I/O Panel
1
14
13
No. Description
1
USB 2.0 Ports (USB_12)
2
2.5G LAN RJ-45 Port*
3
Central / Bass (Orange)
4
Rear Speaker (Black)
5
Line In (Light Blue)
6
Front Speaker (Lime)**
7
Microphone (Pink)
* There are two LEDs on the 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
Description
Off
No Link
Blinking
Data Activity
On
Link
** Function of the Audio Ports in 7.1-channel Configuration:
Port
Light Blue (Rear panel)
Lime (Rear panel)
Pink (Rear panel)
Lime (Front panel)
12
11
10
No. Description
8
Optical SPDIF Out Port
9
USB 3.2 Gen1 Ports (USB3_3_4)
10
USB 3.2 Gen1 Ports (USB3_1_2)
11
DisplayPort 1.4
12
HDMI Port
13
BIOS Flashback Button
14
PS/2 Mouse/Keyboard Port
Speed LED
Status
Off
Orange
Green
Function
Rear Speaker Out
Front Speaker Out
Central /Subwoofer Speaker Out
Side Speaker Out
B660M Steel Legend
3
5
2
4
6
9
8
7
Description
10Mbps connection
100Mbps connection
1Gbps connection
3