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Hardware Installation
SY-P4X400 DRAGON Ultra
19
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.
A
GP Slot
Power LE
D
Pin Assignment
+5V+5V
GND
+
_
NCNC
Ke
y
Lock
Pin Assi
g
nment
Control Pin
GND
1
Power LED
Key Lock
Speaker
Reset
PWRBT
ACPI LED
HDD LED
++
++
_
_
_
_
1
1