SSI
ERP2U Power Supply Design Guide, V2.31
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PDB addressing A0/A1 0/0 0/1 1/0 1/1
Power supply PSMI device B0h B2h B4h B6h
8.5 Field Replacement Unit (FRU) Signals
STATUS
Optional
The FRU device in the power supply shall derive its power off of the 5VSB output on the system side of the or’ing
device and grounded to ReturnS. The Write Control (or Write protect) pin should be tied to ReturnS inside the
power supply so that information can be written to the EEPROM.
PDB addressing A0/A1 0/0 0/1 1/0 1/1
Power supply IPMI FRU device A0h A2h A4h A6h
Power supply PSMI device B0h B2h B4h B6h

8.5.1 Module FRU Data

FRU data shall be stored starting in address location 8000h through 80FFh. The FRU data format shall be
compliant with the IPMI specifications. The current versions of these specifications are available at:
http:\\developer.intel.com/design/servers/ipmi/spec.htm.

8.5.2 Module FRU Data Format

The information to be contained in the FRU device is shown in the following table.
Table 31: FRU Device Information
Area Type Description
Common Header As defined by the FRU document
Internal Use Area Not required, do not reserve
Chassis Info Area Not applicable, do not reserve
Board Info Area Not applicable, do not reserve

8.5.2.1 Product Info Area

Implement as defined by the IPMI FRU document. Product information shall be defined as follows:
Table 32: FRU Device Product Information Area
Field Name Field Description
Manufacturer Name {Formal name of manufacturer}
Product Name {Manufacturer’s model number}
Product part/model number Customer part number
Product Version Customer current revision
Product Serial Number {Defined at time of manufacture}
Asset Tag {Not used, code is zero length byte}