1-7
Realtek 2.5G Ethernet port LED indications
Speed LED
Status Description
OFF
No link
GREEN
2.5 Gbps connection
ORANGE
1 Gbps / 100 Mbps /
10 Mbps connection
Activity Link LED
Status Description
OFF No link
GREEN Linked
BLINKING Data activity
ACT/LINK
LED
SPEED
LED
LAN port
5. Center / Subwoofer port (orange). This port connects the center/subwoofer speakers.
6. Rear Speaker Out port (black). This port connects the rear speakers in a 4 channel,
5.1 channel, or 7.1 channel audio conguration.
7. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio
sources.
8. HDMI
®
port. This port is for a High-Denition Multimedia Interface (HDMI
®
) connector,
and is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected
content.
9. USB 3.2 Gen 2 (up to 10Gbps) ports (teal blue, Type A). These Universal Serial Bus
3.2 (USB 3.2) ports are for USB 3.2 Gen 2 devices.
10. USB 3.2 Gen 2x2 (up to 20Gbps) port (USB Type-C
®
). This Universal Serial Bus 3.2
(USB 3.2) port is for USB 3.2 Gen 2x2 Type-C
®
devices.
11. Intel
®
Wi-Fi 6 ports. These ports connect to Wi-Fi antennas.
Refer to the 1.6 Wi-Fi antennas installation section for details.
12. Optical S/PDIF out port. This port allows you to connect your PC to amplied
speakers, headphones, or Sony/Phillips Digital Interconnect Format (S/PDIF) compliant
devices.
13. Microphone port (pink). This port connects a microphone.
14. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel,
5.1-channel, and 7.1-channel congurations, the function of this port becomes Front
Speaker Out.
Refer to the audio conguration table below for the function of the audio ports in 2, 4, 5.1,
or 7.1-channel conguration.
Audio 2, 4, 5.1 or 7.1-channel configuration
Port
Headset
2-channel
4-channel 5.1-channel 7.1-channel
Light Blue Line In Line In Line In Side Speaker Out
Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Mic In Mic In
Orange — — Center/Subwoofer Center/Subwoofer
Black — Rear Speaker Out Rear Speaker Out Rear Speaker Out
TUF GAMING B660M-PLUS WIFI