CF set on error CF clear if successful

Note: The watchdog timer generates an NMI

See Also: INT 21/AH=2Bh/CX=6269h"WDTSR"

Category: Bios - Int 15h - S

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