TYAN S5548, Manual

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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 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 Function
↑↓

Move cursor
<Enter> Execute command or select submenu
<->/<+> Select the previous or next value/setting of the field
<ESC> Exit current menu
<F1> General help
<F2> Previous values
<F3> Load the Optimal default configuration values of the
menu
<F4> Save and exit
<PgUp> / <PgDn> Move cursor to next/previous page