|
|
Copyright 1991 David Jurgens |
INT 15,C3 - Enable/Disable Watchdog Timer (PS/2)
AH = C3
AL = 0 disable watchdog time-out
= 1 enable watchdog time-out
BX = watchdog timer count (1-255)
on return:
CF = 0 if successful
= 1 if error
AH = when CF set, 80h for PC & PCjr, 86h for XT, AT & Model 30
- the watchdog timer is available only on PS/2 with 80286 and
80386 processors.
- the timer uses channel timer channel 3 and IRQ0. Activated
when IRQ0 is active for more than one channel 0 timer cycle,
which causes the timer to be decremented. When the watch-
dog timer reaches 0, and NMI is generated.
|
|
| Esc or Alt-X to exit |
int 15,c3 |
Home/PgUp/PgDn/End ←↑↓→ |