Patent ID: 8769256
Filing Date: 2014-07-01
Classification: G06F,Y02D

Abstract:
1. An operating system switching method, for a computer system comprising a control unit, a memory unit, and a storage unit, wherein the storage unit comprises a first operating system and a second operating system, comprising: dividing the memory unit into a first memory space and a second memory space according to demands of memory spaces for executing the first operating system and the second operating system; loading the first operating system and the second operating system into the first memory space and the second memory space of the memory unit, respectively, and setting the first memory space and the second memory space to a working state and a standby state, respectively; and performing a first switching of the operating systems, and setting the first memory space and the second memory space to the standby state and the working state, respectively, wherein the computer system further comprises a memory controller having a first channel and a second channel to control the first memory space and the second memory space, respectively, wherein the first channel and the second channel are supplied with power of different levels, and power states of the first channel and the second channel are identical to the corresponding power states of the first memory space and the second memory space, respectively, wherein the control unit further comprises a first status unit with a setting value of auto-resuming the memory space, and wherein the control unit further comprises a second status unit with a setting value of a first time of a booting operation.