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Chapter 3: BIOS Setup
3.1. About the BIOS
The BIOS is the basic input/output system, the firmware on the motherboard that enables your
hardware to interface with your software. The BIOS determines what a computer can do without
accessing programs from a disk. The BIOS contains all the code required to control the keyboard,
display screen, disk drives, serial communications, and a number of miscellaneous functions. This
chapter describes the various BIOS settings that can be used to configure your system.
The BIOS section of this manual is subject to change without notice and is provided for reference
purposes only. The settings and configurations of the BIOS are current at the time of print and are
subject to change, and therefore may not match exactly what is displayed on screen.
This section describes the BIOS setup program. The setup program lets you modify basic
configuration settings. The settings are then stored in a dedicated, battery-backed memory (called
NVRAM) that retains the information even when the power is turned off.
To start the BIOS setup utility:
1. Turn on or reboot your system.
2. Press <Del> during POST (F4 on remote console) to start the BIOS setup utility.
3.1.1 Setup Basics
The table below shows how to navigate in the setup program using the keyboard.
Key
Tab
Left/Right Arrow Keys
Up/Down Arrow Keys
Enter
PgUp/PgDn Keys
3.1.2 Getting Help
Pressing [F1] will display a small help window that describes the appropriate
keys to use and the possible selections for the highlighted item. To exit the Help Window, press
[ESC] or the [F1] key again.
Moves from one selection to the next
Changes from one menu to the next
Moves between selections
Opens highlighted section
Changes settings.
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