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34 Intel NetStructure
®
MPCBL0001 High Performance Single Board Computer
Technical Product Specification
Hardware Management Overview
3.2.1 Temperature and Voltage Sensors
Temperature and voltage readings are monitored by ADM1026. They are critical sensors that
ensure the MPCBL0001 is operating at its predefined threshold limits. The sensors are categorized
as follows:
• Lower Non-Critical
• Lower Critical
• Upper Non-Critical
• Upper Critical
If the lower critical or upper critical threshold is exceeded, it raises a major alarm. If the lower non-
critical or upper non-critical threshold is exceeded, it raises a minor alarm.
Only critical thresholds which are exceeded turn the Health LED solid red. However, for any
events above, IPMC forwards the events to the shelf manager to log it into shelf manager’s SEL.
FRU Hot
Swap
F0h 00h M0 – FRU not installed Refer to PICMG 3.0 Specifications (Table 3-14)
01h M1 – FRU inactive
02h M2 – FRU activation
request
03h M3 - FRU activation in
progress
04h M4 - FRU active
05h M5 - FRU deactivation
request
06h M6 - FRU deactivation in
progress
07h M7 - Communication lost
IPMB Link
Sensor
F1h 00h IPMB A & B disabled Refer to PICMG 3.0 Specifications (Table 3-46)
01h IPBM A enabled
IPMB B disabled
02h IPMB A disabled
IPMB B disabled
03h IPMB A & B enabled
Table 3. SEL Events Supported by the MPCBL0001 SBC (Sheet 4 of 4)
Sensor
Type
Sensor
Type Code
Sensor-Specific
Offset (Event
Data 1, Bit 0-3)
Event Remarks
NOTE:
1. These sensor offsets do not generate events, but they are valid offsets when reading the sensor values.