Connectors; Rear Panel Connectors - Asus M4A78-HTPC User Manual

1.10

Connectors

1.10.1

Rear panel connectors

1. Coaxial S/PDIF Out port. This port connects an external audio output device via an
coaxial S/PDIF cable.
2. Video Graphics Adapter (VGA) port This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
3. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 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
Status
OFF
10 Mbps connection
100 Mbps connection
1 Gbps connection
5. RCA Out port (right-channel). This port connects a receiver or a TV via an RCA
cable.
6. Center/Subwoofer port (orange). This port connects the center/subwoofer speakers.
7. Rear Speaker Out port (black). This port connects the rear speakers in a 4-channel,
6-channel, or 8-channel audio configuration.
8. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio
sources.
9. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel,
6-channel, and 8-channel configuration, the function of this port becomes Front Speaker Out.
10. Microphone port (pink). This port connects a microphone.
11. Side Speaker Out port (gray). This port connects the side speakers in an 8-channel
audio configuration.
Refer to the audio configuration table on next page for the function of the audio ports in 2,
4, 6, or 8-channel configuration.
1-18
Left LED
OFF
Orange (blinking during
data activity)
OFF
OFF
Right LED
OFF
OFF
Orange (blinking during
data activity)
Green (blinking during
data activity)
Left Right
LED LED
LAN port
ASUS M4A78-HTPC