Asus M4A78-HTPC User Manual - Page 30
Connectors
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1.10 1.10.1 Connectors 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 Left LED OFF Orange (blinking during data activity) OFF 1 Gbps connection OFF Right LED OFF OFF Orange (blinking during data activity) Green (blinking during data activity) Left Right LED LED LAN port 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 ASUS M4A78-HTPC