Gigabyte GA-X79-UD3 User Manual page 41

Memory Frequency(Mhz)
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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 Host Clock Frequency, Processor
Base Clock, and System Memory Multiplier settings.
Advanced Memory Settings
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Extreme Memory Profile (X.M.P.)
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Frequency(Mhz)
The settings under the three items above are synchronous to those under the same items on the Advanced
Frequency Settings menu.
Performance Enhance
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Allows the system to operate at three different performance levels.
Normal Lets the system operate at its basic performance level.

Turbo Lets the system operate at its good performance level. (Default)

Extreme Lets the system operate at its best performance level.

DRAM Timing Selectable
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Quick and Expert allows the Channel Interleaving, Rank Interleaving, and memory timing settings below
to be configurable. Options are: Auto (default), Quick, Expert.
Profile DDR Voltage
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When using a non-XMP memory module or Extreme Memory Profile (X.M.P.) is set to Disabled, this item
will display as 1.50V. When Extreme Memory Profile (X.M.P.) is set to Profile1 or Profile2, this item will
display the value based on the SPD data on the XMP memory.
Profile VTT Voltage
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The value displayed here is dependent on the CPU being used.
(Note) This item is present only when you install a memory module that supports this feature.
, System Memory Multiplier (SPD), Memory
(Note)
- 41 - BIOS Setup