AXIOMTEK SBC86808 Series, User Manual

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SBC86808 Pentium
®
M All-in-One Mini ITX Board User’s Manual
DIO
67
Using the Watchdog Function
Start
↓
Un-Lock WDT :O 4E 87 ; Un-lock super I/O
O 4E 87 ; Un-lock super I/O
↓
Set WDT Funtion :
O 4E 2D
O 4F 20
Select Logic device :
O 4E 07
O 4F 08
↓
Activate WDT :O 4E 30
O 4F 01
Set Second or Minute :
O 4E F5
O 4F N N=00 or 04(See below table)
↓
Set base timer :O 4E F6
O 4F M=00,01,02,…FF(Hex) ,Value=0 to 255
↓
WDT counting
re-set timer :O 4E F6
O 4F M ; M=00,01,02,…FF(See below table)
↓
IF No re-set timer :WDT time-out, generate RESET
IF to disable WDT :O 4E 30
O 4F 00 ; Can be disable at any time