Computer system and method for updating basic input/output system by switching between local mode and bypass mode through baseboard management controller

摘要

A computer system including a central processing unit (CPU), a chipset connected to the CPU, a baseboard management controller (BMC) connected to the chipset, and a basic input/output system (BIOS) unit connected to the BMC is provided. The BMC switches a connection mode which the BMC connecting to the BIOS unit between a local mode and a bypass mode. The BIOS unit communicates with the chipset directly, when the connection mode is switched to the bypass mode. The BMC switches the connection mode from the bypass mode to the local mode, when the BIOS unit should be updated. Then, the BMC communicates with the BIOS unit directly, and the BIOS updating file is written into the BIOS unit.

主权项

1. A computer system, comprising:
a central processing unit; a chipset, connected to the central processing unit; a baseboard management controller, connected to the chipset; and a basic input/output system unit, connected to the baseboard management controller, wherein the baseboard management controller comprises an interface unit, the baseboard management controller switches the interface unit between the local mode and the bypass mode, so as to change a connection mode of the baseboard management controller with the basic input/output system unit, wherein the baseboard management controller switches the connection mode of the baseboard management controller with the basic input/output system unit between a local mode and a bypass mode, when in the bypass mode, the basic input/output system unit communicates with the chipset directly, and when the basic input/output system unit is needed to be updated, the baseboard management controller switches the connection mode from the bypass mode to the local mode, the baseboard management controller communicates with the basic input/output system unit directly and directly writes a basic input/output system updating file into the basic input/output system unit.