User manual
BCLK Frequency [Auto]
This item appears only when you set Ai Overclock Tuner to [Manual] and allows you to set
the BCLK (base clock) frequency to enhance the system performance. Use the <+> / <‑> to
adjust the value. The values range from 40.0 MHz to 500.0 MHz.
We recommend you to set the value based on the CPU specication, as high BCLK
frequencies may damage the CPU permanently.
BCLK Spread Spectrum [Auto]
This item allows you to enhance the BCLK overclocking capability or reduce the EMI
(electromagnetic disturbance) generated by the BCLK. Set this item to [Enabled] for EMI
reduction, or set this item to [Disabled] to enhance BCLK overclocking. Conguration options:
[Auto] [Disabled] [Enabled]
2.5.2 ASUS MultiCore Enhancement [Auto]
[Auto] This item allows you to maximize the oveclocking performance optimized
by ASUS core ratio settings.
[Disabled] This item allows you to set to default core ratio settings.
2.5.3 CPU Core Ratio [Auto]
This item allows you to set the CPU core ratio limit per core or synchronize automatically to
all cores. Conguration options: [Auto] [Sync All Cores] [Per Core]
When the CPU Core Ratio is set to [Sync All Cores] or [Per Core], the following items
appear.
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].
4-Core Ratio Limit [Auto]
Select [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 4‑Core Limit
value that must be higher than or equal to the 3‑Core Ratio Limit.
ASUS Z170M-PLUS 2-21