Asus TUF GAMING B660M-E D4, Manual, Page: 17 / 40

1-7
1.2.2 Rear panel connectors
1. DisplayPort. This port is for a DisplayPort-compatible device.
2. PS/2 Keyboard/Mouse combo port. This port is for a PS/2 keyboard or mouse.
3. Ethernet port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub. Refer to the table below for the Ethernet port LED indications.
Realtek 2.5Gb Ethernet port LED indications
1
2
9 10
3 4 5
8 7 6
4. Line In port (light blue).
This port connects the tape, CD, DVD player, or other audio
sources.
5. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel,
5.1-channel, and 7.1-channel configurations, the function of this port becomes Front
Speaker Out.
6. HDMI
®
port.
This port is for a High-Definition Multimedia Interface (HDMI ® ) connector,
and is HDCP compliant allowing playback of HD DVD, Blu-ray, and other protected
content.
7. USB 2.0 ports. These 4-pin Universal Serial Bus (USB) port are for USB 2.0 devices.
8. USB 3.2 Gen 2 (up to 10Gbps) ports (teal blue, Type A). This 9-pin Universal Serial
Bus 3.2 (USB 3.2) ports are for USB 3.2 Gen 2 devices.
9. USB 3.2 Gen 1 (up to 5Gbps) ports (USB Type-A
®
).
This Universal Serial Bus 3.2
(USB 3.2) ports are for USB 3.2 Gen 1 Type-A
®
devices.
ASUS TUF GAMING B660M-E D4
Activity Link LED
Status
Description
OFF No link
GREEN Linked
BLINKING Data activity
ACT/LINK
LED
SPEED
LED
LAN port
Speed LED
Status
Description
OFF No link
ORANGE
1 Gbps / 100 Mbps /
10 Mbps connection
GREEN 2.5 Gbps connection