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JP17, JP18: CPU Dual/Single Voltage Select
JP17/JP18
1
Single
Votage
3
1
Dual
Votage
3
Note:
Wrong setting of JP17/JP18 will damage the CPU.
Please double check before powering on the
system.
SW1: 4~6: Bus Ratio Select
SW1: 1~3: CPU Clock Setting
Set the SW1 jumper according to your CPU Bus Ratio and
CPU Clock.
1.5x or
SW1: 4~6
2.0x
2.5x
3.0x
3.5x
4
4
4
4
Off
On
On
Off
5
5
5
5
CPU Bus
Off
Off
On
On
Ratio Setting
6
6
6
6
Off
Off
Off
Off
ON
ON
ON
ON
SW1: 4~6
4.0x
4.5x
5.0x
5.5x
4
4
4
4
On
On
Off
Off
CPU Bus
5
5
5
5
Off
On
On
Off
Ratio Setting
6
6
6
6
On
On
On
On
ON
ON
ON
ON
Note:
Only the new clock generator supports 95MHz.
Please check with your dealer before using it.
12
CPU Type
Pentium P54C, K5,
6x86, IDT
MMX, 6x86L/6x86MX,
K6, K6-2, MII
SW1: 1~3
66MHz
75MHz
83MHz
95MHz
1
1
1
1
Off
Off
Off
On
2
2
2
2
On
Off
On
Off
3
3
3
3
On
On
Off
Off
ON
ON
ON
ON
CPU Bus
100MHz
112MHz
124MHz
133MHz
Ratio Setting
1
1
1
Off
On
On
On
2
2
2
Off
On
Off
On
3
3
3
Off
On
On
Off
ON
ON
ON
ON
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