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3
Advanced Chipset features
► System BIOS Cacheable
Select “Enabled” to allow caching of the system BIOS which may improve performance. If any
other program writes to this memory area, a system error may result.
► PCI Express Port 1/2/3/4/5/6
This option is used to enable or disable the PCI Express port. Setting to [Auto] allows the
system to detect the PCI Express devices automatically. If detected, the PCI Express Port is
enabled, or the PCI Express Port is disabled.
► PCI-E Compliancy Mode
This item is used to set the PCI-E compliancy mode. Setting options: [v1.0a]; [v1.0].
► VT-d
VT-d stands for Intel® Virtualization Technology for Directed I/O. The virtualization of I/O
resources is an important step toward enabling a significant set of emerging usage models
in the data center, the enterprise, and the home. VT-d support on Intel platforms provides the
capability to ensure improved isolation of I/O resources for greater reliability, security, and
availability.
► VT-d Isoch Enable
This item is used to enable VT_d Isoch.
► VT-d ATS Enable
This item is used to enable VT_d ATS.
► VT-d Interrupt Remapping
This item is used to set VT-d interrupt remapping.
Phoenix - AwardBIOS CMOS Setup Utility
Advanced Chipset Features
System BIOS Cacheable
Enabled
Item Help
PCI Express Port 1
Auto
PCI Express Port 2
Auto
Menu Level ►
PCI Express Port 3
Auto
PCI Express Port 4
Auto
PCI Express Port 5
Auto
PCI Express Port 6
Auto
PCI-E Compliancy Mode
v1.0a
VT-d
Disabled
X VT-d Isoch Enable
Enabled
X VT-d ATS Enable
Enabled
X VT-d Interrupt Remapping
Enabled
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F5:Previous Values F7:Optimized Defaults
Enabled