ASUS a7n266c Manuel D’Utilisation

4. BIOS SETUP

This field is for unlocked processors only and will not be available to standard
AMD processors. For unlocked processors, this field sets the frequency
multiple between the CPU’s internal frequency (CPU speed) and the external
frequency. (Set this field in conjunction with the CPU/PCI Frequency (MHz)
to match the speed of the CPU.) Configuration options: [5x] [5.5x]
[6.0x]...[12.0x] [12.5x]

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This field displays the internal frequency of your CPU.  In JumperFree mode,
it is possible to change the speed of processors by adjusting the CPU/PCI
multiple.

When the motherboard is set to JumperFree™ mode, this field sets the
internal frequency of your CPU.  Select [Manual] if you want to make
changes to the next two fields. Note that selecting a frequency higher than
the CPU manufacturer recommends may cause the system to hang or crash.
Configuration options: [Manual] [Various frequencies]

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.  Increasing the ratio will increase the
CPU Speed; the user must reboot the computer after making adjustments to
this field.  Configuration options: [103/33] ... [172/33].