Method and arrangement for restoring a damaged ROM BIOS using a previously compressed ROM BIOS image

摘要

In a method and arrangement for restoring a ROM BIOS which is damaged due to electric impact or noise in peripheral equipment supporting an external host computer, a CPU detects and restores the damaged ROM BIOS using a ROM BIOS image already compressed and stored in a flash memory. Therefore, even if the ROM BIOS in the flash memory is damaged, a user need not download the ROM BIOS image.