Patent ID: 7500115
Filing Date: 2009-03-03
Classification: G06F,G11C

Abstract:
1. An information handling system (IHS) comprising: a processor; a memory module coupled to the processor via a memory controller on a memory controller board, the memory module, including a memory device; a power source on the memory controller board, coupled to the memory device, for supplying power to the memory device; a first battery on the memory controller board, coupled to the memory device, for supplying power to the memory device; a second battery, located on the memory module and coupled to the memory device, for supplying power to the memory device; a switching circuit coupled to the memory device, the power source, the first battery, and the second battery, for: a charging circuit residing on the memory controller board and capable of charging and discharging the first and second batteries in response to an instruction from the memory controller.