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Chapter 2 Installations
28 CI5VGM User’s Manual
J3: External ATX Power Connector
Pin # Signal Name
1 Dual function power button
2 GND
3 Dual function power button
4 GND
5 PS-ON (soft on/off)
6 5V SB (standby +5V)
J3
1
6
J18: AT Power Connector
Pin # Signal Name
1 N/A
2 +5V
3 +12V
4 -12V
5 GND
6 GND
J18
J4: Audio I/O Connector (optional)
Signal Name Pin # Pin # Signal Name
+12V 1 2 -12V
GND 3 4 Out-R
Out-L 5 6 GND
Auxi-L 7 8 Auxi-R
GND 9 20 Line-R
Line-L 11 12 GND
Min 13 14 VREFO
Vcc 15 16 MIC
RxD 17 18 TXD
GP7 19 20 GP6
GP5 21 22 GP4
GP3 23 24 GP2
J4
GP1 25 26 GP0