SEL Troubleshooting Guide

Cooling Subsystem System Event Log Troubleshooting Guide for Intel® S5500/S3420 Series Server Boards
38 Intel order number G74211-002 Revision 1.1
Table 42: Discrete Thermal Sensors Typical Characteristics
Byte
Field
Description
11
Sensor Type
01h = Temperature
12
Sensor Number
See Table 43
13
Event Direction and
Event Type
[7] Event direction
0b = Assertion Event
1b = Deassertion Event
[6:0] Event Type = See Table 43
14
Event Data 1
[7:6] – 00b = Unspecified Event Data 2
[5:4] – 00b = Unspecified Event Data 3
[3:0] – Event Trigger Offset as described in Table 43
15
Event Data 2
Not used
16
Event Data 3
Not used
Table 43: Discrete Thermal Sensors – Next Steps
Sensor
Number
Sensor Name
Event
Type
Event Trigger Offset
Description
Next Steps
Hex
Description
66h
P1 VRD Hot
05h
01h
Limit Exceeded
Processor1 voltage
regulator overheated
1. Check for clear and unobstructed airflow into and out of the chassis.
2. Ensure the SDR is programmed and correct chassis has been selected.
3. Ensure there are no fan failures.
4. Ensure the air used to cool the system is within the thermal
specifications for the system (typically below 35°C).
67h
P2 VRD Hot
Processor2 voltage
regulator overheated
6ah
IOH Thermal Trip
03h
01h
State Asserted
I/O Hub (IOH) overheated