| 摘要 |
A method for updating firmware includes dividing a memory of a computer device into five portions, wherein an initial program, an old program, an old backup firmware, the checksum of the old firmware, and the checksum of the old backup firmware are saved, respectively, in the first portion, the second portion, the third portion, the fourth portion and the fifth portion; executing the initial program in the first portion; writing a new firmware into the second portion from an external device for replacing the old firmware; writing the checksum of the new firmware into the fourth portion; writing the new firmware into the third portion for replacing the old backup firmware; writing the checksum of the new firmware into the fifth portion; and executing the new firmware in the second portion for operating the computer device.
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