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Chapter 4: BIOS Setup
4.4 Advanced Menu
CPU Frequency Multiplier (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 allows you to set
the frequency multiple between the CPU’s internal frequency (CPU speed)
and external frequency.
CPU External Frequency (MHz) (when CPU Speed is set to [Manual])
This feature tells the clock generator which frequency to send 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. The ratios
that appear in the popup menu vary according to the CPU Frequency. The
auto setting is recommended for normal use. Configuration options: [Auto]
[3x] [4x]
CPU Speed [Manual]
When the motherboard is set to JumperFree™ mode, this field allows you
to select the internal frequency of the CPU. Select [Manual] if you want to
make changes to the two subsequent fields.
Selecting a frequency higher than the CPU manufacturer recommends
may cause the system to hang or crash!