Supermicro SuperServer SYS-112C-TN User Manual page 162

SuperServer SYS-112C-TN: UEFI BIOS
MMCFG Size
Use this feature to set the MMCFG size. The options are 64 M, 128 M, 256 M, 512 M, 1 G, 2 G,
and Auto.
Note: The options shown here depend on your memory size.
MMIO High Base
Use this feature to select the base memory size according to memory-address mapping for the
I/O hub. The options are 248T, 120T, 88T, 60T, 30T, 56T, 40T, 32T, 24T, 16T, 4T, 2T, 1T,
512G, 3584T, and Auto. The options of 248T, 120T, 88T, 60T, 30T, and 3584T are CPU-
dependent.
MMIO High Granularity Size
Use this feature to select the high memory size according to memory-address mapping for the
I/O hub. The options are 1G, 4G, 16G, 32G, 64G, 256G, 1024G, and Auto.
Bus Master Enable
If this feature is set to Enabled, the PCI Bus Driver will enable the Bus Master Attribute for DMA
transactions. If it is set to Disabled, the PCI Bus Driver will disable the Bus Master Attribute for
Pre-Boot DMA protection. The options are Disabled and Enabled.
NVMe Firmware Source
Use this feature to select the NVMe firmware to support system boot. The options are Vendor
Defined Firmware and AMI Native Support. The option of Vendor Defined Firmware is pre-
installed on the drive and may resolve errata or enable innovative functions for the drive. The
default option, AMI Native Support, is offered by the BIOS with a generic method.
VGA Priority
Use this feature to select the graphics device to be used as the primary video display for
system boot. The options are Onboard and Offboard.
Onboard Video Option ROM
Select EFI to boot the computer using the Extensible Firmware Interface (EFI) device installed
on the onboard video port. The options are Disabled and EFI.
AIOM PCIe 5.0 x16 / M.2-C1 OPROM / M.2-C2 OPROM / RXIO OPROM / LXIO OPROM /
Onboard NVMe9 Option ROM / Onboard NVMe10 Option ROM / Onboard NVMe11
Option Rom / Onboard NVMe12 Option ROM
Select EFI to boot the computer using the EFI device installed on the PCIe slot specified. The
options are Disabled and EFI.
Note: The number of slots and slot naming vary based on your motherboard features.
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