GIGA-BYTE TECHNOLOGY GA-Z270X-UD5, User Manual, Page: 50 / 136

BIOS Setup - 50 -
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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.
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Memory Multiplier Tweaker
Provides different levels of memory auto-tuning. (Default: Auto)
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Channel Interleaving
Enables or disables memory channel interleaving. Enabled allows the system to simultaneously access
different channels of the memory to increase memory performance and stability. Auto lets the BIOS
automatically configure this setting. (Default: Auto)
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Rank Interleaving
Enables or disables memory rank interleaving. Enabled allows the system to simultaneously access different
ranks of the memory to increase memory performance and stability. Auto lets the BIOS automatically
configure this setting. (Default: Auto)
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Channel A/B Memory Sub Timings
This sub-menu provides memory timing settings for each channel of memory. The respective timing setting
screens are configurable only when Memory Timing Mode is set to Manual or Advanced Manual . Note: Your
system may become unstable or fail to boot after you make changes on the memory timings. If this occurs,
please reset the board to default values by loading optimized defaults or clearing the CMOS values.