Supero X10DAC, User Manual

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X10DAi/X10DAC/X10DAX Motherboard User’s Manual
Coherency Support (Non-Isoch)
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.
Coherency Support (Isoch)
Select Enable for the Iscoh VT-d engine to pass through ATS to enhance system
performance. The options are Enable and
Disable
.

QPI (Quick Path Interconnect) Configuration

QPI General 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 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.
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 Enable, Disable,
and Auto .