MSI A88X-G45 - OC Menu: Memory Timings and Spread Spectrum

Chapter 3
3-16BIOS Setup
Intel Extreme Memory Pro󰘰le (XMP) [Disabled]
X.M.P. (Extreme Memory Pro󰘰le) is the overclocking technology by memory module.
This item will be available when you install the memory modules that support X.M.P.
technology. When the Intel Extreme Memory Pro󰘰le (XMP) is Enabled, the AMD
Memory Pro󰘰le (AMP) will be forced to be disabled.
[Disabled] Disables this function.
[Enabled] Choose to apply an Intel Extreme Memory Pro󰘰le (XMP) to increase
system performance.
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 con󰘰gure the DRAM timing manually for all memory
channel.
[UnLink] Allows user to con󰘰gure the DRAM timing manually for respective
memory channel.
Advanced DRAM Con󰘰guration
Press <Enter> to enter the sub-menu. This sub-menu will be activated after setting
[Link] or [Unlink] in “DRAM Timing Mode”. User can set the memory timing for each
memory channel. The system may become unstable or unbootable after changing
memory timing. If it occurs, please clear the CMOS data and restore the default
settings. (Refer to the Clear CMOS jumper/ button section to clear the CMOS data,
and enter the BIOS to load the default settings.
XXX Voltage [Auto]
Sets these voltages. If set to "Auto", BIOS will set these voltages automatically or you
can set it manually.
Spread Spectrum
This function reduces the EMI (Electromagnetic Interference) generated by modulating
clock generator pulses.
[Enabled] Enables the spread spectrum function to reduce the EMI
(Electromagnetic Interference) problem.
[Disabled] Enhances the overclocking ability of CPU Base clock.
Important
If you do not have any EMI problem, leave the setting at [Disabled] for optimal
system stability and performance. But if you are plagued by EMI, select the value of
Spread Spectrum for EMI reduction.
The greater the Spread Spectrum value is, the greater the EMI is reduced, and
the system will become less stable. For the most suitable Spread Spectrum value,
please consult your local EMI regulation.
Remember to disable Spread Spectrum if you are overclocking because even a
slight jitter can introduce a temporary boost in clock speed which may just cause
your overclocked processor to lock up.
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