Processor thermal control % sensors, Description – Kontron S5500 SEL Troubleshooting User Manual
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System Event Log Troubleshooting Guide for Intel
®
S5500/S3420 series Server Boards
Cooling subsystem
Revision 1.0
Intel order number G74211-001
39
5.2.3
Processor Thermal Control % Sensors
Processor Thermal Control % sensors report the percentage of the time that the processor is throttling its performance due to thermal issues. If
this is not addressed the processor could overheat and shut down the system to protect itself from damage
Table 39: Processor Thermal Control % Sensors Typical Characteristics
Byte
Field
Description
11
Sensor Type
01h = Temperature
12
Sensor Number
See Table 41
13
Event Direction and
Event Type
[7] Event direction
0b = Assertion Event
1b = Deassertion Event
[6:0] Event Type = 01h (Threshold)
14
Event Data 1
[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 40
15
Event Data 2
Reading that triggered event.
16
Event Data 3
Threshold value that triggered event.
Table 40: Processor Thermal Control % Sensors Event Triggers
– Description
Event Trigger
Assertion
Severity
Deassert
Severity
Description
Hex
Description
07h
Upper non critical
going high
Degraded
OK
The thermal margin has gone over its upper non critical threshold.
09h
Upper critical
going high
non-fatal
Degraded
The thermal margin has gone over its upper critical threshold.