6OX Motherboard
CPU Speed Setup
The system bus speed is selectable at 55~153MHz. The user can select the system bus speed by
DIP switch SW1 .
SW1:
CPU
SDRAM
Auto
Auto
55.00
82.50
60.00
90.00
66.80
100.20
68.33
102.50
70.00
105.00
72.00
108.00
75.00
112.50
77.00
115.50
83.00
83.00
90.00
90.00
100.30
100.30
103.00
103.00
112.50
112.50
115.00
115.00
120.00
120.00
125.00
125.00
128.00
128.00
130.00
130.00
133.70
133.70
137.00
137.00
140.00
140.00
145.00
145.00
150.00
150.00
153.00
153.00
125.00
93.75
130.00
97.50
133.70
100.28
137.00
102.75
140.00
105.00
145.00
108.75
1
2
X
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
O
X
7
3
4
X
X
O
X
O
X
O
X
O
X
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
O
X
O
X
O
X
O
O
X
O
X
O
X
O
X
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
O
X
O
O : ON, X : OFF
5
6
X
X
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O
X
X
X
O
O
X
O
O