ASROCK X79 Extreme6/GB User Manual page 16

* There are two LEDs next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED
Status Description
Off No Link
Blinking Data Activity
On Link
** Front Panel Audio Header
(9-pin F_AUDIO1)
*** HDMI_SPDIF Header
(3-pin HDMI_SPDIF1)
**** The onboard audio will be disabled when ASRock Game Blaster is installed, but you can still
enable it in the UEFI setup.
SPEED LED
Status Description
Off 10Mbps connection
Green 100Mbps connection
Green 1Gbps connection
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
16
ACT/LINK SPEED
LED LED
LAN Port