Asus M4A78LT-M - Connectors; Rear Panel Ports

1.10 Connectors
1.10.1 Rear panel ports
1. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.
2. Optical S/PDIF Out port. This port connects an external audio output device via an
optical S/PDIF cable.
3. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices
4. 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
12
5 6 7 8
910
1
15
2 3
14
4
1113
5. Center / Subwoofer port (orange). This port connects the center/subwoofer speakers.
6. Rear Speaker Out port (black). This port connects the rear speakers in a 4-channel,
6-channel, or 8-channel audio conguration.
7. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio
sources.
8. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel, 6-
channel, and 8-channel congurations, the function of this port becomes Front Speaker
Out.
9. Microphone port (pink). This port connects a microphone.
10. Side Speaker Out port (gray). This port connects the side speaker in an 8-channel
audio conguration.
Refer to the audio conguration table on the next page for the function of the audio ports in
2, 4, 6, or 8-channel conguration.
ASUS M4A78LT-M 1-19