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Overview of BIOS Features
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3.7 Boot Options
In the BIOS Setup program, the user can choose to boot from an ATAPI removable media device,
hard drives, CD-ROM, or the network. Boot devices are defined in priority order. The default
setting is for the CD-ROM drive to be the primary boot device and the hard drive to be the
secondary boot device.
3.7.1 CD-ROM and Network Boot
Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM format
specification. The network can also be selected as a boot device. This selection allows booting
from a network add-in card with a remote boot ROM installed.
For information about Refer to
The El Torito specification Section 1.3, page 13
3.7.2 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 keyboard and mouse are not connected.