User Manual

5-9
Chapter 5: BIOS
IOU0 (IIO PCIe
Port 2)
This setting selects PCIe port bifurcation for selected slot(s). Options
include x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16 and Auto.
IOU1 (IIO PCIe
Port 3)
This setting selects PCIe port bifurcation for selected slot(s). Options
include x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16 and Auto.
No PCIe Port
Active ECO
This setting is used for workaround settings when no PCIe port is active.
Options include PCU Squelch exit ignore option and Reset the SQ
FLOP by CSR option.
IOAT
Configuration
Use this sub-menu to set IOAT configuration features and optons.
Enable the IOAT Use this setting to Enable or Disable IOAT devices.
No Snoop Use this setting to Enable or Disable No Snoop for each CB device.
Relaxed
Ordering
Use this setting to Enable or Disable Relaxed Ordering.
Intel VT for
Directed I/O (VT-d)
Use this sub-menu to set Intel VT for Directed I/O configuration features
and optons.
Intel VT for
Directed I/O
(VT-d)
This setting Enables or Disables Intel Virtualization Technology for
Directed I/O (VT-d) by reporting the I/O device assignment to VMM through
DMAR ACPI tables.
Interrupt
Remapping
This setting Enables or Disables VT-d interrupt remapping support.
QPI Configuration Use this sub-menu to set QPI configuration features and optons.
QPI General
Configuration
Use this sub-menu to display and provide options to change the QPI
General Settings.
QPI Status This sub-menu leads QPI Status information.
Link Frequency
Select
This setting allows for selecting the QPI Link Frequency. Option include
6.4GB/s, 8.0GB/s, 9.6GB/s, Auto and Auto Limited.
Link L0p Enable Use this setting to Enable or Disable the Link L0p setting.
Link L1 Enable Use this setting to Enable or Disable the Link L1 setting.
COD Enable Use this setting to Enable or Disable the Cluster on Die setting.
Early Snoop
Use this setting to set the Early Snoop setting. Options include Disable,
Enable and Auto.
Isoc Mode Use this setting to Enable or Disable Isoc Mode.
Memory Configuration Use this sub-menu to set Memory Configuration features and options.
Enforce PDR
This setting Enables or Disables the system’s ability to enforce POR
restrictions for DDR4 frequency and voltage programming.
Memory Frequency
This setting selects the memory frequency in Mhz. Options include Auto,
and speed 1333 through 3200. Do not select Reserved.
Data Scrambling
This setting Enables or Disables data scrambling. Options include Auto,
Disabled and Enabled.
Table 5-5. Chipset Configuration Sub-menu (Continued)
Menu Option Description