Patent ID: 8086841

Claim:
A basic input output system (BIOS) switching system applicable to a computer system, comprising: an input module, for generating a switching signal according to a user input; and a memory module, comprising: a plurality of basic input output systems, including a first BIOS and a second BIOS; an option recording block, which includes an execution option block for recording identification data that corresponds to a position of the first BIOS for identifying the first BIOS, which is used for booting the computer, and a plurality of position recording blocks for respectively recording relative offsets for the basic input output systems within the memory module; and a boot-up management block which, according to whether or not the switching signal has been generated, renews the identification data of the execution option block, wherein renewing the identification data of the execution option block replaces the identification data of the execution option block with identification data corresponding to a position of the second BIOS for identifying the second BIOS, and the boot-up management block executes the second BIOS indicated by the identification data of the execution option block when the computer system boots up.