Installation guide
Mini ITX EMB-945T Rev.A
Chapter 2 Quick Installation Guide 2 - 18
2.29 COM4 RS-232 Serial Port Connector (CN17)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C.
2.30 IrDA Connector (CN18)
Pin Signal
1 +5V
2 N.C.
3 IRRX
4 GND
5 IRTX
6 N.C.
2.31 ATX Power Connector (CN19)
Pin Signal Pin Signal
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 GND 13 GND
4 +5V 14 PS_ON
5 GND 15 GND
6 +5V 16 GND
7 GND 17 GND
8 POWER OK 18 -5V
9 +5VSB 19 +5V
10 +12V 20 +5V