Abit PD5NE Features - Installing The Mainboard
Installing the Mainboard
2-15
2.CPU Voltage and Setup (SW2)
For the voltage of 586 serials of CPU, there are two kinds of operation
mode depend different CPUs, single voltage and dual voltage. Please
make sure which kind of CPU and the working voltage that you used
before you install. The following table presents all of the adjustments
of voltage for all serials of 586 CPUs, Please setup the Vcore voltage if
the CPU you are using is single voltage.
SW1 CPU Vcore / Vio settings
VCORE
VIO
Vcore/Vio
VC1
VC2
VC3
VC4
VC5
VC6
VC7
VC8
3.5/3.3
ON
ON
ON
ON
OFF
OFF
ON
OFF
3.4/3.3
ON
ON
ON
OFF
OFF
OFF
ON
OFF
3.3/3.3
ON
ON
OFF
ON
OFF
OFF
ON
OFF
3.2/3.38
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
2.9/3.38
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
2.8/3.38
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
2.7/3.38
OFF
ON
ON
ON
OFF
OFF
OFF
ON
2.6/3.38
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
¡i
Note
¡j
The Vcore of CPU voltage is design using switching power
supply, the Vio of CPU voltage is design using linear regulator
power supply. That is Vcore can provide more current and
voltage drop without occure more heat and high temperature.
The linear power supply will occure more heat and temperature.
Please setup the Vio voltage smaller than Vcore voltage if the single
voltage CPU is installed, it is using to make sure the CPU voltage is
provided by Vcore (Switching Power Supply), and make the CPU
more stable.