50
BIOS Setup
Success
Enter OC and set Unlock CPU Core to Enabled.
Save changes and exit the BIOS setup.
System restart.
You will see the X4 (quad core) or X2 (dual core for
Sempron series only) during POST.
Fail
Set Adjust CPU-NB Ratio and HT
Link Speed to [x8].
AMD Phenom(tm) II X4 Processor
Clear CMOS data.
The CPU does not support CPU core
unlocking, please leave the default
settings for system.
AMD Sempron(tm) II X2 Processor
Important
y
This CPU core unlocked behavior depends on the CPU ability/ characteristic, and it
is not guaranteed.
y
Depend on CPU’s characteristic, once you get instable scenario, please restore the
default settings for system.
y
You can also check the core numbers in performance tab of Windows task manager.
f XXX Voltages control [Auto]
These options allows you to set the voltages related to components. If set to Auto,
BIOS will set these voltages automatically or you can set it manually.
f Spread Spectrum [Disabled]
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
y
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.
y
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.
y
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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