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3-8 Frequency/Voltage Control
By choosing the Frequency/Voltage Control Setup option from the CMOS Setup
Utility menu (Figure 3-1), the screen below is displayed. This sample screen contains
the manufacturer's default values for the mainboard.
CMOS Setup Utility- Copyright (C) 1984-2001 Award Software
Spread Spectrum
Clock By Slight Adjust
:Move Enter:Select
F5:Previous Values
A. Spread Spectrum
This function allows you to select a pulse value of the clock generator to lower
EMI by spreading the system frequency spectrum. When the system clock
generator pulses, the extreme values of the pulse generate excess EMI. Enabling
pulse spectrum spread modulation changes the extreme values from spikes to
flat curves, thus reducing EMI. This benefit may in some cases be outweighed
by problems with timing-critical devices, such as a clock-sensitive SCSI device.
BX
C. Clock By Slight Adjust
This field allows you to select a subtle speed of the CPU Front Side Bus for
overclocking posibility.
Frequency/Voltage Control
+/-0.35%
100
+/-/PU/PD:Value
F6:Fail-Safe Defaults
Figure 3-9 Frequency/Voltage Control Screen
Award BIOS Setup Program
Menu Level
F10:Save
ESC:Exit
F7:Optimized Defaults
Item Help
F1:General Help
39
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