SOYO SY-P4X400 DRAGON Lite User Manual page 26

Hardware Installation
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.
D. Back Panel Connections
All external devices such as the PS/2 keyboard, PS/2 mouse, printer,
modem, USB can be plugged directly onto 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.
PS/2 KB PS/2 Mouse
Connector
Connector
USB 1_2
PRT
COM A
COM B
AOUT
AIN
AMIC
PWRBT Pin Assignment
1
Power On/Off
LAN
SY-P4X400 DRAGON Ultra
GND
□
AGP Slot
21