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PAC-4010 User Manual V1.0 Copyright 2016 Advantech Co. Ltd. All rights reserved. Page
102
6.4.2 Sensor Description
6.4.2.1 Threshold Based Sensors
Sensor event thresholds are classified as Non-critical (NC), Critical (CR), or
Non-recoverable (NR). This classification is possible in both directions (lower and
upper). When different thresholds are reached, different actions may be executed by
shelf manager (e.g. fan speed adjustment for temperature sensor events).
6.4.2.2 Physical IPMB-0 Sensor
The physical IPMB-0 sensor is implemented by IPMC according to the PICMG ATCA
specification. It is used to monitor the state of the local board IPMBs (IPMB-A and
IPMB-B) from the IPMC to the backplane connector.
6.4.2.3 Health Sensor
The IPMI defined Management Subsystem Health sensor is part of the designs sensor
repository with below specified event data format.
Table 6-10: Health Sensor Event Data Format
Event Direction Event Data 1
Event Data 2 Event Data 3
[7] =
0b (Assertion)
1b (Deassertion)
[7:4] = 0h (unspecified Event
Data bytes 2 and 3),
[3:0]: Specific Offset
FFh
(unspecified)
FFh
(unspecified)
Table 6-11: Health Sensor Supported Events
Sensor Type
Type
Code
Specific
Offset
Event
Management
Subsystem Health
28h
00h
Sensor access degraded or unavailable
01h
Controller access degraded or unavailable
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