Patent ID: 8108703

Claim:
A power management server data processing system for managing power consumption among a plurality of server data processing systems, said power management server data processing system comprising: a power management communication port to communicatively couple said power management server data processing system to a power-managed server data processing system of said plurality of server data processing systems, wherein said plurality of server data processing systems include a non-power-managed server data processing system; and a system management processor coupled to said power management communication port having power management logic configured to receive power management data from said power-managed server data processing system, to generate a power management command utilizing said power management data, and to transmit said power management command to said power-managed server data processing system utilizing said power management communication port, wherein said power management data includes power management capability data, wherein said power management logic is configured to determine an effective power consumption level of said non-power-managed server data processing system and to generate said power management command utilizing said effective power consumption level.