SOYO SY-TISU User Manual page 29

Hardware Installation
2-3.3.3 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
25
_
Speaker
Key Lock
_
Power LED
Key Lock
Pin Assignment
1
Control Pin
SY-TISU
_
HDD LED
_
ACPI LED
PWRBT
1
Reset
1
GND