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6BXM
3.5. CPU SPEED SETUP
The default system bus speed is 66 / 100MHz. The user can change the DIP
SWITCH (SW2) selection to set up the CPU speed for 233 - 633MHz processor.
The CPU speed must match with the frequency RATIO. It will cause system
hanging up if the frequency RATIO is higher than CPU's.
SW1:
CPU
AGP
PCICLK
66
66
75
75
83
83
100
66
112
75
133
89
SW2:
CLK RATIO
1
X3
ON
X3.5
OFF
X4
ON
X4.5
OFF
X5
ON
X5.5
OFF
X6
ON
X6.5
OFF
M
The CPU is a sensitive electric component and it can be easily
damaged by static electricity, so users must keep it away from metal
surface when the CPU is installed onto mainboard.
M
Note: We don't recommend you to setup your system speed to 75, 83,
112 or 133MHz because these frequencies are not the standard
specifications for CPU, Chipset and most of the peripherals.
Whether your system can run under 75, 83, 112 or 133MHz
properly will depend on your hardware configurations: CPU,
SDRAM, Cards, etc.
1
33.4
ON
37.5
ON
41.65
ON
33.43
OFF
37.33
OFF
44.33
OFF
2
OFF
OFF
ON
ON
OFF
OFF
ON
ON
3-8
2
3
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
3
4
ON
ON
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
OFF
4
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