1. A method for selecting a BIOS program for a processor, performing when a board is in a standby state, comprising: separately obtaining system configuration information and a type of a processor on the board, utilizing at least two FLASH memories for separately storing BIOS programs corresponding to different processors set on the board; and comparing, by a baseboard management controller, if a processor type in the system configuration information is different from the type of the processor, updating according to the type of the processor, a parameter that is relevant to the processor in the system configuration information, and changing FLASH memory chip selection configuration in order to connect the processor to a FLASH memory for storing a BIOS program of the processor.