US Patent 7404092 Power supply control in a server system

An information handling system comprising at least one power supply unit (PSU), at least one blade server module (BSM) and at least one module monitor board (MMB). The at least one PSU, at least one BSM and the at least one MMB may be removable from the information handling system. The at least one PSU may store in a memory device, e.g., I2C device, the most recent power control command and will thereby maintain that most recent power control command when all of the at least one MMBs are removed from or operationally fail in the information handling system.