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Chapter 4: BIOS setupChapter 4: BIOS setup
Chapter 4: BIOS setupChapter 4: BIOS setup
Chapter 4: BIOS setup
FSB/CPU External Frequency SynchronizationFSB/CPU External Frequency Synchronization
FSB/CPU External Frequency SynchronizationFSB/CPU External Frequency Synchronization
FSB/CPU External Frequency Synchronization
Front Side BusFront Side Bus
Front Side BusFront Side Bus
Front Side Bus
CPU External FrequencyCPU External Frequency
CPU External FrequencyCPU External Frequency
CPU External Frequency
FSB 1066 266 MHz
FSB 800 200 MHz
FSB 533 133 MHz
The following item appears only when you install a CPU that supports the
lock free feature. Only some latest CPUs support this feature
CPU Lock Free [Auto]CPU Lock Free [Auto]
CPU Lock Free [Auto]CPU Lock Free [Auto]
CPU Lock Free [Auto]
This feature 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 external FSB.
Configuration options: [Auto] [Disabled] [Enabled]
The following item appears only when you set the
AI OverclockingAI Overclocking
AI OverclockingAI Overclocking
AI Overclocking
item to [Manual].
CPU Frequency [XXX]CPU Frequency [XXX]
CPU Frequency [XXX]CPU Frequency [XXX]
CPU Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and
PCI bus. The value of this item is auto-detected by the BIOS. Use the
<+><+>
<+><+>
<+>
and
<-><->
<-><->
< - > keys to adjust the CPU frequency. You can also type the desired
CPU frequency using the numeric keypad. The values range from 100 to
450. Refer to the table below for the correct Front Side Bus and CPU
External Frequency settings.
Available DRAM frequency options in various FSB settingsAvailable DRAM frequency options in various FSB settings
Available DRAM frequency options in various FSB settingsAvailable DRAM frequency options in various FSB settings
Available DRAM frequency options in various FSB settings
FSBFSB
FSBFSB
FSB
Configuration optionsConfiguration options
Configuration optionsConfiguration options
Configuration options
Auto DDR2- DDR2- DDR2- DDR2- DDR2- DDR2- DDR2-
400 533 667 711* 800* 889* 1067*
FSB 1066 • • • • • • • •
FSB 800 • • • • •
FSB 533 • • •
* Provided for overclocking purpose only.
Selecting a very high DRAM frequency may cause the system to become
unstable! If this happens, revert to the default setting.
DRAM Frequency [Auto]DRAM Frequency [Auto]
DRAM Frequency [Auto]DRAM Frequency [Auto]
DRAM Frequency [Auto]
Allows you to set the DDR operating frequency.
Configuration options: [Auto] [DDR2-400MHz] [DDR2-533MHz]
[DDR2-667MHz] [DDR2-800MHz] [DDR2-711MHz] [DDR2-889MHz]
[DDR2-1067MHz]