2-19
Hardware Setup
IEEE 1394 Connector: J1394_1 (Optional)
The mainboard provides one IEEE1394 pin header that allows you to connect IEEE 1394
ports via an external IEEE1394 bracket (optional).
JCOM1
PIN SIGNAL DESCRIPTION
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready)
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
Pin Definition
Serial Port Connector: JCOM1
The mainboard offers one serial port JCOM1. It is 16550A high speed communication
ports that senda/receivea/ 16 bytes FIFOs. You can attach a serial mouse or other
serial device directly to it.
Pin Definition
PIN SIGNAL PIN SIGNAL
1TPA+ 2 TPA-
3 Ground 4 Ground
5 TPB+ 6 TPB-
7 Cable power 8 Cable power
9 Key (no pin) 10 Ground
J1394_1
1 9
2 10
Foolproof
design
Connected to J1394_1
IEEE1394 Bracket (Optional)
9 1
10 2
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