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52 Removing and Installing Parts
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1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a
USB printer, plug it into a USB connector.
2 diagnostic lights (4) Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see "Diagnostic Lights" on page 37.
3 mouse connector Plug a standard mouse into the green mouse connector. Turn off the computer
and any attached devices before you connect a mouse to the computer. If you have
a USB mouse, plug it into a USB connector.
4 surround connector Use the black surround connector to attach multichannel-capable speakers.
On computers with a sound card, use the connector on the card.
5 line-in connector Use the blue line-in connector to attach a record/playback device such as a cassette
player, CD player, or VCR.
On computers with a sound card, use the connector on the card.
6 network adapter
connector
To attach your computer to a network or broadband device, connect one end of a
network cable to either a network jack or your network or broadband device.
Connect the other end of the network cable to the network adapter connector on
your computer. A click indicates that the network cable has been securely
attached.
NOTE: Do not plug a telephone cable into the network connector.
On computers with a network connector card, use the connector on the card.
It is recommended that you use Category 5 wiring and connectors for your
network. If you must use Category 3 wiring, force the network speed to 10 Mbps to
ensure reliable operation.
7 cover latch Releases the cover from the computer. See "Removing the Computer Cover" on
page 54.
8 DVI video connector If your monitor has a DVI connector, plug it into the DVI connector on the
computer. If your monitor has a VGA connector, plug it into the VGA connector
on the computer.
9 card slots Access connectors for any installed PCI cards (two slots) and PC I Express cards
(one x16 slot and one x1 slot).
10 optional sound card
connectors
• Line-in connector — Use the blue line-in connector to attach a record/playback
device such as a cassette player, CD player, or VCR.
• Microphone connector — Use the pink microphone connector to attach a
personal computer microphone for voice or musical input into a sound or
telephony program.
• Line-out connector — Use the green line-out connector to attach headphones
and most speakers with integrated amplifiers.
• Surround connector — Use the black surround connector to attach multichannel-
capable speakers.
•
Center/Low-Frequency Effects (LFE) connector
— Use the yellow center/LFE
connector to attach your subwoofer.