Patent ID: 8327177
Filing Date: 2012-12-04
Classification: G06F

Abstract:
1. An information handling system comprising: a processor operable to process information; memory interfaced with the processor and operable to store information; a chipset interfaced with the processor and having firmware operable to coordinate communication between the processor and one or more devices using I/O commands; and a storage device interfaced with processor and chipset, the storage device operable to perform plural functions including at least a write function to write information and a read function to read information, each function initiated by an associated I/O command including at least a write command to write information and a read command to read information, the storage device having a power manager, the power manager initiating power down states at the storage device if no I/O commands are received at the storage device for a predetermined time period, power manager initiating a power down state after a first time period if the last I/O command is a write command and initiating a power down state after a second time period if the last I/O command is a read command, wherein the first and second time periods are not equal to each other.