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GA-686LX3
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS
t
I/O Ports Connector
CN1
USB port.
CN3
For Primary IDE port.
CN2
For Secondary IDE port.
J2
For PS/2 Keyboard port.
J2
For PS/2 Mouse port.
J3
For Floppy port
J4
For Serial port2 (COM B).
J5
For Serial port1 (COM A).
J7
For LPT port.
t
GN : GN-SW
Pin No.
Function
1
CTRL-Signal
2
GND
t
HD : Hard Disk active LED (HD-LED)
Pin No.
Function
1
LED POWER (+)
2
LED POWER (-)
t
J1 : CPU cooling FAN Power Connector
Pin No.
Function
1
GND.
2
+12V
3
SENSE
t
J13 : System After Ac Back
Pin No.
Function
1
Signal
2
GND
3-3
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