Computer system and method for updating basic input/output system by switching between local mode and bypass mode through baseboard management controller
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United States of America Patent
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Apr 21, 2015
Grant Date -
May 30, 2013
app pub date -
Feb 15, 2012
filing date -
Nov 30, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
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.
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