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II.HARDWARE INSTALLATION
This motherboard also supports CPU over-clocking by adjusting the CPU Clock
Frequency and CPU Clock Ratio.
System Frequency = CPU Clock Ratio * CPU Clock Frequency
The available settings are:
- CPU Clock Frequency
66/75/83/100/103/105/110/112/115/120/ 124/133/140/150MHz
- CPU Clock Ratio
1.5x/2x/2.5x/3x/3.5x/4x/4.5x/5x/5.5x/6x/6.5x/7x/7.5x/8x
JP18: CPU Clock Radio
JP18(1)
JP18(2)
O
O
S
S
O
S
S
S
O
S
S
S
O
S
S
S
O
S
S
O
O
O
S
O
O
O
S
O
S
O
S: short, O: open
Warning
: Normally, Aladdin Pro II Chipset supports 66MHz/100MHz CPU Clock
Frequency, the other CPU Clock Frequency are available only for internal test or end-
user over-clocking testing, which may cause your system unstable or serious damage.
AP0 USER'S MANUAL
2-4
JP18(3)
JP18(4)
S
O
S
S
S
S
O
S
O
S
S
O
S
O
O
O
O
O
S
S
S
S
O
S
O
S
S
O
O
O
Ratio
1.5X
2X
2.5X
3X
3.5X
4X
4.5X
5X
5.5X
6X
6.5X
7X
7.5X
8X
Reserved
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