User`s guide

29
Chapter 3: BIOS Setup Utility
CMOS Setup Utility – Copyright (C) 1985-2005, American Megatrends, Inc.
Frequncey/Voltage Control
Help Item
Manufacturer: Intel
Ratio Status: Unlocked (Min:06, Max:Unlimited)
Ratio Actual Value: 10
Ratio CMOS Setting
Auto Detect CPU Frequency Enabled
CPU Frequency Setting: 266
Auto Detect DRAM Frequency Enabled
CPU:DRAM Frequency Ratio 8:5 (667MHZ)
Auto Detect DIMM/PCI Clk Enabled
Spread Spectrum Disabled
Vdimm Voltage Control Normal
CPU VID Voltage Control Normal
: Move Enter: Select +/-/: Value F10: Save Esc: Exit
F1: General Help F9: Optimized Defaults
Manufacturer (Intel)
These items show the brand of the CPU installed in your system.
Ratio Status/Ratio Actual Value
These items show the Locked ratio status and the actual ratio of the CPU
installed in your system.
Ratio CMOS Setting
This item allows you to set the ratio between CPU Core Clock and FSB
Frequency.
Auto Detect CPU/DRAM Frequency
10
Sets the ratio between CPU
Core Clock and the FSB
Frequency.
Note:
Only available when
SpeedStep technology
is disabled.
Frequency/Voltage Control Page
This page helps you to set the clock speed and system bus for your system. The
clock speed and system bus are determined by the kind of processor you have
installed in your system.
Auto Detect DIMM/PCI Clk
This item allows you to enable or disable you to detect DIMM/PCI clock
automatically.
If you enable spread spectrum, it can sighificantly reduce the EMI (Electro-
Magnetic Interference) generated by the system.
Auto Detect CPU/DRAM Frequency (Enabled)When this item is enabled, it
automatically detects and shows the frequency of the CPUand DRAM
memory installed in your system; when disabled, it can adjust the frequencyof
the CPU and DRAM memory.
Vdimm Voltage Control
This item shows the Vdimm Voltage Control function.
CPU VID Voltage Control
This item shows the CPU VID Voltage Control function.
Spread Spectrum