| 摘要 |
PROBLEM TO BE SOLVED: To provide a computer in which firmware can be updated even if the computer does not support hardware for changing over a memory address allocated to a flash ROM, necessary for updating the firmware, and to provide an update method for the firmware. SOLUTION: This computer has a primary ROM and a secondary ROM storing the firmware. In updating the firmware, new firmware supplied from the outside is temporarily written in the secondary ROM. When write of the new firmware into the secondary ROM is completed, the firmware held by the secondary ROM is copied to the primary ROM to change over the memory addresses allocated to the primary ROM and the secondary ROM. COPYRIGHT: (C)2008,JPO&INPIT
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