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
Line Out port (lime). This port connects to a headphone or speaker. In a 4.1 or
5.1-channel configuration, the function of this port becomes Front Speaker Out.
Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio
sources.
Refer to the audio configuration table for the function of the audio ports in a 2.1, 4.1 or
5.1-channel configuration.
Expansion slot brackets. Remove the expansion slot bracket when installing an
expansion card.
ASUS Graphics Card (on selected models only). The display output ports on this
optional ASUS Graphics Card may vary with different models.
LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub.
LAN port LED indications
Audio 2.1, 4.1 or 5.1-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.
VGA port. This port is for VGA-compatible devices such as a VGA monitor.
Port Headset 2.1-channel 4.1-channel 5.1-channel
Light Blue (Rear panel) Line In Rear Speaker Out Rear Speaker Out
Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out
Pink (Rear panel) Mic In Mic In Bass/Center
ASUS K20DA / A20DA / F20DA / K31DA / A31DA / F31DA / K31DAG / A31DAG / F31DAG 19
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