User Guide

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 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.
 For supporting more different CPUs in future, this motherboard
uses five switches to specify Vcore. There are 32 settings totally,
and the range is from 1.3V to 3.5V.