- 17 -
Step 6
Connect Front Panel Switches/LEDs/Speaker/USB
You can find there are several different cables already existing in the system
case and originatinting from the computer's front-panel devices (HDD LED,
Power LED, Reset Switch, 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 (JP6, JP7, JP12), as shown
below.
1. ATX Soft Power On/Off (PWON)
2. HDD-LED (HLED)
3. Green-LED and Power-LED (GLED/PLED)
4. Hardware Reset Switch Button (RST)
5. Extended USB Header
1
Front Panel
- +
-
+
+ -
R S T
H L E D
G LE D
P L E D
P W O N
1
3
4
2
N /A
G N D
U SB D 1 +
U SB D 1 -
+5 V
+5 V
U SB D 1 -
U SB D 1 +
G N D
N /A
K EY
G N D
U SB D 0 +
U SB D 0 -
+5 V
+5 V
U SB D 0 -
U SB D 0 +
G N D
K EY
1
1
US B po rt 2
US B po rt 3
5
1
JP1 2
JP6
JP7
U SB
F ro n t P an e l
1
1
P
W
O
N
G
LE
D
/P
LE
D
RS
T
HL
E
D
-
+
-
+