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ROG STRIX Z490-F BIOS Manual
Ai Overclock Tuner
This item 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.
[Manual]
When the manual mode is selected, the BCLK (base clock) frequency can
be assigned manually.
[XMP I]
If you install memory modules supporting the eXtreme Memory Profile
(XMP) Technology, choose this item to load the DIMM’s default XMP
memory timings (CL, TRCD, TRP, TRAS) with BCLK frequency and other
memory parameters optimized by ASUS.
[XMP II]
If you install memory modules supporting the eXtreme Memory Profile
(XMP) Technology, choose this item to load the DIMM’s default XMP
profile.
The
[X.M.P.]
configuration option appears only when you install memory modules
supporting the eXtreme Memory Profile(X.M.P.) Technology.
The following item appears only when
Ai Overclock Tuner
is set to
[XMP I]
or
[XMP II]
.
XMP
This item allows you to select your eXtreme Memory Profile (XMP). Each profile has
its own DRAM frequency, timing and voltage.
The following items appear only when
Ai Overclock Tuner
is set to
[XMP I]
,
[XMP II]
, or
[Manual]
.
BCLK Frequency
This item allows you to set the BCLK (base clock) frequency to enhance the system
performance. Use the <+> or <-> to adjust the value.
We recommend you to set the value based on the CPU specification, as high BCLK
frequencies may damage the CPU permanently.
BCLK Spread Spectrum
This item allows you to enable or disable the BCLK Spread Spectrum. When set to
[Enabled]
the peak value of EMI emissions is reduced. Set to
[Disabled]
for a more
accurate Base Clock.
Configuration options: [Auto] [Disabled] [Enabled]
ASUS MultiCore Enhancement
[Auto - Lets BIOS Optimize]
This item allows you to use ASUS optimized core ratio
Turbo settings at default processor speeds.
[Disabled - Enforce All limits]
This item allows you to use Intel default Turbo core ratio
settings.
[Enabled - Remove All limits]
This item allows you to use optimized power and current
thresholds for maintaining maximum performance.
