Intel S2600CP Service Manual page 102

Hardware Installations and Upgrades
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10. Current Intel
Option Values:
Help Text:
Comments:
Appears only on multi-socket boards.
QPI Link Speed should display as "Slow" only when running at the "Boot Speed" of 50 MT/s, or
when a multi-socket board has only one processor installed, so QPI is not functional. It should
always be "Fast" when the QPI Link Frequency is in the normal functional range of 6.4 GT/s or
above.
Back to [Processor Configuration
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11. Intel QPI Link Frequency
Option Values:
Help Text:
Comments:
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".
Back to [Processor Configuration
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12. Intel QPI Frequency Select
Option Values:
Help Text:
Allows for selecting the Intel
leave in [Auto Max] so that BIOS can select the highest common Intel
Interconnect frequency.
Comments:
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.
Back to [Processor Configuration
88
QPI Link Speed
Slow
Fast
<None>
Information only. Displays current Link Speed setting for the QPI Links.
Screen] —
N/A
6.4 GT/s
7.2 GT/s
8.0 GT/s
Unknown GT/s
<None>
Information only. Displays current frequency at which the QPI Links are
Screen] —
Auto Max
6.4 GT/s
7.2 GT/s
8.0 GT/s
Lowering the QPI frequency may improve performance per watt for
Screen] —
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Intel Server Board S2600CP Intel
[Advanced Screen]
[Advanced Screen]
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QuickPath Interconnect Frequency. Recommended to
[Advanced Screen]
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Server System P4000CP Family Service Guide
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QuickPath