Asus Maximus VI Extreme Manual page 100

Ai Overclock Tuner [Auto]
Allows you to select the CPU overclocking options to achieve the desired CPU internal
frequency. Select any of these preset overclocking configuration options:
[Auto]
[Manual]
[X.M.P.]
The [X.M.P.] configuration option appears only when you install memory modules
supporting the eXtreme Memory Profile(X.M.P.) Technology.
ASUS MultiCore Enhancement [Enabled]
[Enabled]
[Disabled]
CPU Core Ratio [Auto]
Allows you to set the CPU ratio and sync automatically, per core or all cores.
Configuration options: [Auto] [Sync All Cores] [Per Core]
When the CPU Core Ratio is set to [Auto], the following item appears:
3-8
Loads the optimal settings for the system.
Allows you to individually set overclocking parameters.
If you install memory modules supporting the eXtreme Memory Profile
(X.M.P.) Technology, choose this item to set the profiles supported by your
memory modules for optimizing the system performance.
Default is set to [Enabled] for maximum performance under XMP/Manual/
User-defined memory frequency mode.
Allows you to set to default core ratio settings.
Min CPU Cache Ratio [Auto]
Allows you to set the uncore ratio of the processor to its possible minimum
value.
Configuration options: [Auto] [1] - [30]
Max CPU Cache Ratio [Auto]
Allows you to set the uncore ratio of the processor to its possible maximum
value.
Configuration options: [Auto] [1] - [30]
Chapter 3: BIOS setup