Asus M2A690G - Manual (Page 16)

1-6 Chapter 1: System introduction
Voltage selector
The PSU has a 115 V/230 V voltage selector switch located beside the
power connector. Use this switch to select the appropriate system input
voltage according to the voltage supply in your area.
If the voltage supply in your area is 100-127 V, set this switch to 115 V.
If the voltage supply in your area is 200-240 V, set this switch to 230 V.
Setting the switch to 115V in a 230V environment or 230V in a 115V
environment will seriously damage the system!
115V/230V
Voltage selector
HDMI card ports
A. HDMI port. This port is for a high-definition multimedia interface
(HDMI) connector.
B. S-Video port / YPbPr port. This 7-pin port connects any kind of video
source via a YPbPr cable or an S-Video cable.
C. Video port. This port connects any kind of video source via an RCA
cable.
D. S/PDIF Out port. This port connects an external audio output device
via an coaxial S/PDIF cable.