101
3 Overview of BIOS Features
What This Chapter Contains
3.1 Introduction...............................................................................................................101
3.2 BIOS Flash Memory Organization ............................................................................102
3.3 Resource Configuration............................................................................................102
3.4 System Management BIOS (SMBIOS) .....................................................................103
3.5 Legacy USB Support................................................................................................104
3.6 BIOS Updates...........................................................................................................105
3.7 Recovering BIOS Data .............................................................................................106
3.8 Boot Options.............................................................................................................107
3.9 Fast Booting Systems with Intel
®
Rapid BIOS Boot ..................................................107
3.10 BIOS Security Features............................................................................................109
3.1 Introduction
The D815EEA2 and D815EPEA2 boards use an Intel/AMI BIOS that is stored in the Firmware
Hub (FWH) and can be updated using a disk-based program. The FWH contains the BIOS Setup
program, POST, APM, the PCI auto-configuration utility, and Plug and Play support.
The D815EEA2 and D815EPEA2 boards support system BIOS shadowing, allowing the BIOS to
execute from 64-bit onboard write-protected DRAM.
The BIOS displays a message during POST identifying the type of BIOS and a revision code. The
initial production BIOS is identified as EA81520A.86A.
When the D815EEA2 or D815EPEA2 board’s jumper is set to configuration mode and the
computer is powered-up, the BIOS compares the CPU version and the microcode version in the
BIOS and reports if the two match.
For information about Refer to
The D815EEA2 and D815EPEA2 boards’ compliance level with APM and
Plug and Play
Table 4, page 20
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