Figure 2: Backplate

1 - PS/2 mouse port (green). This port is for a PS/2 mouse.
2 - Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices.
3 - LAN (RJ-45) port. This port allows connection to a Local Area
Network (LAN) through a network hub.
4 - Line In port (light blue). This port connects a tape, CD, DVD
player or other audio sources.
5 - Line Out port (lime). This port connects a headphone or a
speaker. In 4-channel, 6-channel, and 8-channel mode, the function of this port becomes Front Speaker Out.
6 - Microphone port (pink). This port connects a microphone.
7 - 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.
8 - Video Graphics Adapter port. This 15-pin port is for a VGA
monitor or other VGA-compatible devices.
9 - Serial Port : used for external modems, MIDI devices, other legacy peripherals.
10 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.