- 16 -
Step 6
Connect Front-Panel Switches/LEDs/Speaker/USB connectors
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, PC Speaker, 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 (JP17 and USB2), as shown below.
1. ATX Soft Power On/Off (PWON)
2. EPMI
(Hardware System Management
Interface)
3. Green_LED / Power_LED (GLED/PLED)
RESET
HLED
+ -
+
-
+ -
+ -
GLED
PLED
SPEAKER
EPMI
PWON
PLED
1
JP17
RESET
HLED
+ -
+
-
+ -
+ -
GLED
PLED
SPEAKER
EPMI
PWON
PLED
1
JP17
RESET
HLED
+ -
+
-
+ -
+ -
GLED
PLED
SPEAKER
EPMI
PWON
PLED
1
JP17
RE
S
ET
HL
ED
+
-
+
-
+
-
+
-
GL
ED
PL
E
D
SP
EAK
ER
EP
M
I
PW
O
N
PL
E
D
1
JP
17
USB 3&4
1
USB2
