User manual

53 Chapter 4
4.2.8 Frequency/Voltage Control
Note: This “Frequency/Voltage Control” option controls the CPU Host
and PCI frequency, this page is CPU and Chipset dependent; some items
will show up when a processor which supports those items is installed.
• Auto Detect PCI Clk [Enabled]
This item enables or disables automatic PCI clock detection.
• Spread Spectrum [Disabled]
This item enables or disables spread spectrum modulation.
• CPU Host/3V66/PCI Clock [Default]
This item enables users to set the CPU Host, AGP and PCI clock, either
by automatic detection or manually.
4.2.9 Load Optimized Defaults
Note: Load Optimized Defaults loads the default system values directly
from ROM. If the stored record created by the Setup program should ever
become corrupted (and therefore unusable), these defaults will load auto-
matically when the ARK-338X Series system is turned on.