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3-12 Dell Precision 210 Desktop Systems User’s Guide
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Boot Sequence
can be set to Diskette First (the default), Hard Disk Only, CD-ROM
First, or Device List.
The term
boot
refers to the system’s start-up procedure. When turned on, the
system “bootstraps” itself into an operational state by loading into memory a
small program, which in turn loads the necessary operating system. Boot
Sequence
tells the system where to look for the files that it needs to load.
Selecting Diskette First causes the system to try booting from drive A first. If the
system finds a diskette that is not bootable in the drive or finds a problem with
the drive itself, it displays an error message. If it does not find a diskette in the
drive, the system tries to boot from the hard-disk drive (drive 0), then from the
CD-ROM drive, and finally from the Plug and Play network adapters in the order
found.
Selecting Hard Disk Only
causes the system to attempt to boot first from the
hard-disk drive and then from the Plug and Play network adapters in the order
found. The system will not attempt to boot from drive A or the CD-ROM drive.
Selecting CD-ROM First causes the system to try booting from the CD-ROM drive
first. If the system finds a CD that is not bootable in the drive or finds a problem
with the drive itself, it displays an error message. If it does not find a CD in the
drive, the system tries to boot from drive A, then from drive C, and finally from
the Plug and Play network adapters in the order found.
Device List provides access to the Device List screen (see Figure 3-2), where you
can choose from a list of available boot devices and specify the order in which your
computer attempts to boot from these devices. To view the Device List screen, press
<Ctrl> and the right-arrow key.
The Device List screen provides three options for listing and prioritizing the available
boot devices on your system:
Boot Device Priority
Exclude From Boot Device Priority
Device Controller Priority