Chapter 4: AMI BIOS
4-13
QPI (Quick Path Interconnect) Configuration
QPI Status
The following information will display:
•
Number of CPU
•
Number of IIO
•
Current QPI Link Speed
•
Current QPI Link Frequency
•
QPI Global MMIO Low Base/Limit
•
QPI Global MMIO High Base/Limit
•
QPI PCIe Configuration Base/Size
Link Speed Mode
Use this item to select the data transfer speed for QPI Link connections. The
options are
Fast
and Slow.
Link Frequency Select
Use this item to select the desired frequency for QPI Link connections. The op-
tions are 6.4GB/s, 8.0GB/s, 9.6GB/s,
Auto,
and Auto Limited.
Link L0p Enable
Select Enable for Link L0p support. The options are
Enable
and Disable.
Link L1 Enable
Select Enable for Link L1 support. The options are
Enable
and Disable.
COD Enable (Available when the OS and the CPU support this feature)
Select Enabled for Cluster-On-Die support to enhance system performance in
cloud computing. The options are Enable,
Disable
,
and Auto.
Early Snoop (Available when the OS and the CPU support this feature)
Select Enabled for Early Snoop support to enhance system performance. The
options are Enable, Disable,
and
Auto
.
