Dell Inspiron 5000 - Manual (Page 30)

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Ports and Connectors: Dell™ Inspiron™ 5000 Series
I/O Connector Locations
Serial Port Connector
Use the 9-pin serial port connector to attach a serial device to the computer. The serial port passes data in serial format (1 bit at a time over one line). This port
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 port connector.
I/O Connector Locations Video Connector
Serial Port Connector Infrared Port
Parallel Port Connector USB Connector
TV-Out S-Video Connector PS/2 Connector
1 Fan exhaust 6 Docking connector
2 Serial port connector 7 Infrared port
3 Parallel port connector 8 USB connector
4 TV-out S-video connector 9 PS/2 connector
5 Video connector
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