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HARDWARE INSTALLATION
2.5 CPU Internal Frequency Ratio Setting
The switch 2 (SW2) is designated for adjusting the CPU internal frequency ratio. The frequency
ratio is defined in the table below. The internal frequency can be calculated by the following
formula:
CPU internal frequency = frequency ratio x FSB frequency *
* System bus frequency is set in "CPU Host/PCI Clock" of "Frequency " in BIOS SETUP MENU
(Please refer to page 45 ).
NOTE: Because AMD has locked the frequency ratio for new CPUs, setting SW2 to
adjust the frequency ratio is useless. However, it is effective for older version
CPUs.
O: ON
X: OFF
S W 2
1
Default
5.0
O
5.5
X
6.0
O
6.5
X
7.0
O
7.5
X
8.0
O
8.5
X
CPU Internal Frequency Ratio Setting
2
3
4
X
X
O
O
O
X
O
O
O
X
O
O
X
X
X
O
O
O
O
X
O
O
O
X
O
X
X
O
O
X
O
O
X
S W 2
5
10
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