EP80579 Datasheet, PDF (802/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
value in the unused opcodes to minimize what malicious software can do. A
suggested safe value is to replicate one of the valid entries.
a. Offset 3074h: PREOP – Prefix Opcode Configuration
b. Offset 3076h: OPTYPE – Opcode Type Configuration
c. Offset 3078h: OPMENU – Opcode Menu Configuration
8. Setup protection registers as needed.
a. Offset 3070h: BBAR – BIOS Base Address
b. Offset 3080h: PBR0 – Protected BIOS Range [0-2]
9. Lock down the SPI registers, Offset 3020h: SPIS – SPI Status bit 15.
10. Set Up SMI based write protection as needed (same as FWH).
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Intel^® EP80579 Integrated Processor Product Line Datasheet
802
August 2009
Order Number: 320066-003US