Service Guide

BIOS Setup Utilities
118 Intel
®
Server System P4000IP and Intel
®
Workstation System P4000CR Service Guide
Option Values: N/A
6.4 GT/s
7.2 GT/s
8.0 GT/s
Unknown GT/s
Help Text: <None>
Comments: Information only. Displays current frequency at which the QPI Links
are operating. Appears only on multi-socket boards.
When a multi-socket board has only one processor installed, QPI Link Frequency will be
shown as “N/A”.
12. Intel
®
QPI Frequency Select
Option Values:
Auto Max
6.4 GT/s
7.2 GT/s
8.0 GT/s
Help Text:
Allows for selecting the Intel
®
QuickPath Interconnect Frequency. Recommended to
leave in [Auto Max] so that BIOS can select the highest common Intel
®
QuickPath
Interconnect frequency.
Comments: Lowering the QPI frequency may improve performance per watt for
some processing loads and on certain benchmarks. [Auto Max] will give the maximum QPI
performance available. Appears only on multi-socket boards.
When a multi-socket board has only one processor installed, this will be grayed out, with the
previous value remaining displayed.
Changes in QPI Link Frequency will not take effect until the system reboots, so this will not
immediately change the QPI Link Frequency display. Changing QPI Link Frequency does not
affect the QPI Link Speed.
13. Intel
®
Turbo Boost Technology
Option Values:
Enabled
Disabled
Help Text:
Intel
®
Turbo Boost Technology allows the processor to automatically increase its
frequency if it is running below power, temperature, and current specifications.