Chapter 4: AMI BIOS
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SR-IOV (Available if the system supports Single-Root Virtualization)
Select Enabled for Single-Root IO Virtualization support. The options are Enabled
and
Disabled.
Maximum Payload
Select Auto for the system BIOS to automatically set the maximum payload value
for a PCI-E device to enhance system performance. The options are
Auto
, 128
Bytes, and 256 Bytes.
Maximum Read Request
Select Auto for the system BIOS to automatically set the maximum size for a read
request 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.
ASPM Support
Use this item to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based
on the system configuration. Select Disabled to disable ASPM support. The options
are
Disabled
, and Auto.
Warning
: Enabling ASPM support may cause some PCI-E devices to fail!
MMIOHBase
Use this item to select the base memory size according to memory-address map-
ping for the IO hub. The base memory size must be between 4032G to 4078G. The
options are
56T
, 48T, 24T, 512G, and 256G.
MMIO High Size
Use this item to select the high memory size according to memory-address mapping
for the IO hub. The options are
256G
, 128G, 512G, and 1024G.
PCI / PCIX / PCIe Slot 1 OPRPM
PCI / PCIX / PCIe Slot 2 OPRPM
PCI / PCIX / PCIe Slot 3 OPRPM
Select Enabled to enable Option ROM support to boot the computer using a de-
vice installed on the slot specified by the user. The options are Disabled,
Legacy
and EFI.
