Frequency/Voltage Control - Acer Aspire E650 Service Manual

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Frequency/Voltage Control

It enables you to set the clock speed and system bus for your system. The clock speed and system
bus are determined by the processor you have installed in your system.
CPU Speed
This item displays the current CPU speed. Users can not make any changes.
Auto Detect PCI Clk
When it is enabled, BIOS will disable the clock signal of free DIMM and PCI slots.
Spread Spectrum
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic Interference)
generated by the system.
CPU Clock
This item allow you to adjust the CPU clock to 200MHz. You can key-in the numbers within the
range to make a precise and ideal adjustment.
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Chapter 2

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