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Installing the Motherboard
2-5. CPU Frequency Settings
The BF6 provides two ways to configure CPU settings. One uses the ABIT CPU Soft Menu
III technology, the other uses DIP Switches. You can use the DS10 to enable or disable Soft
Menu III.
When you enable Soft Menu III, all DIP switches must be set to OFF.
DIP SW (DS1~DS8): DIP Switch for Setting CPU Frequency
The following tables will present the adjustment for the CPU frequency and multiplier factor.
(The default settings are all "OFF.")
Multiplier
DS1
DS2
DS3
Factor
1.5
ON
OFF
ON
2.0
OFF
ON
ON
2.0
ON
OFF
OFF
2.5
OFF
OFF
ON
3.0
OFF
ON
OFF
3.5
OFF
OFF
OFF
4.0
OFF
ON
ON
4.5
OFF
OFF
ON
5.0
OFF
ON
OFF
5.5
OFF
OFF
OFF
6.0
ON
ON
ON
6.5
ON
OFF
ON
7.0
ON
ON
OFF
7.5
ON
OFF
OFF
8.0
ON
ON
ON
AGP Frequency
The DS9 lets you set the frequency ratio between AGP clock and the Front Side Bus (CPU
Bus). Generally, if you set the CPU FSB clock to 66MHz, you ought to set this switch to
"OFF (1/1)". If you set the CPU FSB clock to 100Mhz or higher, you ought to set this switch
to "ON (2/3)"
NOTE
External
Clock
DS4
DS5
DS6
Frequency
ON
66
OFF
OFF
OFF
75
OFF
ON
ON
83
ON
OFF
OFF
100
OFF
OFF
OFF
103
ON
ON
OFF
112
OFF
ON
ON
124
ON
ON
ON
133
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
2-17
DS7
DS8
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
User's Manual
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