
Hardware Installation
SY-P4-645DX DRAGON Ultra
20
2. Reset
Plug the Reset push-button cable into the 2-pin Reset header on the
motherboard. Pushing the Reset button on the front panel will cause the
system to restart the boot-up sequence.
3. Speaker
Attach the 4-pin PC speaker cable from the case to the Speaker header on
the motherboard.
4. 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 light up when an IDE
(HDD, CD-ROM) device is active.
Reset Pin Assignment
Power Good
GND
1
Speaker Pin Assignment
+
_
+5V
Speaker out
NC NC
HDD LED Pin Assignment
+ _
LED Anode LED Cathode