Hardware/Software Interface
Page 105
5.3.1.12
Power Failure Flags
This command allows querying the power failure flags of the BL51E.
Table 91.
BMC API – Power failure flags command
Command ERR_PWR_FLAGS
Whenever a power failure occurs, the respective flag is set to 1 until the Power Failure
Flag Register is cleared.
Command
Packet Type
Opcode
Functional Description
ERR_PWR_FLAGS PT_RBD
0x91
Get power failure flags
Opcode:
0x91
Packet Type:
PT_RBD
Bit
7
6
5
4
3
2
1
0
Data
BATT
-
EXT
SYS_
PWROK
12V
5V_ STDBY
5V
33V
Bit Field
Description
Initial Value
0x00
: No power failure was registered by the BMC since the
Power Failure Flag Register was cleared.
BATT
Battery failure
EXT
External power supply failure
SYS_PWROK
System power OK failure
12V
+12 V input voltage failure
5V_STDBY
+5 V standby voltage failure
5V
+5 V input voltage failure
33V
+3.3 V voltage failure