Cooling Subsystem
System Event Log Troubleshooting Guide for EPSD
Platforms Based on Intel
®
Xeon
®
Processor E5 4600/2600/2400/1600/1400 Product Families
54 Intel order number G90620-002 Revision 1.1
7Ah = Processor 3 Thermal Control %
7Bh = Processor 4 Thermal Control %
Event Direction and
Event Type
[7] Event direction
0b = Assertion Event
1b = Deassertion Event
[6:0] Event Type = 01h (Threshold)
[7:6] – 01b = Trigger reading in Event Data 2
[5:4] – 01b = Trigger threshold in Event Data 3
[3:0] – Event Triggers as described in Table 42
Reading that triggered event
Threshold value that triggered event
Table 42: Processor Thermal Control Sensors Event Triggers – Description
Upper non-critical
going high
The thermal margin has gone over its upper non-critical threshold.
Upper critical
going high
The thermal margin has gone over its upper critical threshold.
5.2.3.1 Processor Thermal Control % Sensors – Next Steps
These events normally occur due to failures of the thermal solution:
1. Verify heatsink is properly attached and has thermal grease.
2. If the system has a heatsink fan, ensure the fan is spinning.
3. Check all system fans are operating properly.
4. Check that the air used to cool the system is within limits (typically 35°C).
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