Asus P4B-LX Motherboard DIY Troubleshooting Guide - Page 65

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4.4 Advanced Menu CPU Speed [Manual] This parameter allows you to change the internal CPU frequency from the available options. Select [Manual] if you desire to change the settings of the two subsequent parameters. Selecting a higher CPU frequency other than the CPU manufacturer's recommended frequency may cause the system to hang or crash. CPU Frequency Multiple (when CPU Speed is set to [Manual]) This field is for unlocked processors only. If your processor frequency multiple is locked, you cannot access this field. This field sets the frequency multiple between the CPU's internal frequency (CPU speed) and external frequency. CPU/PCI Frequency (MHz) (when CPU Speed is set to [Manual]) This field shows the frequency the clock generator sends to the system bus and PCI bus. The bus frequency (external frequency) multiplied by the bus multiple equals the CPU speed. The setting of this field depends on the CPU Frequency Multiple. CPU/Memory Frequency Ratio [Auto] This field determines whether the memory clock frequency is set to be in synchronous or asynchronous mode with respect to the system frequency. The options that appear in the popup menu vary according to the CPU/PCI Frequency (MHz). Configuration options: [Auto] [1:1] [3:4] ASUS P4B-LX motherboard user guide 4-15

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ASUS P4B-LX motherboard user guide
4-15
4.4
Advanced Menu
CPU Frequency Multiple (when CPU Speed is set to [Manual])
This field is for unlocked processors only. If your processor frequency
multiple is locked, you cannot access this field. This field sets the
frequency multiple between the CPU’s
internal frequency (CPU speed)
and external frequency.
CPU/PCI Frequency (MHz)
(when CPU Speed is set to [Manual])
This field shows the frequency the clock generator sends to the system
bus and PCI bus. The bus frequency (external frequency) multiplied by the
bus multiple equals the CPU speed. The setting of this field depends on
the CPU Frequency Multiple.
CPU/Memory Frequency Ratio [Auto]
This field determines whether the memory clock frequency is set to be in
synchronous or asynchronous mode with respect to the system frequency.
The options that appear in the popup menu vary according to the CPU/PCI
Frequency (MHz). Configuration options: [Auto] [1:1] [3:4]
CPU Speed [Manual]
This parameter allows you to change the internal CPU frequency from the
available options. Select [Manual] if you desire to change the settings of
the two subsequent parameters.
Selecting a higher CPU frequency other than the CPU manufacturer’s
recommended frequency may cause the system to hang or crash.