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CPU Speed Setup
The system bus speed is selectable at 66,100,133MHz and Auto. The user can select the system
bus speed by DIP switch CLK_SW & CLK_RATIO.
CLK_SW:
CPU
1
AUTO
X
66
O
100
O
133
X
*137
X
*142
X
(* These speed settings are not guaranteed)
CLK_RATIO:
FREQ. RATIO
X3
O
X3.5
X
X4
O
X4.5
X
X5
O
X5.5
X
X6
O
X6.5
X
X7
O
X7.5
X
X8
O
X8.5
O
X9
X
X9.5
X
X10
X
X10.5
O
X11
O
2
3
X
O
O
O
X
O
X
O
X
X
X
X
DIP SWITCH
1
2
X
X
O
O
X
X
O
O
X
X
O
X
X
O
O
O
X
8
Installation Guide
O : ON, X : OFF
4
5
6
O
O
O
O
X
X
O
X
X
O
X
X
O
X
X
X
X
X
O : ON, X : OFF
3
4
O
O
O
O
X
O
X
O
X
O
X
O
O
X
O
X
O
X
O
X
X
X
O
O
O
O
O
O
X
X
X
O
X
X
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