PICMG 2.9 is a specification by PICMG that defines an implementation of a system management bus in a CompactPCI system.
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.
[1] Adopted : 2/2/2000 Current Revision : 1.0 ECN001 (Engineering Change Number) was adopted 5/20/2002