System Event Log Troubleshooting Guide for EPSD
Platforms Based on Intel
®
Xeon
®
Processor E5 4600/2600/2400/1600/1400 Product Families
Power Subsystems
Revision 1.1 Intel order number G90620-002 33
Baseboard +0.9V
(BB 0.9V Core IB)
+0.9V Core IB is supplied by the main board on specific platforms.
+0.9V Core IB is used by the on-board Infiniband* controller on those specific platforms.
1. Ensure all cables are connected correctly.
2. If the issue remains, replace the board.
3. If the issue remains, replace the power supplies.
Baseboard +1.8V
(BB 1.8V IB I/O)
+1.8V IB I/O is supplied by the main board on specific platforms.
+1.8V IB I/O is used by the on-board Infiniband* controller on those specific platforms.
1. Ensure all cables are connected correctly.
2. If the issue remains, replace the board.
3. If the issue remains, replace the power supplies.
Baseboard +1.1V
(BB 1.1V PCH)
This 1.1V line is supplied by the main board.
This 1.1V line is used by the Intel
®
C600 series Chipset.
1. Ensure all cables are connected correctly.
2. If the issue remains, replace the board.
Baseboard +1.2V
(BB +1.2V IB)
+1.2V is supplied by the main board on specific platforms.
+1.2V is used by the on-board Infiniband* controller on those specific platforms.
1. Ensure all cables are connected correctly.
2. If the issue remains, replace the board.
3. If the issue remains, replace the power supplies.
4.2 Voltage Regulator Watchdog Timer Sensor
The BMC FW monitors that the power sequence for the board VR controllers is completed when a DC power-on is initiated.
Incompletion of the sequence indicates a board problem, in which case the FW powers down the system.
The sequence is as follows:
BMC FW monitors the PowerSupplyPowerGood signal for assertion, indicating a DC-power-on has been initiated, and starts a
timer (VR Watchdog Timer). For EPSD Platforms Based on Intel
®
Xeon
®
Processor E5 4600/2600/2400/1600 Product Families
this timeout is 500ms.
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