Hardware Installation
SY-P4VGA
19
5. ATX Power On/Off Switch
Attach the 2-pin momentary type switch to the PWRBT header for turning
On or Off your ATX power supply, so the 5V standby LED will always be
lit.
D. Back Panel Connections
All external devices such as the PS/2 keyboard, PS/2 mouse, printer,
modem, USB can be plugged directly into the Motherboard back panel.
Only after you have fixed and locked the Motherboard to the computer
case can you start connecting the external peripheral devices.
When connecting an external device, use the following figure to locate and
identify which back panel connector to plug the device to.
PWRBT Pin Assignment
Power On/Off
GND
1
PS/2 KB
Connector
PS/2 Mouse
PS/2 Mouse
Connector
PRT
COM A
VGA out
Audio out / Front out
Audio in / Rear out
MIC IN / Center & Bass out
USBLAN
USB 1/USB 2
LAN Connector