Power Subsystems
System Event Log Troubleshooting Guide for EPSD
Platforms Based on Intel
®
Xeon
®
Processor E5 4600/2600/2400/1600/1400 Product Families
36 Intel order number G90620-002 Revision 1.1
Soft Power Control
Failure
Generally means power good was lost in
the system, causing a shutdown.
This could be cause by the power supply subsystem or system
components.
1. Verify all power cables and adapters are connected properly (AC
cables as well as the cables between the PSU and system
components).
2. Cross test the PSU if possible.
3. Replace the power subsystem.
Power subsystem experienced a failure.
Indicates a power supply failed.
1. Remove and reapply AC power.
2. If the power supply still fails, replace it.
4.3.2 Power Unit Redundancy Sensor
This sensor is enabled on the systems that support redundant power supplies. When a system has AC applied or if it loses
redundancy of the power supplies, a message will get logged into the SEL.
Table 17: Power Unit Redundancy Sensors Typical Characteristics
Event Direction and
Event Type
[7] Event direction
0b = Assertion Event
1b = Deassertion Event
[6:0] Event Type = 0Bh (Generic Discrete)
[7:6] – 00b = Unspecified Event Data 2
[5:4] – 00b = Unspecified Event Data 3
[3:0] – Event Trigger Offset as described in Table 18
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