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X10DRG-O(T)+-CPU User’s Manual
QPI (Quick Path Interconnect) Confi guration
QPI General Confi guration
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 Confi guration Base/Size
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 Disable and Enable.
Link L1 Enable
Select Enable for Link L1 support. The options are Disable and Enable.
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 Disable and Enable.
Early Snoop (Available when the OS and the CPU support this feature)
Select Enable for Early Snoop support to enhance system performance. The
options are Disable, Enable, and Auto.
Isoc Mode
Select Enable for Isochronous support to meet QoS (Quality of Service) require-
ments. This feature is especially important for Virtualization Technology. The
options are Disable and Enable.
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