Technical Product Specification

Intel® Server System R1304BTSSFAN/ R1304BTLSFAN/ R1304BTLSHBN TPS 350W Power Subsystem

4.9

PMBus*

The PMBus* features included in this specification are requirements for ac/dc silver box power

supply for use in server systems. This specification is based on the PMBus* Specifications Parts

I and II, revision 1.1X3.

4.9.1

Related Documents

 PMBus* Power System Management Protocol Specification Part I – General

Requirements, Transport and Electrical Interface, Revision 1.1X3.

 PMBus* Power System Management Protocol Specification Part II – Command

Language, Revision 1.1X3 SMBus* 2.0.

4.9.2

Addressing

The power supply device address locations are shown below. For redundant systems, there are

two signals to set the address location of the power supply once it is installed in the system:

Address0 and Address1. For non-redundant systems, the power supply device address

locations should align with the Address0/Address1 location of 0/0.

Table 25. Power Supply Device Address Locations

PDB addressing Address0/Address1

0/0

0/1

1/0

1/1

Power supply PMBus* device

B0h

B2h

B4h

B6h

Note: Non-redundant power supplies use the 0/0 address locations.

Revision 2.4