16
1
3
5
7
9
11
13
2
4
6
8
10
12
14
USB_VCC
D
_
D+
GND
AUD_L
SMIC
NC
USB_VCC
D
_
D+
GND
AUD_R
MIC_REF
GND
(4) IDE Activity LED: JP7
This connector connects to the hard disk activity indicator light on the case.
(5) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(6) Power LED: JP6
The Power LED is light on while the system power is on. Connect the Power LED
from the system case to this pin.
SPEAK
VC
C
GND
NC
SP
KR
Pin 1
JP6
PWRLED
GND
Pin 1
JP7
5V
HDDLED
Pin 1
(7) Reset switch lead: RESET
This 2-pin connector connects to the case-mounted reset switch for rebooting your
computer without having to turn off your power switch. This is a preferred method of
rebooting in order to prolong the lift of the system’s power supply. See the figure
below.
(8) Power switch: PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF the
system.
(9) SPDIF-IN Headers (4-pin) : SPDIF_IN
SPDIF_IN is the header for SPDIF Input signal. Please connect it with the cable in the
front panel connector. By use the SPDIF_IN connector you can input the digital signal
from SPDIF device for better audio quality.
1
3
5
7
2
4
6
POWER BUTTON
SPDIF VCC (Red Wire)
GND (Black Wire)
SPDIF
_
IN (White Wire)
RESET BUTTON