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Ports and Connector Pin-Outs
Dell™Inspiron™4100
Port Locations
Serial Connector
Parallel Connector
Docking Connector
PS/2 Connector
USB Connector
Video Connector
S-Video TV-Out Connector
Port Locations
Serial Connector
Use the 9-pin serial connector to attach a serial device to the computer. The serial connector passes data in serial format (1 bit at a time over one line). This
connector supports a variety of devices, including a serial mouse, that require serial data transmission. If you reconfigure your hardware, you may need pin
number and signal information for the serial connector.
1
air intake
6
PS/2 connector
2
serial connector
7
USB connector
3
parallel connector
8
video connector
4
docking connector
9
AC adapter connector
5
air vent
Pin
Signal
I/O
Definition
1
DCD
I
Data carrier detect
2
RXDA
I
Receive data
3
TXDA
O
Transmit data
4
DTR
O
Data terminal ready
5
GND
N/A
Signal ground
6
DSR
I
Data set ready
7
RTS
O
Request to send
8
CTS
I
Clear to send
9
RI
I
Ring indicator
Shell
N/A
N/A
Frame ground