Cn1: ps/2 keyboard and ps/2 mouse connectors, Ps/2 mouse, Ps/2 keyboard – IBASE MB950 User Manual
Page 18: Cn3: com1 and com3 serial ports, Pin # signal name
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INSTALLATIONS
14
MB950 User’s Manual
CN1: PS/2 Keyboard and PS/2 Mouse Connectors
PS/2 Mouse
PS/2 Keyboard
Signal Name
Keyboard
Mouse
Signal Name
Keyboard data
1
1
Mouse data
N.C.
2
2
N.C.
GND
3
3
GND
5V
4
4
5V
Keyboard clock
5
5
Mouse clock
N.C.
6
6
N.C.
CN3: COM1 and COM3 Serial Ports
[
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
10
NC
NC
NC
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