Overview of BIOS Features
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NOTE
Even if the computer is configured to boot from an LS-120 diskette (in the Setup program’s
Removable Devices submenu), the BIOS recovery diskette must be a standard 1.44 MB diskette not
a 120 MB diskette.
For information about Refer to
The BIOS recovery mode jumper settings Section 2.9.1, page 72
The Boot menu in the BIOS Setup program Section 4.3, page 99
Contacting Intel customer support Section 1.2, page 16
3.8 Boot Options
In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives,
CD-ROM, or the network. The default setting is for the diskette drive to be the first boot device,
the hard drive second, and the ATAPI CD-ROM third. The fourth device is disabled.
3.8.1 CD-ROM Boot
Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM format
specification. Under the Boot menu in the BIOS Setup program, ATAPI CD-ROM is listed as a
boot device. Boot devices are defined in priority order. Accordingly, if there is not a bootable CD
in the CD-ROM drive, the system will attempt to boot from the next defined drive.
For information about Refer to
The El Torito specification Section 1.4, page 17
3.8.2 Network Boot
The network can be selected as a boot device. This selection allows booting from the onboard
LAN or from a network add-in card with a remote boot ROM installed.
Pressing the <F12> key during POST automatically forces booting from the LAN. To use this key
during POST, the User Access Level in the BIOS Setup program’s Security menu must be
set to Full.
For information about Refer to
The BIOS Setup program’s Security menu Table 80, page 113
3.8.3 Booting Without Attached Devices
For use in embedded applications, the BIOS has been designed so that after passing the POST, the
operating system loader is invoked even if the following devices are not present:
• Video adapter
• Keyboard
• Mouse
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