AXIOMTEK CEB94022, Руководство пользователя

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CEB94022 COM Express
TM
Type 6 with MXM Application Board
14 Board and Pin Assignments
2.5.5 COM Connectors (CN5~CN8)
These are Molex 78046-102, 2x5-pin (pitch=2.0mm) box headers for serial port
interfaces. The COM3~COM5 support RS-232/422/485 communication mode, while the
COM6 supports RS-232 only. The related pin assignments are given in table below. You
can change the communication mode in BIOS Setup utility.
2.5.6 Audio Connector (CN9)
This is a 2x5-pin (pitch=2.0mm) audio connector for convenient connection and control
of audio devices.
2.5.7 SMBus Connector (CN10)
The CN10 is a 5-pin (pitch=2.0mm) connector for SMBus interface. The SMBus (System
Management Bus) is a simple bus for the purpose of lightweight communication.
Pin RS-232 RS-422 RS-485
1 DCD TX- Data-
2 DSR No use No use
3 RXD TX+ Data+
4 RTS No use No use
5 TXD RX+ No use
6 CTS No use No use
7 DTR RX- No use
8 RI No use No use
9 GND No use No use
10 No use No use No use
Pin Signal Pin Signal
1 MIC_IN 2 GND
3 LINE_IN_L 4 GND
5 LINE_IN_R 6 GND
7 AUDIO_OUT_L 8 GND
9 AUDIO_OUT_R 10 GND
Pin Signal
1 +3.3V
2 SMB_CLK_S
3 SMB_DATA_S
4 SMB_ALERT
5 GND