Chapter 4: UEFI BIOS
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Chapter 4
UEFI BIOS
4.1 Introduction
This chapter describes the AMIBIOS™ Setup utility for the motherboard. The BIOS is stored
on a chip and can be easily upgraded using the BMC WebUI or the SUM utility.
Note: Due to periodic changes to the BIOS, some settings may have been added
or deleted and might not yet be recorded in this manual. Please refer to the Manual
Download area of our website for any changes to the BIOS that may not be reected
in this manual.
Starting the Setup Utility
To enter the BIOS Setup utility, press the <Delete> key while the system is booting up. In
most cases, the <Delete> key is used to invoke the BIOS Setup screen; however, in other
cases, other hot keys, such as <F1>, <F2>, may be used for this purpose. Each main BIOS
menu option is described in this manual.
The Main BIOS screen has two main frames. The left frame displays all the options that can
be congured. “Grayed-out” options cannot be congured. The right frame displays the key
legend. Above the key legend is an area reserved for a text message. When an option is
selected in the left frame, it is highlighted in white, and often a text message will accompany it.
Please note that BIOS has default text messages built in, and we retain the option to include,
omit, or change any of these text messages. Settings printed in Bold are the default values.
A "" indicates a submenu. Highlighting such an item and pressing the <Enter> key will open
the list of settings within that submenu.
The BIOS Setup utility uses a key-based navigation system called hot keys. Most of these
hot keys (<F1>, <F2>, <F3>, <F4>, <Enter>, <ESC>, <Arrow> keys, etc.) can be used at
any time during the setup navigation process.
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