Patent ID: 7788514

Claim:
A computer system that operates in low power and high power modes, the computer system comprising: volatile memory; nonvolatile memory that comprises: a low power disk drive (LPDD); and a high-power disk drive (HPDD); an operating system that provides a virtual memory, wherein: said virtual memory includes at least a portion of said volatile memory; said operating system includes a virtual memory adjustment module; and said virtual memory adjustment module enables designation of at least a portion of said nonvolatile memory for paging files to increase virtual memory of said computer system; and a drive control module that controls data access to said LPDD and said HPDD, wherein: said designation of said at least a portion of said nonvolatile memory is based on a user request to increase said virtual memory; and said drive control module at least one of: selectively controls data access to said LPDD and said HPDD independent of control signals from a host computer; and selectively controls data transfer between said LPDD and said HPDD independent of said control signals from said host computer.