Jumper Settings for
5STX-E
CPU Speed Selection |
JP4 and JP5 for external bus frequency |
JP11
for frequency ratio setting |
CPU
Voltage Selection |
JP14 and JP15 for CPU
I/O and chipset voltage selection for single voltage CPU
JP14 and JP15 for CPU core voltage selection
for MMX or split power plane CPU
JP9 is used to hold the jumpers when JP8 is
fully opened
CAUTION:
For MMX or other split power plane
CPU, JP8 muse be fully opened before turning on the system power.
Failure to do so may cause damages to your CPU.
INTEL PENTIUM CPU
Internal
CPU
Speed
MHz |
External
Bus
Speed
MHz |
JP4 |
JP5 |
Frequency
Ratio |
JP11 |
90 |
60 |
[1-3],[4-6] |
[2-3] |
1.5x |
[1-3],[2-4] |
100 |
66 |
[3-5],[2-4] |
[2-3] |
1.5x |
[1-3],[2-4] |
120 |
60 |
[1-3],[4-6] |
[2-3] |
2x |
[1-3],[4-6] |
133 |
66 |
[3-5],[2-4] |
[2-3] |
2x |
[1-3],[4-6] |
150 |
60 |
[1-3],[4-6] |
[2-3] |
2.5x |
[3-5],[4-6] |
166 |
66 |
[3-5],[2-4] |
[2-3] |
2.5x |
[3-5],[4-6] |
200 |
66 |
[3-5],[2-4] |
[2-3] |
3x |
[3-5],[2-4] |
233 |
66 |
[3-5],[2-4] |
[2-3] |
3.5x |
[1-3],[2-4] |
CYRIX / IBM
6X86 CPU
Internal
CPU
Speed
MHz |
External
Bus
Speed
MHz |
JP4 |
JP5 |
Frequency
Ratio |
JP11 |
PR133 |
55 |
[3-5],[4-6] |
[1-2] |
2x |
[1-3],[4-6] |
PR166 |
66 |
[3-5],[2-4] |
[2-3] |
2x |
[1-3],[4-6] |
CYRIX / IBM
6X86MX CPU
Internal
CPU
Speed
MHz |
External
Bus
Speed
MHz |
JP4 |
JP5 |
Frequency
Ratio |
JP11 |
PR166 |
60 |
[1-3],[4-6] |
[2-3] |
2.5x |
[1-3],[2-4] |
AMD K5
CPU
Internal
CPU
Speed
MHz |
External
Bus
Speed
MHz |
JP4 |
JP5 |
Frequency
Ratio |
JP11 |
PR90 |
60 |
[1-3],[4-6] |
[2-3] |
1.5x |
[1-3],[2-4] |
PR100 |
66 |
[3-5],[2-4] |
[2-3] |
1.5x |
[1-3],[2-4] |
PR133 |
66 |
[3-5],[2-4] |
[2-3] |
1.5x |
[1-3],[2-4] |
PR150 |
60 |
[1-3],[4-6] |
[2-3] |
1.75x |
[3-5],[4-6] |
PR166 |
66 |
[3-5],[2-4] |
[2-3] |
1.75x |
[3-5],[4-6] |
AMD K6 CPU
Internal
CPU
Speed
MHz |
External
Bus
Speed
MHz |
JP4 |
JP5 |
Frequency
Ratio |
JP11 |
PR166 |
66 |
[3-5],[2-4] |
[2-3] |
2.5x |
[3-5],[4-6] |
PR200 |
66 |
[3-5],[2-4] |
[2-3] |
3x |
[3-5],[2-4] |
PR233 |
66 |
[3-5],[2-4] |
[2-3] |
3.5x |
[1-3],[2-4] |
CPU Voltage
Selection
CPU Type |
Voltage Requirements |
Intel Pentium
Cyrix/IBM 6x86
AMD K5 |
3.4V(STD) / 3.5V(VRE) |
Intel MMX Pentium
Cyrix/IBM 6x86L
Cyrix/IBM 6x86MX, AMD K6 PR166,PR200
AMD K6 PR233 |
2.8V
2.8V
2.9V
3.2V |
JP15 |
JP14 |
Voltage |
[1-3],[2-4] |
[1-3],[4-6] |
2.8V |
[3-5],[2-4] |
[1-3],[4-6] |
2.9V |
[1-3],[2-4] |
[3-5],[4-6] |
3.2V |
[1-3],[4-6] |
[3-5],[4-6] |
3.4V |
[3-5],[4-6] |
[3-5],[4-6] |
3.5V |
|