Watchdog Timer Initial Program - Asus Aaeon VPC-3350S 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)
Table 2 : Watchdog relative register table
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
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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