JUMPER SETTING AND CONNECTORS
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COMA1: RS-232 Serial Port #1 Connector ( D-Sub )
Pin No.
Description
1
Data Carrier Detect ( DCDA # )
2
Receive Data ( RXDA )
3
Transmit Data ( TXDA )
4
Data Terminal Ready ( DTRA # )
5
Ground ( GND )
6
Data Set Ready ( DSRA # )
7
Request To Send ( RTSA # )
8
Clear To Send ( CTSA # )
9
Ring Indicator ( RIA # )
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COMB1: Serial Port #2 Connector ( Header )
Pin No.
Description
1
Data Carrier Detect (DCDB #)
2
Data Set Ready (DSRB #)
3
Receive Data (RXDB)
4
Request To Send (RTSB #)
5
Transmit Data (TXDB)
6
Clear To Send (CTSB #)
7
Data Terminal Ready (DTRB #)
8
Ring Indicator (RIB #)
9
Ground
10
NC
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PKMB1: PS/2 Keyboard & Mouse Connector (2x4 Header 2.54mm )
Pin No.
Description
Pin No.
Description
1
KBCLK
2
GND
3
NC
4
KBDATA
5
NC
6
MSDATA
7
MSCLK
8
VCC
1
2
9
10
COMB1
2
4
6
8
1
3
5
7
PKMB1
COMA1
1
5
9
6