User's Manual (1.0b)

Chapter 4: AMI BIOS
4-19
Disable TPH
Select Enable to de-activate TLP Processing Hint support. The options are Dis-
able and Enable.
II0 Generation Conguration
The following information will display:
TXT DPR memory setting
Use this item to set TXT DPR settings. The options are 1M DPR, 3M DPR, 64M
DPR, 128M DPR, and 255M DPR.
Unhide QPI PMU Counter
Select Enable to use the PCI-Express counters. Select Disable to hide the PCI-
Express counters. The options are Disable and 255M Enable.
IIO0/IIO1/IIO2/IIO3
II0 IOAPCI
Select Enable to support IIO IOAPIC (I/O Advanced Power Interface Congura-
tion). The options are Enable and Disable.
Intel VT for Directed I/O (VT-d)
Intel VT for Direct I/O (VT-d)
Isoc
Select Enable to enable Isochronous support to meet QoS (Quality of Service)
requirements. This feature is especially important for Intel Virtualization technol-
ogy. The options are Enable and Disable.
VTd (VT-d) Azalea VCp Optimization
Select Enable to enable Intel Virtualization Technology (VT-d) Direct I/O support
to optimize Azalea VCp performance. The options are Disable and Enable.
Intel
®
VT for Directed I/O (VT-d)
Select Enable to enable Intel Virtualization Technology support for Direct I/O
VT-d by reporting the I/O device assignments to the VMM (Virtual Machine
Monitor) through the DMAR ACPI Tables. This feature offers fully-protected I/O
resource sharing across Intel platforms, providing greater reliability, security and
availability in networking and data-sharing. The options are Enable and Disable.