Dell OptiPlex GX260 Series System User's Manual page 124

On computers with a sound card, the line-out connector is on the card.
8
line-out Use the blue line-in connector (available on computers with integrated sound) to attach a record/playback
connector device such as a cassette player, CD player, or VCR.
On computers with a sound card, the line-in connector is on the card.
9 microphone Use the pink microphone connector (available on computers with integrated sound) to attach a personal
connector computer microphone for voice or musical input into a sound or telephony program.
On computers with a sound card, the microphone connector is on the card.
10 USB Connect USB devices such as a mouse, keyboard, printer, joystick, and computer speakers into any of the
connectors USB connectors.
11 diagnostic Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more
lights information, see
12 video Plug the cable from your VGA-compatible monitor into the blue connector.
connector
13 serial Connect a serial device, such as a handheld device, to the serial port. If you have a second serial
connector connector card installed, you can connect a second device to that connector.
For more information, see
Inside Your Computer
CAUTION: Before you begin any of the procedures in this section, follow the steps in
Instructions."
CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before opening
the cover.
NOTICE: Be careful when opening the computer cover to ensure that you do not accidently disconnect cables from the
system board.
Small Mini-Tower Computer
"Diagnostic Lights."
"System Setup Options."
"CAUTION: Safety