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Full-Size CPU Card SBC- 780
Chapter3 Award BIOS Setup
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3.2.6 Clk/Voltage Setup
By choosing the [Clk/Voltage] option from the top menu, the screen
below is displayed.
Auto Detect DIMM/PCI CLK
This item allows you to enable/disable auto detect DI MM/PCI
clock.
The choices: Enabled, Disabled.
Spread Spectrum
When the system clock generator pulses, the extreme values of the
pulse generate excess EMI. Enabling pulse spectrum spread
modulation changes the extreme puls e 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.
The choices: Disabled, -0.5%, +/-0.5%, +/-0.25%