User's Manual

Expansion slot brackets. Remove the expansion slot bracket when installing an
expansion card.
ASUS Graphics Cards (on selected models only). The display output ports on these
optional ASUS Graphics Cards may vary with different models.
LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub.
Audio 2.1, 4.1, 5.1, or 7.1-channel configuration
Microphone port (pink). This port connects to a microphone.
Line Out port (lime). This port connects to a headphone or speaker. In a 4.1, 5.1,
or 7.1-channel configuration, the function of this port becomes Front Speaker Out.
Supported by ASUS Audio Wizard.
Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio
sources.
Refer to the audio configuration table below for the function of the audio ports in a 2.1, 4.1,
5.1, or 7.1-channel configuration.
Air vents. These vents allow air ventilation.
DO NOT block the air vents on the chassis. Always provide proper ventilation for your
computer.
Activity/Link LED Speed LED
Status Description Status Description
OFF No link OFF 10Mbps connection
ORANGE Linked ORANGE 100Mbps connection
BLINKING Data activity GREEN 1Gbps connection
LAN port
SPEED
LED
ACT/LINK
LED
LAN port LED indications
Port Headset 2-channel 4-channel 6-channel 8-channel
Light Blue (Rear panel) Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out
Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink (Rear panel) Mic In Mic In Bass/Center Bass/Center
Lime (Front panel) - - - Side Speaker Out
ASUS A31BD / F31BD / K31BD / K30BD 17
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