Supermicro AS-4124GS-TNR User Manual page 79

Chapter 6: UEFI BIOS
user to boot the computer using a legacy device installed on the NVME connector specified
by the user. The options include Disabled, Legacy and EFI.
Onboard NVMe2 Option ROM
Select EFI to allow the user to boot the computer using an EFI (Extensible Firmware Interface)
device installed on the NVME connector specified by the user. Select Legacy to allow the
user to boot the computer using a legacy device installed on the NVME connector specified
by the user. The options include Disabled, Legacy and EFI.
Onboard NVMe3 Option ROM
Select EFI to allow the user to boot the computer using an EFI (Extensible Firmware Interface)
device installed on the NVME connector specified by the user. Select Legacy to allow the
user to boot the computer using a legacy device installed on the NVME connector specified
by the user. The options include Disabled, Legacy and EFI.
Onboard NVMe4 Option ROM
Select EFI to allow the user to boot the computer using an EFI (Extensible Firmware Interface)
device installed on the NVME connector specified by the user. Select Legacy to allow the
user to boot the computer using a legacy device installed on the NVME connector specified
by the user. The options include Disabled, Legacy and EFI.
Onboard Video Option ROM
Use this setting to select which firmware function is to be loaded for onboard video option
ROM on the system. Options include Disabled, Legacy, and EFI.
JS1A/JS1B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
JS2A/JS2B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
JS3A/JS3B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
JS4A/JS4B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
JS5A/JS5B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
JS6A/JS6B Bifurcation
Options include Auto, x16, x8x8, x4x4x8, and x4x4x4x4.
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