Gigabyte GA-X99P-SLI User Manual page 22

RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following
describes the states of the LAN port LEDs.
Connection/
Connection/Speed LED:
Speed LED Activity LED
LAN Port
Center/Subwoofer Speaker Out (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio configuration.
Rear Speaker Out (Black)
This jack can be used to connect rear speakers in a 4/5.1/7.1-channel audio configuration.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical audio.
Before using this feature, ensure that your audio system provides an optical digital audio in connector.
Line In (Blue)
The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out (Green)
The line out jack. This jack supports audio amplifying function. For better sound quality, it is recommended
that you connect your headphone/speaker to this jack (actual effects may vary by the device being used).
Use this audio jack for a headphone or 2-channel speaker. This jack can be used to connect front speakers
in a 4/5.1/7.1-channel audio configuration.
Mic In (Pink)
The Mic in jack. Microphones must be connected to this jack.
The audio jacks can be reconfigured to perform different functions via the audio software (supported
functions may vary based on hardware specification). If you install a Side Speaker, you need to retask
other audio jack to be Side Speaker out. Only microphones still MUST be connected to the default
Mic in jack. Please visit GIGABYTE's website for more software information.
• When removing the cable connected to a back panel connector, first remove the cable from your
device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side to
prevent an electrical short inside the cable connector.
Hardware Installation
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
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Activity LED:
State Description
Blinking Data transmission or receiving is occurring
On No data transmission or receiving is occurring