SOYO SY-P4IS2 User Manual page 33

Hardware Installation
5. IDE LED
Attach the 2-pin IDE device LED cable to the corresponding IDE LED header
on the Motherboard. This will cause the LED to lighten when an IDE (HDD,
CD-ROM) device is active.
6. 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.
HDD LED Pin Assignment
+
LED Anode LED Cathode
PWRBT Pin Assignment
1
Power On/Off
_
GND
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SY-P4IS2