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ASUS Z87-A
2.5.1 Ai Overclock Tuner [Auto]
Allows you to select the CPU overclocking options to achieve the desired CPU internal
[Auto] Loads the optimal settings for the system.
[Manual] Allows you to individually set overclocking parameters.
The following item appears only when you set the Ai Overclocking Tuner to [Manual].
Filter PLL [Auto]
Allows you to select a BCLK (base clock) mode when running in a high or low BCLK.
BCLK Frequency [100.0]
Allows you to set the BCLK frequency to enhance the system performance. Use the <+> or
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.
2.5.2 ASUS MultiCore Enhancement [Enabled]
[Enabled] Default set to [Enabled] for maximum performance under XMP/Manual/
[Disabled] Allows you to set to default core ratio settings.
2.5.3 CPU Core Ratio [Sync All Cores]
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].