MSI Z97 XPOWER AC, Manual, Page: 58 / 240

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▶ Filter PLL [Auto]*
Enables or disables the filter PLL for CPU. This item appears when the installed CPU
supports this setting.
[Auto] This setting will be configured automatically by BIOS.
[Enabled] Provides wide range of base clock for overclocking when base clock
strap be set to higher value.
[Disabled] Provides normal range of base clock.
< DRAM Setting >
▶ DRAM Reference Clock [Auto]*
Sets the DRAM reference clock. The valid value range depends on the installed CPU.
This item appears when a CPU that supports this adjustment is installed.
▶ DRAM Frequency [Auto]
Sets the DRAM frequency. Please note the overclocking behavior is not guaranteed.
▶ Adjusted DRAM Frequency
Shows the adjusted DRAM frequency. Read-only.
▶Extreme Memory Profile (X.M.P) [Disabled]
X.M.P. (Extreme Memory Profile) is the overclocking technology by memory module.
This item will be available when you install the memory modules that support X.M.P.
technology.
[Disabled] Disables this function.
[Profile 1] Uses profile1 over-clocking settings of installed XMP memory module.
[Profile 2] Uses profile2 over-clocking settings of installed XMP memory module.
▶ Load Memory Presets [Disabled]*
Selects the preset memory overclocking parameters, that includes voltage and timing,
by BIOS to optimize the installed memory performance.
Important
Manual tweaking or fine-tuning the memory parameters is preferred due to different
memory module type and quality.
▶ Memory Try It ! [Disabled]
Memory Try It! works for improving memory compatibility or performance by choosing
optimized memory preset.
▶ DRAM Timing Mode [Auto]
Selects the memory timing mode.
[Auto] DRAM timings will be determined based on SPD (Serial Presence
Detect) of installed memory modules.
[Link] Allows user to configure the DRAM timing manually for all memory
channel.
[UnLink] Allows user to configure the DRAM timing manually for respective
memory channel.