User Manual

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Chapter 5: BIOS Setup
5.11.4 NBIO Common Options
IOMMU [Auto]
This item allows you to enable or disable IOMMU.
Configuration options: [Disabled] [Enabled] [Auto]
The following item appears only when
Enable AER Cap
is set to
[Auto]
or
[Enabled]
.
ACS Enable [Auto]
Configuration options: [Disable] [Enable] [Auto]
PCIe ARI Auto Config [Enable]
This item allows you to enable or disable the PCIe ARI Auto Detect.
Configuration options: [Disable] [Enable]
Worst Case Margin Granularity [Per Chip Select]
Configuration options: [Per Chip Select] [Per Nibble]
Read Voltage Sweep Step Size [2]
This option determines the step size for Read Data Eye voltage sweep.
Configuration options: [1] [2] [4]
Read Timing Sweep Step Size [1]
This option supports step size for Read Data Eye.
Configuration options: [1] [2] [4]
Write Voltage Sweep Step Size [2]
This option determines the step size for write Data Eye voltage sweep.
Configuration options: [1] [2] [4]
Write Timing Sweep Step Size [1]
This option supports step size for write Data Eye.
Configuration options: [1] [2] [4]