Supermicro SuperServer 8048B-TRFT, User Manual

Page: 63 / 84

Chapter 7: BIOS
7-21 7-20
SUPERSERVER 8048B-TRFT USER'S MANUAL
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.
Interrupt Remapping
Select Enable to support Interrupt Remapping to enhance system performance.
The options are
Enable and Disable.
Pass Through DMA
Select Enable for the Non-Iscoh VT-d engine to pass through DMA (Direct Memo-
ry Access) to enhance system performance. The options are
Enable and Disable.
ATS
Select Enable for the Non-Iscoh VT-d engine to pass through ATS to enhance
system performance. The options are
Enable and Disable.
Super Pages
Select Enable for VT-d Super-Pages support to improve system performance.
The options are
Enable and Disable.
Coherence Support
Select Enable for Non-Iscoh VT-d Engine Coherence support to improve system
performance. The options are
Disable and Enable.
PCI Express Global Options
Gen3 (Generation 3) Phase3 Loop Count
Use this feature to set the Loop-Count value for PCI-E Gen3 Phase3 operations.
The options are 1, 4,
16 , and 256.
Skip Halt On DMI Degradation
Select Enable to avoid the system being put on hold during DMI width/link deg-
radation. The options are
Disable and Enable.
Power Down Unused Ports
Select Enable to disable the PCI-E ports that are not active. The options are
Disable , Enable, HSX Disable
SLD WA Revision
Select Auto for the BIOS to automatically update the SLD WA revision status.
The default setting is
Auto .

QPI (Quick Path Interconnect) Configuration
QPI Status
The following information will display:
•
Number of CPU
•
Number of IIO
•
LInk Speed
•
Current QPI Link Frequency
•
QPI Global MMIO Low Base/Limit
•
QPI Global MMIO High Base/Limit
•
QPI PCI-E Configuration Base/Siz (Size)
QPI Link Speed Mode
Use this feature to select the data transfer speed for QPI Link connections. The
options are
Fast and Slow.
Current QPI Link Frequency
Use this feature to select the desired frequency for QPI Link connections. The
options are 6.4GB/s, 7.2GB/s, 8.0GB/s,
Auto, and Use Per LInk Setting.
Link L0p Enable
Select Enable for Link L0p support. The options are Enable,
Auto,
and Disable.
Link L1p Enable
Select Enable for Link L1p support. The options are Enable, Auto, and Disable.