Dell Dimension 9200 Service Manual page 8

Documentation
4 USB 2.0 connectors (2) (rear dual)
5 USB 2.0 connectors (4) (rear quad)
6 surround sound connector
7 line-in connector
8 line-out/headphone connector
9 microphone connector
10 center/subwoofer LFE connector
http://support.dell.com/support/edocs/systems/dim9200/en/SM_EN/about.htm (6 of 7) [12/9/2007 11:13:43 PM]
Use the back, rear-dual USB connectors for devices that
typically remain connected, such as printers and keyboards.
NOTE: It is recommended that you use the front USB
connectors for devices that you connect occasionally, such
as joysticks, cameras, or bootable USB devices.
Use the back, rear-quad USB connectors for devices that
typically remain connected, such as printers and keyboards.
NOTE: It is recommended that you use the front USB
connectors for devices that you connect occasionally, such
as joysticks, cameras, or bootable USB devices.
Use the (black) surround sound connector to attach
multichannel-capable speakers.
On computers with a sound card, use the connector on the
card.
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.
Use the (green) line-out connector to attach headphones
and most speakers with integrated amplifiers.
On computers with a sound card, use the connector on the
card.
Use the (pink) microphone connector to attach a personal
computer microphone for voice or musical input into a
sound or telephony program.
On computers with a sound card, use the connector on the
card.
Use the (orange) center/subwoofer connector to attach a
center speaker or a single subwoofer.
On computers with a sound card, use the connector on the
card.
NOTE: The LFE (Low Frequency Effects) Audio channel,
found in digital surround sound audio schemes, carries only
low frequency information of 80 Hz and below. The LFE
channel drives a subwoofer to provide extremely low bass
extension. Systems not using subwoofers can shunt the LFE
information to the main speakers in the surround sound
setup.