AXIOMTEK ETM710 Series, User Manual, Page: 59 / 60

ETM710 VIA V4 ETX v3.0 SoM User’s Manual
Watchdog Timer
55
A p p e n d i x
Watchdog Timer
Watchdog Timer Setting
The watchdog timer makes the system auto-reset while it stops
working for a period. The integrated watchdog timer can be set up as
system reset mode by program.
Using the Watchdog Function
Start
↓
Un-Lock WDT:
O 2E 87; Un-lock super I/O
O 2E 87; Un-lock super I/O
↓
Select Logic device:
O 2E 07
O 2F 08
↓
Activate WDT:
O 2E 30
O 2F 01
↓
Select Port:
O 2E 29
O 2F 20
↓
Set Second or Minute:
O 2E F3
O 2F N N=00 or 04(See below table)
↓
Set base timer:
O 2E F4
O 2F M=00, 01, 02…FF (Hex) ,Value=0 to 255