SOYO SY-P4I845PE User Manual page 24

Hardware Installation SY-P4I845PE
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
IDE1 or IDE2 (HDD, CD-ROM) device is active.
HDD LED Pin Assignment
_
Pin9 Pin10
+
LED Cathode
LED Anode
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. Note that 5VSB will always have power.
PWRBT Pin Assignment
Pin4 Pin5
Power On/Off GND
20