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5.3 Field Replaceable Unit (FRU) Information
Board information, such as serial number, date of manufacture, OEM name, part number, etc., are
retrievable from the FRU. It complies with the IPMI FRU 1.0 Specification. The information in the FRU
can be customized to add other product information, such as asset tag, other part numbers, etc.
5.4 Sensors
The sensors that the cPB4612 supports with the IPMI System Monitor can be retrieved in the Sensor
Data Records (SDR’s) via normal IPMI commands. They include:
System Ambient Temperature +12V
CPU Temperature +1.5V
VTT DDR +1.8V
CPU Core Voltage ONCTL#
+3.3V SLOT
+5V Front Latch
These sensors (with the exception of ONCTL and SLOT), when enabled by the BMC, will generate
sensor events on the IPMB. These events will normally be logged by the BMC and time-date stamped.
On temperature and voltage sensors, if sensor readings cross any of the non-critical, critical, or non-
recoverable thresholds, the IPMI System Monitor will generate IPMB event data to inform the BMC. The
IPMI System Monitor allows the BMC, via IPMI commands, to override its sensor thresholds
5.5 Firmware Updates
Firmware updates are possible through either the serial or IPMB interface. A special utility will be
provided should a firmware update be necessary.
5.6 SMBus Address Map
The table below lists the location, function, and address of each SMBus device used on the cPB-4612.
Device cPB-4612 Function Address
ICH SMBus
(slave)
6300ESB ICH 1000 100
Board clock
generator
(CK409B)
Board clock generator (CK409B) 1101 001
SO-DIMM0 SO-DIMM0 1010 000
SO-DIMM1 SO-DIMM1 1010 001