Chapter 5 Installation
20
AI5VP/AI5VPB User’s Manual
5.1 J4, J5: Serial Ports
The onboard serial ports of the AI5VP/AI5VPB are 10 pin-header
connectors. J4 is COM1 and J5 is COM2. The following table shows the
pin out of the these connectors.
Pin #
Signal Name
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, 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 indicator
10
Not
Used
5.2 CN2, CN4: Keyboard and PS/2 Mouse Connector
CN2: AT Keyboard Connector
CN2 Pin #
Signal Name
1 Keyboard
Clock
2 Keyboard
Data
3 N.C.
4 Ground
5 Vcc
CN4: PS/2 Mouse Connector
Pin #
Signal Name
1 Mouse
data
2 N.C.
3 GND
4 5V
1
5
5 Mouse
Clock
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