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1.11 Connectors
1.11.1 Rear panel ports
1. PS/2 Keyboard/Mouse Combo port (purple). This port is for a PS/2 keyboard or 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 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
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 the 4, 6, and
8-channel congurations, the function of this port becomes Front Speaker Out.
6. Microphone port (pink).
This port connects to a microphone.
Refer to the audio conguration table on the next page for the function of the audio ports in
a 2, 4, 6, or 8-channel conguration.
ASUS M4A77T 1-19