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Chapter 6: BIOS
Maximum Read Request
Select Auto to allow the system BIOS to automatically set the maximum read request size
for a PCI-E device to enhance system performance. The options are Auto, 128 Bytes, 256
Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
MMCFG Base
Use this feature to select the default value for the PCI MMIO (Memory-Mapped IO) base
address. The options are 1G, 1.5G, 1.75G, 2G, 2.25G, and 3G.
NVMe Firmware Source
Use this item to select the NVMe firmware to support booting. The options are Vendor
Defined Firmware and AMI Native Support. The default option, Vendor Defined Firmware,
is pre-installed on the drive and may resolve errata or enable innovative functions for the
drive. The other option, AMI Native Support, is offered by the BIOS with a generic method.
VGA Priority
Use this item to select the graphics device to be used as the primary video display for system
boot. The options are Onboard and Offboard.
RSC-UMR-8 SLOT1 PCI-E x8 OPROM
RSC-UMR-8 M.2_PCIe OPROM
Select Disabled to deactivate the selected slot, Legacy to activate the slot in legacy mode,
and EFI to activate the slot in EFI mode. The options are Disabled, Legacy, and EFI.
Onboard LAN Option ROM Type
Select an option to enable Option ROM support to boot the computer using a device specified
by the user. The options are Legacy and EFI.
Onboard LAN1 Option ROM
Onboard LAN2 Option ROM
Use the above four items to select the type of device installed in a LAN port specified by the
user for system boot. The default setting for Onboard LAN1 Option ROM is PXE, and the
default setting for Onboard LAN2 Option ROM is Disabled.
Onboard NVMe1 Option ROM
Onboard NVMe2 Option ROM
Onboard NVMe3 Option ROM
Onboard NVMe4 Option ROM
Use the above four items to select the type of the device installed on an NVMe port specified
by the user for system boot. The options are Disabled, Legacy, and EFI.
AOC-URN6-i2XT NVMe3 OPROM / AOC-URN6-i2XT NVMe4 OPROM / AOC-URN6-i2XT
NVMe5 OPROM / AOC-URN6-i2XT NVMe6 OPROM / AOC-URN6-i2XT NVMe1 OPROM
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