Watchdog Timer Initial Program - Asus Aaeon BOXER-8331AI User Manual

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A.1

Watchdog Timer Initial Program

Table 1 : SuperIO relative register table
Default Value
Index
0x2E(Note1)
Data
0x2F(Note2)
LDN
Timer
0x07(Note3)
Counter
Counting
0x07(Note5)
Unit
Watchdog
0x07(Note9)
Enable
Timeout
0x07(Note13)
Status
Output
0x07(Note16)
Mode
WDTRST
0x07(Note20)
output
Appendix A – Watchdog Timer Programming
Note
SIO MB PnP Mode Index Register
0x2E or 0x4E
SIO MB PnP Mode Data Register
0x2F or 0x4F
Table 2 : Watchdog relative register table
Register
0xF6(Note4)
0xF5(Note6)
0xF5(Note10)
0xF5(Note14)
0xF5(Note17)
0xFA(Note21)
BitNum
Value
(Note24)
3(Note7)
0(Note8)
5(Note11)
1(Note12)
6(Note15)
1
4(Note18)
1(Note19)
0(Note22)
1(Note23)
Note
Time of
watchdog timer
(0~255)
This register is
byte access
Select time unit.
0: second
1: minute
0: Disable
1: Enable
1: Clear timeout
status
Select
WDTRST#
output mode
0: level
1: pulse
Enable/Disable
time out output
via WDTRST#
0: Disable
1: Enable
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