Service Manual

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, go to install your operating system from that mode.
Changing the boot order
This section describes how to change the boot order.
About this task
You may have to change the boot order if you want to boot from a USB drive or an optical drive.
The instructions may vary if you have selected BIOS for Boot Mode.
Changing the drive boot sequence is supported in BIOS boot mode only.
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.
NOTE: Network settings are not supported in BIOS boot mode.
Table 21. Network Settings details
Option Description
UEFI PXE Settings Enables you to control the configuration of the UEFI PXE device.
PXE Device n (n = 1 to 4) Enables or disables the device. When enabled, a UEFI PXE boot option is
created for the device.
PXE Device n Settings(n = 1 to 4) Enables you to control the configuration of the PXE device.
UEFI HTTP Settings Enables you to control the configuration of the UEFI HTTP device.
HTTP Device n (n = 1 to 4) Enables or disables the device. When enabled, a UEFI HTTP boot option is
created for the device.
HTTP Device n Settings (n = 1 to 4) Enables you to control the configuration of the HTTP device.
UEFI iSCSI Settings Enables you to control the configuration of the iSCSI device.
Table 22. PXE Device n Settings details
Option Description
Interface Specifies NIC interface that is used for the PXE device.
Protocol Specifies Protocol that is used for PXE device. This option is set to IPv4 or IPv6. This option is
set to IPv4 by default.
38 Pre-operating system management applications