Advertisement
The mainboard has a 9-pin male DIN connector for serial port COM A. This
port are 16550A high speed communication ports that send/receive 16 bytes
FIFOs. You can attach a mouse or a modem cable directly into this connec-
tor.
PIN DEFINITION
PIN
1
2
3
4
5
6
7
8
9
Note: There's another serial port connector (COM B), which is
located on the mainboard. Connect a serial port 9-pin male
port into this connector.
1 2 3 4 5
6 7 8 9
COM A
Serial Ports (9-pin Male)
SIGNAL
DCD(Data Carry Detect)
SIN(Serial In or Receive Data)
SOUT(Serial Out or Transmit Data)
DTR(Data Terminal Ready)
GND
DSR(Data Set Ready)
RTS(Request To Send)
CTS(Clear To Send)
RI(Ring Indicate)
2-31
Advertisement
