
Chapter 5
Connector Pin Definitions
ATX Power Connector (ATX_POWER: 10x2 pin female):
PIN
SIGNAL
PIN
SIGNAL
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 Ground 13 Ground
4 +5V 14
PS-ON
5 Ground 15 Ground
6 +5V 16
Ground
7 Ground 17 Ground
8 PW-OK 18 -5V
9 5VSB 19 +5V
10 +12V 20 +5V
Table 12 ATX Power Connector pin definition
Audio Connector (AUDIO: 5x2-pin):
PIN
SIGNAL
PIN
SIGNAL
1 AUD_MIC 2 AUD_GND
3 MIC_BIAS 4 AUD_VCC
5 AUD_F_R 6
AUD_RET_R
7 REVD 8 KEY
9 AUD_F_L 10
AUD_RET_L
Table 13 Audio Connector pin definition
COM4 RS232 Serial Port Header (COM4: 5x2 pin header):
PIN
SIGNAL
PIN
SIGNAL
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10
NC
Table 14 COM4 pin definition
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OPC-1500/1700 User’s Manual