Intel SC5650HCBRP Product Specification page 137

Intel® Server System SC5650HCBRP TPS
Setup Item
Intel® Virtualization
Technology
Intel® Virtualization
Technology for Directed
I/O
Interrupt Remapping
Coherency Support
ATS Support
Pass-through DMA
Support
Hardware Prefetcher
Adjacent Cache Line
Prefetch
Direct Cache Access (DCA)
Revision 1.2
Options
Enabled Intel® Virtualization Technology allows a
platform to run multiple operating systems
Disabled
and applications in independent partitions.
Note: A change to this option requires the
system to be powered off and then back on
before the setting takes effect.
Enabled Enable/Disable Intel® Virtualization Technology
for Directed I/O.
Disabled
Report the I/O device assignment to VMM
through DMAR ACPI Tables
Enabled
Enable/Disable Intel® VT-d Interrupt
Remapping support.
Disabled
Enabled Enable/Disable Intel® VT-d Coherency support.
Disabled
Enabled
Enable/Disable Intel® VT-d Address Translation
Services (ATS) support.
Disabled
Enabled
Enable/Disable Intel® VT-d Pass-through DMA
support.
Disabled
Enabled
Hardware Prefetcher is a speculative prefetch
unit within the processor(s).
Disabled
Note: Modifying this setting may affect
system performance.
Enabled
[Enabled] - Cache lines are fetched in pairs
(even line + odd line).
Disabled
[Disabled] - Only the current cache line
required is fetched.
Note: Modifying this setting may affect
system performance.
Enabled
Allows processors to increase the I/O
performance by placing data from I/O devices
Disabled
directly into the processor cache.
Intel order number E81443-002
Help Text
BIOS Setup Utility
Comments
Only appears when Intel®
Virtualization Technology for
Directed I/O is enabled.
Only appears when Intel®
Virtualization Technology for
Directed I/O is enabled.
Only appears when Intel®
Virtualization Technology for
Directed I/O is enabled.
Only appears when Intel®
Virtualization Technology for
Directed I/O is enabled.
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