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Title: Virus resistant and hardware independent method of flashing system bios
Document: United States Patent 6715074
Abstract: A system and method for making sure that before the ROM BIOS of a personal computer is reprogrammed, the BIOS image is compatible with the computer whose BIOS are being reprogrammed. This is done by requiring the utility that performs the reprogramming of the ROM BIOS to have a secure portion of code that is stored in a portion of the computer's memory that is inaccessible to a user. The secure portion of code is used to make sure that the BIOS image to be programmed into the computer is compatible with the computer.