Dell OptiPlex GX1 Installation Manual page 50

Boot Device Priority
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The Boot Device Priority option lists all bootable devices (hard-disk drives, CD-ROM drives, and so on) that are controlled by the system
BIOS and any Plug and Play network adapters installed in the computer.
Exclude From Boot Device Priority
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The Exclude From Boot Device Priority option allows you to remove from the Boot Device Priority option any boot devices that you want the
system to ignore during system start-up.
Device Controller Priority
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The Device Controller Priority option lists the system BIOS controller; any non-Plug and Play devices, such as network adapter cards; and
any secondary controller cards, such as a small computer system interface (SCSI) adapter, installed in the computer.
NOTE: Non-Plug and Play devices appear in this list as Adapters without ID support.
When determining the order of devices to boot from, the system first considers the order of the devices listed under the Device Controller Priority
option, then the order of devices under Boot Device Priority.
To specify your priority preferences, order the devices under these options so that the highest-priority controller is at the top of the Device
Controller Priority option and the highest-priority device is at the top of the Boot Device Priority option. Order the remainder of the devices in the
Boot Device Priority option according to your preferences. Move any devices that you want the system to ignore during system start-up into the
Exclude From Boot Device Priority option.
NOTE: The system defines drive C in the Boot Device Priority option as the first hard-disk drive attached to the highest-priority device
controller. Therefore, if you have a SCSI adapter installed in your computer and you want the SCSI drive 0 to be drive C, you must
move the SCSI adapter item to the top of the Device Controller Priority option.
To change the order of the devices, press <Ctrl> and the up- or down-arrow key. If you want to revert to the original Boot Device Priority option
settings, press <Ctrl><Del>.
NOTE: If you exit the Device List option by pressing <Esc> or <Alt><b> without making any changes, the Boot Sequence option is set to
the Device List option.
Setup Password
Setup Password indicates whether a password is required before you can change option settings on the System Setup screen. The settings for
this option are normally Enabled or Not Enabled. A third setting, Disabled By Jumper, displays if the Setup Password option is deactivated. (You
can set a jumper on the system board to deactivate the Setup option.)
If Setup Password is set to Enabled, you must enter the correct setup password before you can change the settings for the majority of the System
Setup options. If you do not enter the correct password in three tries, the system lets you view, but not change, the settings on the System Setup
screen, with one exception: if Password Status is Unlocked, you may change the system password.
NOTE: Read "Using the Setup Password
setup password. See "Disabling a Forgotten
Auto Power On
Auto Power On allows you to set the time and days of the week to turn on the computer system automatically. You can set Auto Power On to turn on
Feature" for instructions on assigning a setup password and using or changing an existing
Password" for instructions on disabling a forgotten setup password.