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Table 10. Boot Settings details (continued)

Option

Choosing system boot mode

System Setup enables you to specify one of the following boot modes for installing your operating system:

● UEFI boot mode (the default), is an enhanced 64-bit boot interface.

If you have configured your system to boot to UEFI mode, it replaces the system BIOS.

1. From the System Setup Main Menu, click Boot Settings, and select Boot Mode.

2. Select the UEFI boot mode you want the system to boot into.

CAUTION:

Switching the boot mode may prevent the system from booting if the operating system is not

installed in the same boot mode.

3. After the system boots in the specified boot mode, proceed to install your operating system from that mode.

NOTE:

Operating systems must be UEFI-compatible 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.

NOTE:

For the latest information about supported operating systems, go to www.dell.com/ossupport.

Changing boot order

About this task

You may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions may

vary if you have selected BIOS for Boot Mode.

NOTE:

Changing the drive boot sequence is only supported in BIOS boot mode.

Steps

1. On the System Setup Main Menu screen, click System BIOS > Boot Settings > UEFI Boot Settings > UEFI Boot

Sequence.

2. Use the arrow keys to select a boot device, and use the plus (+) and minus (-) sign keys to move the device down or up in

the order.

3. Click Exit, and then click Yes to save the settings on exit.

NOTE:

You can also enable or disable boot order devices as needed.

Network Settings

To view the Network Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS

> Network Settings.

NOTE:

For information about Linux network performance settings, see the Linux Network Tuning Guide for AMD EPYC

Processor Based Servers at AMD.com.

Description

NOTE:

This option controls the UEFI boot order. The first option in the list will

be attempted first.

Table 11. UEFI Boot Settings

Option

UEFI Boot Sequence

Boot Options Enable/Disable

Pre-operating system management applications

Description

Enables you to change the boot device

order.

Enables you to select the enabled or

disabled boot devices