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C-1
Appendix C
Jumper Table Summary
Setting the CPU Voltage
S4
ON
OFF
OFF
ON
OFF
OFF
OFF
S5
ON
ON
OFF
OFF
OFF
ON
ON
S6
ON
ON
ON
OFF
OFF
OFF
OFF
S7
ON
ON
ON
ON
ON
OFF
ON
S8
OFF
OFF
OFF
OFF
OFF
OFF
ON
CPU Core Voltage
3.52V (Cyrix 6x86 or AMD K5)
3.45V (Intel P54C or IDT C6)
3.2V (AMD K6-233)
2.9V (K6-166/200 or M2)
2.8V (Intel P55C)
2.2V (AMD K6-266/300)
1.8V (For future use)
JP12
1-2
3-4
I/O Voltage (Vio)
3.45V (default)
3.52V
Warning: Please make sure that you have installed CPU fan
properly if Intel PP/MT-233 or AMD K6-200/233 is being
selected to use. It may cause your system unstable if you can
not meet the heat dissipation requirement from above CPU type.
It is recommended to adopt larger fan on these CPU for better
air flow in the system.
properly if Intel PP/MT-233 or AMD K6-200/233 is being
selected to use. It may cause your system unstable if you can
not meet the heat dissipation requirement from above CPU type.
It is recommended to adopt larger fan on these CPU for better
air flow in the system.
Tip: Normally, for single voltage CPU, Vcpuio (CPU I/O Voltage)
is equal to Vcore, but for CPU that needs dual voltage such as
PP/MT (P55C) or Cyrix 6x86L, Vcpuio is different from Vcore
and must be set to Vio (PBSRAM and Chipset Voltage). The
single or dual voltage CPU is automatically detected by
hardware circuit.
is equal to Vcore, but for CPU that needs dual voltage such as
PP/MT (P55C) or Cyrix 6x86L, Vcpuio is different from Vcore
and must be set to Vio (PBSRAM and Chipset Voltage). The
single or dual voltage CPU is automatically detected by
hardware circuit.
CPU
Type
S4
S5
S6
S7
S8
Vcore