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Step 1: Install the Central Processing Unit (CPU)
Step1-1: CPU Speed Setup
The clock ratio can be switched by CK_RATIO and refer to below table.
Default Setting : Auto
(X X X X O)
CK_RATIO
SW1
1
O N
1:ON 100MHz (Default)
SW1
1:OFF 133MHz
O: ON / X :OFF
1:CPU CLOCK
1 3
Hardware Installation Process
CLK_RATIO
RATIO
1
AUTO(Default) X
5x
O
5.5x
X
6x
O
6.5x
X
7x
O
7.5x
X
8x
O
8.5x
X
9x
O
9.5x
X
10x
O
10.5x
X
11x
O
11.5x
X
12x
O
>=12.5x
X
The system bus frequency can be switched at 100/
133MHz by adjusting system switch (SW1).
(The internal frequency depend on CPU.)
O: ON / X :OFF
2
3
4
X
X
X
O
X
O
O
X
O
X
X
O
X
X
O
O
O
X
O
O
X
X
O
X
X
O
X
O
X
X
O
X
X
X
X
X
X
X
X
O
O
O
O
O
O
X
O
O
X
O
O
5
O
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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