User’s Manual
Audio 2, 4, 6, 8, or 10-channel conguration
Port
Headset
2-channel
4-channel 6-channel 8-channel 10-channel
Light Blue Line In Line In Line In Line In
Additional Side
Speaker Out
Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Mic In Mic In Mic In
Orange – – Center/Subwoofer Center/Subwoofer Center/Subwoofer
Black – Rear Speaker Out Rear Speaker Ou Rear Speaker Out Rear Speaker Out
Gray – – – Side Speaker Out Side Speaker Out
12. RCA Out port (left-channel). This port connects a receiver or an amplier via an RCA
cable.
13. USB 2.0 ports 1 and 2.
These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
• For RC edition, connect the IR receiver to USB 2.0 port 1 or 2 which supports with
power-on function. The power-on function follows the behavior of the system sleep
button which can be customized in Windows
®
Control Panel.
• To disable the power-on function for USB 2.0 port 1 or 2, set the
Power on By USB
Port 1/2 item to [Disabled] in the BIOS. When the Power on By USB Port 1/2 item is
set to [Enabled], connecting/disconnecting the USB devices to/from these two ports will
power on the system. Refer to page 2-17 for details.
14. External SATA port. This port connects an external Serial ATA hard disk drive.
• The external SATA port supports external Serial ATA 3.0 Gb/s devices. Longer cables
support higher power requirements to deliver signal up to two meters away, and enables
improved hot-swap function.
• Before using the External SATA port, ensure to set the
OnChip SATA Type in the BIOS
settings to [AHCI] and install the AHCI driver.
DO NOT insert a different connector to this port.
15. IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed connectivity for
audio/video devices, storage peripherals, PCs, or portable devices.
16. DVI-I Out port. This port is for any DVI-I compatible device and are HDCP compliant,
allowing playback of HD DVD, Blu-Ray and other protected content.
17. HDMI Out port. This port is for a high-denition multimedia interface (HDMI) connector.
11. Side Speaker Out port (gray). This port connects the side speakers in an 8-channel
or 10-channel audio congurations.
Refer to the audio conguration table below for the function of the audio ports in 2, 4, 6, 8,
or 10-channel conguration.
1-22 ASUS M4A785G HTPC Series