User Guide

Hardware Installation
2-6
JP8
1-2
3-4
I/O Voltage (Vio)
3.45V (default)
3.52V
JP8 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,
JP8 also functions as CPU I/O voltage
(Vcpuio) controller. The default voltage
setting is 3.45V.
JP8
1 2
3 4
3.45V
(default)
JP8
1 2
3 4
3.52V