The BIOS is stored in the Serial Peripheral Interface (SPI) Flash device and can be updated using a
disk-based program. The SPI contains the BIOS Setup program, POST, the PCI auto-configuration
utility, and Plug and Play support.

The BIOS displays a message during POST identifying the type of BIOS and a revision code. The
initial production BIOSs are identified as BX97510J.86A.

When the BIOS Setup configuration jumper is set to configure 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.

The BIOS Setup program can be used to view and change the BIOS settings for the computer. The
BIOS Setup program is accessed by pressing the <F2> key after the Power-On Self-Test (POST)
memory test begins and before the operating system boot begins. The menu bar is shown below.

Maintenance Main

Advanced Security Power

Boot

Exit

NOTE

The maintenance menu is displayed only when the board is in configure mode. Section 2.8 on
page 69 shows how to put the board in configure mode.