DFI SB630-CRM User Manual download pdf (Page 67)

BIOS Setup

Chapter 3 - BIOS Setup

Overview

The BIOS is a program that takes care of the basic level of communication be-

tween the CPU and peripherals. It contains codes for various advanced features

found in this system board. The BIOS allows you to conﬁ gure the system and

save the conﬁ guration in a battery-backed CMOS so that the data retains even

when the power is off. In general, the information stored in the CMOS RAM of

the EEPROM will stay unchanged unless a conﬁ guration change has been made

such as a hard drive replaced or a device added.

It is possible that the CMOS battery will fail causing CMOS data loss. If this hap-

pens, you need to install a new CMOS battery and reconﬁ gure the BIOS settings.

Note:

The BIOS is constantly updated to improve the performance of the sys-

tem board; therefore the BIOS screens in this chapter may not appear

the same as the actual one. These screens are for reference purpose

only.

Default Configuration

Most of the conﬁ guration settings are either predeﬁ ned according to the Load Op-

timal Defaults settings which are stored in the BIOS or are automatically detected

and conﬁ gured without requiring any actions. There are a few settings that you

may need to change depending on your system conﬁ guration.

Entering the BIOS Setup Utility

The BIOS Setup Utility can only be operated from the keyboard and all com-

mands are keyboard commands. The commands are available at the right side of

each setup screen.

The BIOS Setup Utility does not require an operating system to run. After you

power up the system, the BIOS message appears on the screen and the memory

count begins. After the memory test, the message “Press DEL to run setup” will

appear on the screen. If the message disappears before you respond, restart the

system or press the “Reset” button. You may also restart the system by pressing

the <Ctrl> <Alt> and <Del> keys simultaneously.

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DFI SB630-CRM User Manual Page 67