Hardware Installation
SY-P4-645DX DRAGON Ultra
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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.
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PWRBT Pin Assignment
Power On/Off
GND
1
PRT
GAME PORT
PS/2 KB
Connector
PS/2 Mouse
Connector
LINE-OUT
LINE-IN
MIC
COM 1
COM 2
USB 1_2