User`s manual

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4. BIOS Setup
4.10 Frequency/Voltage Control
Auto Detect DIMM/PCI Clk
Keeping this feature at Enabled allows the system to detect the DIMM clock automatically.
The choices are: Enabled (Default) and Disabled.
CPU Host Clock (CPU/PCI)
This feature to adjust the clock speed between CPU and the PCI slots. Recommended to
leave it default. The options are: Default, 115/37MHz(Spd off), 110/35MHz(Spd off),
100/33MHz(Spd on). NOTICE: This setting may be missing from your current BIOS setup.
For stability reason, do not change this setting and leave it at its default setting.
4.11 Load Optimized Defaults
The chipset defaults are settings, which provide for maximum system performance. While
Award has designed the custom BIOS to maximize performance, the manufacturer has the
right to change these defaults to meet their needs.