Dell DX6004S User Manual download pdf (Page 51)

Using the System Setup Program and UEFI Boot Manager 51

Using the System Setup Program

and UEFI Boot Manager

The System Setup program is the BIOS program that enables you to manage

your system hardware and specify BIOS-level options. From the System Setup

program, you can:

• Change the NVRAM settings after you add or remove hardware

• View the system hardware configuration

• Enable or disable integrated devices

• Set performance and power management thresholds

• Manage system security

Choosing the System Boot Mode

The System Setup program also enables you to specify the boot mode for

installing your operating system:

• BIOS boot mode (the default) is the standard BIOS-level boot interface.

• UEFI boot mode is an enhanced 64-bit boot interface based on Unified

Extensible Firmware Interface (UEFI) specifications that overlays the

system BIOS. See "Entering the UEFI Boot Manager" on page 63 for more

information on this interface.

You must select the boot mode in the Boot Mode field of the Boot Settings

screen of the System Setup Program. Once you specify the boot mode, the

system boots in the specified boot mode and you then proceed to install your

operating system from that mode. Thereafter, you must boot the system to

the same boot mode (BIOS or UEFI) to access the installed operating system.

Trying to boot the operating system from another boot mode causes the

system to halt immediately at startup.

NOTE: Operating systems must be UEFI-compatible (for example, Microsoft

Windows Server 2008 x64 version) to be installed from the UEFI boot mode. DOS and

32-bit operating systems do not support UEFI and can only be installed from the

BIOS boot mode.

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Dell DX6004S User Manual Page 51