Supermicro X13DEG-M User Manual page 133

Note 2: The option of Legacy is available when "Boot Mode Select" is set to Dual or
Legacy.
Note 3: Refer to Boot submenu
"Boot Mode Select."
Onboard Video Option ROM
Select EFI to allow you to boot the computer using the Extensible Firmware Interface (EFI)
device installed on the onboard video port. The options are Disabled, EFI, and Legacy.
SLOT1 – 8 PCIe5.0x16 OPROM / JM2_1 OPROM / JM2_2 OPROM
Select EFI to allow you to boot the computer using the EFI device installed on the PCIe slot
specified. The options are Disabled, Legacy, and EFI.
CPU1/2 AOM-XXXXX-PCIE SLOTX PCIe 5.0 X16 OPROM
Select EFI to allow you to boot the computer using the EFI device installed on the PCIe slot
specified. The options are Disabled, Legacy, and EFI. The avaiability and the naming of this
feature depends on the connection of the side switch boards.
HTTP Boot Configuration

HTTP Boot Policy
Use this feature to set the HTTP boot policy. The options are Apply to all LANs, Apply to
each LAN, and Boot Priority #1 instantly.
HTTPS Boot Checks Hostname
Enable this feature for HTTPS boot to check the hostname of the TLS certificates to see if it
matches the host name provided by the remote server. The options are Enabled and Disabled
(WARNING: Security Risk!!).
Priority of HTTP Boot
Instance of Priority 1 (Available when your motherboard supports this feature)
This feature sets the rank target port. The default setting is 1.
Select IPv4 or IPv6
This feature specifies which connection the target LAN port should boot from. The options
are IPv4 and IPv6.
Boot Description
Use this feature to enter a boot description, which cannot be longer than 75 characters. Please
be sure to enter a boot description; otherwise, the boot option for the URI cannot be created.
(Section 4.7) in the BIOS Setup main menu to set
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Chapter 4: UEFI BIOS