35 PCA-6781 User Manual
Chapter 3 BIOS Operation
3.2.9 Frequency/Voltage Control
! Auto Detect PCI Clk [Enabled]
This item enables users to set the PCI Clock by system automatic detection or
by manual.
! Spread Spectrum [Disabled]
This item enables users to set the spread spectrum modulation.
! CPU Host/SRC/PCI Clock [Default]
This item enables users to set the CPU Host and PCI clock by system auto-
matic detection or by manual.
Note! This "Frequency/Voltage Control" option controls the CPU Host and PCI
frequency; this page is chipset dependent. Some items will show up only
when you install a processor which supports those functions.