SOYO SY-5EHM Super 7 User's Manual & Technical Reference page 26

Hardware Setup
Step 9. Front Panel Connections
RST
PW2
_
Turbo
LED
HDD
+
LED
Plug the computer case's front panel devices to the corresponding
connectors on the mainboard.
1. Power LED & KeyLock
Plug the Power LED cable into the 5-pin Keylock connector.
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 connector on the mainboard.
Please install according to the following pin assignment: pin 1,3 are
for Power LED and pin 4,5 are for Keylock.
2. Reset
Plug the Reset push-button cable into the 2-pin Reset connector on
the mainboard. Pushing the Reset button on the front panel will
cause the system to restart the boot-up sequence.
Power
LED
Keylock
SPK
*
23
SY-5EHM/5EH5
2 3 4 5 6
1