- 17 -
Step 6
Connect Front Panel Switches/LEDs/USB
You can find there are several different cables already existing in the system
case and originating from the computer's front-panel devices (HDD LED,
Power LED, Reset Switch, Audio Line-out, Microphone-in, or USB devices
etc.) These cables serve to connect the front-panel switches, LEDs, and USB
connectors to the mainboard's front-panel connectors group , as shown
below.
PANEL 1
1. MIC IN
2. GND
3. VCC MIC
4. +5V Audio
5. Line Out(R)
6. Line Out(R)
7. NC
8. Empty
9. Line Out(L)
10. Line Out(L)
PANEL 2
11.HDD_LED(HD_LED)
12. Green LED (SP_LED)
13.Reset Switch(RST)
14.Power Switch (PW_BN)
15.Extend USB headers(USB2)
SP_LED
HD_LED
+
-
RST
PW-BN
PANEL2
1
PANEL1
USB5&6
1
1
M
IC
IN
+5
V
A
UD
IO
LI
NE
O
U
T(
R
)
VC
C
M
IC
N
C
LI
N
E
O
UT
(L
)
G
N
D
LI
NE
O
U
T(
R
)
EM
PT
Y
LI
NE
O
U
T(
L)
N/C
2
2
2
12
14
13
111
