ASROCK B550M Steel Legend User Manual page 16

** 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
*** If you use a 2-channel speaker, please connect the speaker's plug into "Front Speaker Jack". See the table below
for connection details in accordance with the type of speaker you use.
Audio Output
Channels
2
4
6
8
10
Description
No Link
Data Activity
Link
Front Speaker Rear Speaker
(No. 7) (No.5)
V
V
V
V
Speed LED
Status Description
Off 10Mbps connection
100Mbps/1Gbps
Orange
connection
Green 2.5Gbps connection
Central / Bass
(No. 4)
-- --
V --
V V
V V
Line In
(No. 6)
--
--
--
V