User Manual

MiniStation All-in-One Petit Board User’s Manual
Award BIOS Setup
74
5.19 Watchdog Function
The MiniStation CPU card uses version 2.0 of the watchdog timer. This onboard WDT generates either a
system reset or non-maskable interrupt (NMI), depending on the settings made on jumper JP8 of
MiniStation. Follow the steps below to enable and program the watchdog function of MiniStation.
Start
↓
Un-Lock WDT : OUT 120H 0AH ; enter WDT function
OUT 120H 0BH ; enable WDT function
↓
Set multiple (1~4) : OUT 120 0NH ; N=1,2,3 or 4
↓
Set base timer (0~F) : OUT 121 0MH ; M=0,1,2,…F
↓
WDT counting
↓
re-set timer : OUT 121 0MH ; M=0,1,2,…F
↓
IF No re-set timer : WDT time-out, generate RESET or NMI
↓
IF to disable WDT : OUT 120 00H ; Can be disable at any time