SOYO SY-P4VDA User Manual page 21

Hardware Installation
C.
Front Panel Connections
Plug the computer case's front panel devices to the corresponding headers
on the Motherboard.
1. Power LED & KeyLock
Plug the Power LED cable into the 5-pin Keylock header.
Some systems may feature a KeyLock function with a front panel switch
for enabling or disabling the keyboard. Connect the KeyLock switch to the
5-pin Keylock header on the Motherboard.
Please install according to the following pin assignment: pin 1,3 are for
Power LED and pin 4,5 are for Keylock.
Power LED
Pin Assignment
+
+5V +5V
_
NC NC
GND
18
_
Speaker
Key Lock
_
Power LED
Key Lock
Pin Assignment
1
Control Pin
SY-P4VDA
_
HDD LED
_
ACPI LED
PWRBT
1
Reset
1
GND