ASROCK B550 Phantom Gaming 4 Manual page 7

* There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
ACT/LINK LED
SPEED LED
LAN Port
Activity / Link LED
Status
Off
Blinking
On
** Function of the Audio Ports in 7.1-channel Configuration:
Port
Light Blue (Rear panel)
Lime (Rear panel)
Pink (Rear panel)
Lime (Front panel)
6
Description
No Link
Data Activity
Link
Speed LED
Status Description
Off 10Mbps connection
Orange 100Mbps connection
Green 1Gbps connection
Function
Rear Speaker Out
Front Speaker Out
Central /Subwoofer Speaker Out
Side Speaker Out