Audio Connector; Serial Port Interface Connectors; Atx 4 Pin 12V In Connector - AXIOMTEK SBC81203 Series User Manual

2.4.2 Audio Connector: CN1
CN1 is a 10-pin connector to support the audio interface.
Pin Signal
1 MIC-IN
3 Line In L
5 Line In R
7 Audio Out L
9 Audio Out R
2.4.3 Serial Port Interface Connectors: COM1, COM2
The serial interface for the board consists of COM1 port (COM1) and
COM2 (COM2) supports RS-232/RS-422/RS-485.
Pin Signal
Data Carrier Detect
1
(DCD)
3 Receive Data (RXD)
5 Transmit Data (TXD)
Data Terminal Ready
7
(DTR)
9 Ground (GND)
2.4.4 ATX 4 Pin 12V In Connector: CN2
You can connect it to the ATX12V power supply for CPU Core Voltage.
Note: Make sure your ATX12V power supply can provide 16A on the
+12V lead and at least 1A on the +5V standby lead (+5VSB).
The minimum recommended wattage is 250W or 300W for a
fully configured system. The system may become unstable and
may experience difficulty powering up if the power supply is
inadequate.
Jumpers and Connectors
SBC81203 LGA775 SBC User's Manual
Pin Signal
2 GND
4 GND
6 GND
8 GND
10 GND
Pin Signal
Data Set Ready (DSR)
2
4 Request to Send (RTS)
6 Clear to Send (CTS)
Ring Indicator (RI)
8
10 NC
COM1, COM2
2 2 2 2
1 1 1 1
3 3 3 3 4 4 4 4
6 6 6 6
5 5 5 5
8 8 8 8
7 7 7 7
9 9 9 9 10 10
10 10
11