Asus M4A78LT PLUS - Connectors; Rear Panel Ports

1.7 Connectors
1.7.1 Rear panel ports
1. PS/2 Mouse port (green). This port is for a PS/2 mouse.
2. LAN (RJ-45) port.
This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub.
LAN port LED indications
Activity/Link LED Speed LED
Status Description Status Description
OFF No link OFF 10Mbps connection
ORANGE Linked ORANGE 100Mbps connection
BLINKING Data activity GREEN 1Gbps connection
LAN port
SPEED
LED
ACT/LINK
LED
3. Line In port (light blue). This port connects to the tape, CD, DVD player, or other
audio sources.
4. Line Out port (lime).
This port connects to a headphone or a speaker. In 4-channel
and 6-channel congurations, the function of this port becomes Front Speaker Out.
5. Microphone port (pink).
This port connects to a microphone.
7
3 42
56
1
8
6. USB 2.0 ports 1, 2, 3, 4, 5, and 6. These six 4-pin Universal Serial Bus (USB) ports
are for USB 2.0 devices.
7. Serial port.
This 9-pin COM1 port is for pointing devices or other serial devices.
8. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.
Refer to the audio conguration table below for the function of the audio ports in 2, 4, or
6-channel conguration.
Audio 2, 4, or 6-channel conguration
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
Chapter 1: Product introduction1-16