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Processor thermal control % sensors, Description – Kontron S5500 SEL Troubleshooting User Manual

Page 48

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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.