PICMG 2.9 is a specification by PICMG

PICMG

The PCI Industrial Computer Manufacturers Group is a consortium of over 227 companies. The group, founded in 1994, was originally formed to adapt PCI technology for use in high-performance telecommunications, military and industrial computing applications but its work has now grown to include...

 that defines an implementation of a system management bus in a CompactPCI system

CompactPCI

A CompactPCI system is a 3U or 6U Eurocard-based industrial computer, where all boards are connected via a passive PCI backplane. The connector pin assignments are standardized by the PICMG US and PICMG Europe organizations. PICMG stands for PCI Industrial Computers Manufacturers Group...

. This system management bus uses an I2C hardware layer, and is based on the Intelligent Platform Management Interface (IPMI) and Intelligent Platform Management Bus (IPMB) specifications.

Status

Adopted : 2/2/2000

Current Revision : 1.0

ECN001 (Engineering Change Number) was adopted 5/20/2002