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Chapter 2: BIOS setupChapter 2: BIOS setup
Chapter 2: BIOS setupChapter 2: BIOS setup
Chapter 2: BIOS setup
CPU External Frequency [XXX] (value is auto-detected)CPU External Frequency [XXX] (value is auto-detected)
CPU External Frequency [XXX] (value is auto-detected)CPU External Frequency [XXX] (value is auto-detected)
CPU External Frequency [XXX] (value is auto-detected)
Indicates the frequency sent by the clock generator to the system bus and
PCI bus. The bus frequency (external frequency) multiplied by the bus
multiple equals the CPU speed. The value of this item is auto-detected by
BIOS. The values range from 100 to 400. Refer to the following table for
the correct Front Side Bus and CPU External Frequency settings. Use the
<+> and <-> keys to adjust the value.
DRAM Frequency [Auto]DRAM Frequency [Auto]
DRAM Frequency [Auto]DRAM Frequency [Auto]
DRAM Frequency [Auto]
Sets the DDR operating frequency.
Configuration options: [266 Mhz] [320 Mhz] [400 Mhz] [Auto]
Refer to the CPU documentation before setting the CPU VCore voltage.
A very high Vcore voltage can severely damage the CPU!
AGP/PCI Frequency (MHz) [Auto]AGP/PCI Frequency (MHz) [Auto]
AGP/PCI Frequency (MHz) [Auto]AGP/PCI Frequency (MHz) [Auto]
AGP/PCI Frequency (MHz) [Auto]
Sets the AGP/PCI operating frequency. Configuration options: [Auto]
[66.66/33.33] [72.73/36.36] [80.00/40.00]
CPU VCore Voltage [Auto]CPU VCore Voltage [Auto]
CPU VCore Voltage [Auto]CPU VCore Voltage [Auto]
CPU VCore Voltage [Auto]
Allows selection of the CPU VCore voltage. The configuration options vary
depending on the CPU installed. Setting to Auto allows the BIOS to detect
the VCore voltage of the CPU installed.
• Refer to the DDR documentation before setting the memory
frequency. Setting a very high memory voltage may damage the
memory module(s)!
• Selecting a DRAM frequency that is not supported by your DIMM
module may cause the system to become unstable! If this happens,
revert to the default setting.
The following items appears only when the
AI Overclock Tuner AI Overclock Tuner
AI Overclock Tuner AI Overclock Tuner
AI Overclock Tuner item
is set to Manual.
DDR Reference Voltage [Auto]DDR Reference Voltage [Auto]
DDR Reference Voltage [Auto]DDR Reference Voltage [Auto]
DDR Reference Voltage [Auto]
Sets the DDR reference voltage. Configuration options: [2.85V] [2.75V]
[2.65V] [2.55V] [Auto]
CPU Lock Free [Auto]CPU Lock Free [Auto]
CPU Lock Free [Auto]CPU Lock Free [Auto]
CPU Lock Free [Auto]
Allows you to adjust the CPU multiplier to 14x. Setting this item to [Auto]
allows the motherboard to automatically reduce the CPU multiplier value for
more flexibility when increasing the external FSB. This item appears only if
you installed a CPU with the CPU Lock Free feature.
Configuration options: [Auto] [Disabled] [Enabled]