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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
PS/2 KB
Connector
COM 1
COM 2
USB 1_2
LINE-OUT
LINE-IN
MIC
GAME PORT
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.
PWRBT Pin Assignment
Power On/Off
PS/2 Mouse
Connector
PRT
SY-P4-645DX DRAGON Ultra
1
GND
21
□
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