User`s manual

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Chapter 3 BIOS Setup
This chapter describes the BIOS settings of the DA-681 embedded computers. The BIOS is a set
of input/output control routines for peripherals. The BIOS is used to initialize basic peripherals
and helps boot the operating system before the operating system is loaded. The BIOS setup allows
the user to modify the system configurations of these basic input/output peripherals. All of the
configurations will be stored in the battery backed up CMOS RAM, which retainsthe system
information after system reboots or the power is removed.
This chapter covers the following topics:
 Entering the BIOS Setup Utility
 Modifying the BIOS Main Settings
¾ Basic Configuration
¾ System Security
 Advanced Settings
¾ Hard Disk Boot Priority
¾ Advanced BIOS Features
¾ CPU Features
¾ Advanced Chipset Settings
¾ PnP/PCI Configurations
¾ Frequency/Voltage Control
 Peripherals
¾ OnChip IDE Device
¾ Onboard Device
¾ Onboard I/O Chip Setup
 Power
¾ Wake Up Control
 Hardware Monitor
 Load Defaults
 Exiting the BIOS Setup
 Upgrading the BIOS