Acer Altos R520 M2 Series User Manual page 111

Parameter
Intel VT for
Directed for I/O
(VT-d)
Course Grain
Clocking Gating
Intel (R) I/OAT
IOH IOxAPIC
4GB PCI Hole
Granularity
QPI Control
Settings
QPI Link Fast
Mode
QPI Frequency
Selection
QPI Isoch-
Support
QPI DCA
Support
QPI Scramble
Selection
QPI Error Report
Description
Press Enter to display the Intel VT for Directed I/O (VT-d)
configuration menu.
Enable or Disables the Course Grain
Clocking Gating.
Enables or disables the onboard LAN's
I/O Acceleration Technology. The I/O AT
accelerates TCP/IP processing for
onboard NICs, delivers data movement
efficiencies across the entire server
platform and minimizes system
overhead.
Enables or Disables the IOH IOxAPIC.
Sets the 4GB PCI Hole Granularity.
Enables or Disables the QPI Control
Setting.
Enables or Disables the QPI Link Fast
Mode.
Sets the QPI Frequency Selection.
Enables or Disables the QPI Isoch-
support.
Enables or Disables the QPI DCA support.
Enables or Disables the QPI Scramble
Selection.
Enables or Disables the QPI Error Report.
93
Option
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
512 MB
1.0 GB
2.0 GB
Enabled
Disabled
Enabled
Disabled
Auto
4.800GT
5.866GT
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled