Electrical computers and digital processing systems: support – Computer program modification detection by cryptography
Reexamination Certificate
2007-05-01
2007-05-01
Song, Hosuk (Department: 2135)
Electrical computers and digital processing systems: support
Computer program modification detection by cryptography
C713S191000, C726S026000, C726S030000
Reexamination Certificate
active
09503939
ABSTRACT:
A modular BIOS update mechanism provides a standardized method to update options ROMs and to provide video and processor microcode upgrades in a computer system without requiring a complete replacement of the system BIOS. The MBU mechanism provides several advantages. First, new features and BIOS bugs from earlier release may be delivered to an installed base of end-user systems even if direct OEM support cannot be identified. Also, BIOS components may be provided as a validated set of revisions. With resort to a validation matrix, BIOS updates may be managed easily. The modular BIOS update is particularly useful in systems having several independent BIOS's stored within unitary firmware.
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Dodson Thomas
Gafken Andrew H.
Lovelace John V.
Wilson Todd D.
Intel Corporation
Kenyon & Kenyon LLP
Song Hosuk
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