Gigabyte GA-6VTXD User Manual page 15

CPU Speed Setup
The system bus speed is selectable at 100,133MHz. The user can select the system bus speed
(SW1 & JP25) and change the DIP switch (SW2) selection to set up the CPU speed for 500 –
1GHz + processor.
SW1/JP25:
1 2
X X
X X
O X
O O
O O
O O
X O
O X
The CPU speed must match with the frequency ratio. It will cause system hanging up if
the frequency ratio is higher than that of CPU.
SW2:
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
3 4
X X
X 2-3(Auto)
X
X
X
X
X
X
O
X 2-3(Auto)
O
X
O
X
O
DIP SWITCH
1 2
X
X
O
O
X
X
O
O
X
X
O
X
X
O
O
8
Installation Guide
O : ON, X : OFF
CPU
JP25
(MHz) (MHz)
1-2 Force 100
100
1-2 Force 112
1-2 Force 124
NC Force 133
133
NC Force 142
NC Force 152
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
PCI
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