Figure 4: Back I/O panel

1 - USB 2.0 ports 1 and 2.
2 - S/PDIF optical output port. This port connects an external audio device.
3 - IEEE 1394 port. This 6-pin IEEE 1394 port provides high-speed
connectivity for audio/video devices, storage peripherals, PCs, or portable devices.
4 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub.
5 - Video Graphics Adapter port. This port is for a VGA monitor or other VGA-compatible devices.
6 - Center/Subwoofer port (yellow orange). This port connects
the center/subwoofer speakers.
7 - Rear Speaker Out port (black). This port connects to the rear speakers on a 4-channel, 6-channel, or 8-channel audio configuration.
8 - Side Speaker Out port (gray). This port connects to the side speakers in an 8-channel audio configuration.
9 - Line In port (light blue). This port connects a tape, CD, DVD
player, or other audio sources.
10 - Line Out port (lime). This port connects to headphones or a speaker. In 4-channel, 6-channel, and 8-channel mode, the function of this port becomes Front Speakers Out.
11 - Microphone port (pink). This port connects a microphone.
12 - DVI port. DVI is a standard for connecting computers to digital
monitors and provides a pure digital video signal to a digital flat-panel display or projector.
13 - USB 2.0 ports 3, 4, 5, and 6. These four 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.