ADLINK aTCA-9700 - Manual (Page 29)

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4.1.3 Watchdog Timer Sensor
Sensor Type Sensor
Type
Code Sensor
Specific
Offset Event
Watchdog 2 23h
00h
01h
02h
03h
04h-07h
08h This sensor is recommended for new IPMI v1.0 and later
implementations.
Timer expired, status only (no action, no interrupt)
Hard Reset
Power Down
Power Cycle
reserved
Timer interrupt
The Event Data 2 field for this command can be used to
provide an
event extension code, with the following definition:
7:4 interrupt type
0h = none
1h = SMI
2h = NMI
3h = Messaging Interrupt
Fh = unspecified
all other = reserved
3:0 timer use at expiration:
0h = reserved
1h = BIOS FRB2
2h = BIOS/POST
3h = OS Load
4h = SMS/OS
5h = OEM
Fh = unspecified
all other = reserved