MSI 970A SLI Krait Edition Mode D'emploi page 44

▶ Adjust PCI-E Frequency (MHz)
Sets the PCI Express frequency.
▶ Unlock CPU Core [Disabled]
This item is used to unlock the CPU core. Please refer to the procedures below for CPU
core unlocked in BIOS setup.
Enter "OC" and set "Unlock CPU Core" to [Enabled].
Save changes and exit the BIOS setup.
System restart.
Success
You will see the "X4" (quad core) or "X2" (dual core for
Sempron series only) during POST.
AMD Phenom(tm) II X4 Processor
AMD Sempron(tm) II X2 Processor
Important
• This CPU core unlocked behavior depends on the CPU ability/ characteristic, and it
is not guaranteed.
• Depend on CPU's characteristic, once you get instable scenario, please restore the
default settings for system.
• You can also check the core numbers in performance tab of Windows task
manager.
▶ XXX Voltage [Auto] (optional)
Sets these voltages. If set to "Auto", BIOS will set these voltages automatically or you
can set it manually.
▶ 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.
Set "Adjust CPU-NB Ratio" and
"HT Link Speed" to [x8].
Clear CMOS data.
Fail
The CPU does not support CPU core
unlocking, please leave the default
settings for system.
En-30