Gigabyte GA-H55M-UD2H, User Manual, Page: 21 / 96

- 21 - Hardware Installation
In addition to the default speakers settings, the ~ audio jacks can be reconfigured to per -
form different functions via the audio software. Only microphones still MUST be connected to
the default Mic in jack ( ). Refer to the instructions on setting up a 2/4/5.1/7.1-channel audio
configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off
No data transmission or receiving is occurring
Connection/Speed LED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
Activity LED
Connection/
Speed LED
LAN Port
IEEE 1394a Port
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The IEEE 1394 port supports the IEEE 1394a specification, featuring high speed, high bandwidth and
hotplug capabilities. Use this port for an IEEE 1394a device.
eSATA 3Gb/s Port
The eSATA 3Gb/s port conforms to SATA 3Gb/s standard and is compatible with SATA 1.5Gb/s standard.
Use the port to connect an external SATA device.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following de-
scribes the states of the LAN port LEDs.
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio configuration.
Rear Speaker Out Jack (Black)
Use this audio jack to connect rear speakers in a 4/5.1/7.1-channel audio configuration.
Side Speaker Out Jack (Gray)
Use this audio jack to connect side speakers in a 7.1-channel audio configuration.
Line In Jack (Blue)
The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (Green)
The default line out jack. 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 Jack (Pink)
The default Mic in jack. Microphones must be connected to this jack.
• 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.
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Only for GA-H55M-UD2H