Gigabyte GA-X99-UD4, User Manual, Page: 46 / 128

BIOS Setup
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Advanced Memory Settings
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Extreme Memory Profile (X.M.P.)
(Note)
, System Memory Multiplier, Memory Frequency(MHz)
The settings above are synchronous to those under the same items on the Advanced Frequency Settings
menu.
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Memory Boot Mode
Provides memory detection and training methods.
Auto Lets the BIOS automatically configure this setting. (Default)
Enable Fast Boot Skip memory detection and training in some specific criteria for faster memory
boot.
Disable Fast Boot Detect and train memory at every single boot.
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Memory Enhancement Settings
Provides three different memory performance enhancement settings: Normal (basic performance), Enhanced
Stability, and Enhanced Performance. (Default: Normal)
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Memory Timing Mode
Manual and Advanced Manual allows the Channel Interleaving , Rank Interleaving , and memory timing
settings below to be configurable. Options are: Auto (default), Manual, Advanced Manual.
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Profile DDR Voltage
When using a non-XMP memory module or Extreme Memory Profile (X.M.P.) is set to Disabled , the
value is displayed according to your memory specification. When Extreme Memory Profile (X.M.P.) is set
to Profile1 or Profile2 , the value is displayed according to the SPD data on the XMP memory.
(Note) This item is present only when you install a CPU and a memory module that support this feature.
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Memory Frequency (MHz)
The first memory frequency value is the normal operating frequency of the memory being used; the second
is the memory frequency that is automatically adjusted according to the System Memory Multiplier settings.