ADLINK cPCI-3510 Series User Manual
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Watchdog Timer
2. Reload the WDT counter by using the raw IPMI command
"Reset Watchdog Timer".
"Reset Watchdog Timer" Command:
[18 00 22]
Successful response to Command:
[1C 00 22 00]
3. Get the WDT configuration by using the "Get Watchdog
Timer" command.
"Get Watchdog Timer" Command:
[18 00 25]
Successful response to Command:
[1C 00 25 00 43 01 01 00 50 00 28 00]
0x18: Net function. Defined in IPMI specification
0x00: Bus ID. Usually "0x00".
0x25: Command. Defined in IPMI specification.
0x43: Get timer operation status and "OS Load".
The first nibble is "4". This means the timer is
running. If the first nibble is "0", then the
watchdog timer has timed out and stopped. The
second nibble is "Timer Use". A value of "3"
means the option is set to "OS Load".
0x01: Hard Reset.
0x01: Pre-timeout interval in seconds.
0x00: Timer Use Expiration flags clear.
0x50: Initial countdown value. The current interval
before the watchdog timer expires.
80 count. 100ms * 80 = 8000ms = 8 seconds.
0x10: Present countdown value. How much time is left
before timer expires.
16 count: 100ms * 16 = 1600ms = 1.6 seconds