Figure 3: Backplate

1 - PS/2 mouse port (green). This port is for a PS/2 mouse.
2 - Coaxial SPDIF Out port (orange). This port connects an external audio device through a coaxial SPDIF cable.
3 - Video Graphics Adapter port. This 15-pin port is for a VGA monitor or other VGA-compatible devices.
4 - IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed
connectivity for audio/video devices, storage peripherals, PCs, or
portable devices.
5 - LAN (RJ-45) port. This port allows connection to a Local Area
Network (LAN) through a network hub.
6 - Line In port (light blue). This port connects a tape, CD, DVD
player or other audio sources.
7 - Line Out port (lime). This port connects a headphone or a speaker. In 4-channel or 6-channel mode, the function of this port becomes Front Speaker Out.
8 - Microphone port (pink). This port connects a microphone.
9 - USB 2.0 ports 1, 2, 3, and 4. These four 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
10 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.