Asus P9D WS - Manual (Page 80)

3-10 Chapter 3: BIOS setup
Chapter 3
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]
Loads the optimal settings for the system.
[X.M.P.] Allows your system to automatically optimize the CPU ratio, BCLK
frequency, and memory parameters. If you install memory modules
supporting the eXtreme Memory Profile (X.M.P.) Technology, select this
item to set the profiles supported by your memory modules for optimizing
the system performance.
The following item appears only when you set the Ai Overclocking Tuner to [X.M.P.].
eXtreme Memory Profile
Allows you to select the X.M.P. mode supported by your memory module.
Configuration options: [Profile #1] [Profile #2]
ASUS MultiCore Enhancement [Enabled]
[Enabled] Default set to [Enabled] for maximum performance under XMP/Manual/
User-defined memory frequency mode.
[Disabled] Allows you to set to default core ratio settings.
CPU Core Ratio [Auto]
Allows you to set the CPU ratio and synchronize automatically either per core or all cores.
Configuration options: [Auto] [Sync All Cores] [Per Core]
When the CPU Core Ratio is set to [Per Core], the following item appears:
1-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually
assign a 1-Core Limit value that must be higher than or equal to the 2-Core
Ratio Limit.
2-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually
assign a 2-Core Limit value that must be higher than or equal to the 3-Core
Ratio Limit.
If you assign a value for 2-Core Ratio Limit, do not set the 1-Core Ratio Limit to [Auto].
3-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually
assign a 3-Core Limit value that must be higher than or equal to the 4-Core
Ratio Limit.
If you assign a value for 3-Core Ratio Limit, do not set the 1-Core Ratio Limit and 2-Core
Ratio Limit to [Auto].