Asus M4N78-AM - Manual (Page 18)

4. Line In port (light blue). This port connects to the tape, CD, DVD player, or other
audio sources.
5. Line Out port (lime). This port connects to a headphone or a speaker. In 4-channel
and 6-channel configurations, the function of this port becomes Front Speaker Out.
6. Microphone port (pink). This port connects to a microphone.
Refer to the audio configuration table below for the function of the audio ports in 2, 4, or
6-channel configuration.
Audio 2, 4, 6-channel configuration
Port Headset 2-channel 4-channel 6-channel
Light Blue Line In Rear Speaker Out Rear Speaker Out
Lime Line Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Bass/Center
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to
USB 2.0 devices.
8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports connect to
USB 2.0 devices.
9. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
10. COM port. This 9-pin COM1 port is for pointing devices or other serial devices.
11. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.
1.7.2 Internal connectors
1. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
Chapter 1: Product introduction 1-9