User Guide

Hardware Installation
2-14
2.2.4 I/O Voltage
JP12
1-2
2-3
I/O Voltage
3.32V
3.45V
JP12 is reserved for testing purposes only. This
jumper enables you to set the voltage of the onboard
chipset and PBSRAM (Vio). For dual-voltage CPU,
JP12 also functions as CPU I/O voltage (Vcpuio)
controller.
JP12
1 2 3
3.32V
JP12
1 2 3
3.45 V