MSI PRO B660M-P Manuel D'utilisation page 11

LAN Port LED Status Table
Link/ Activity LED
Status Description
Off No link
Yellow Linked
Blinking Data activity
Audio 7.1-channel Configuration
To configure 7.1-channel audio, you have to connect front audio I/O module to JAUD1
connector and follow the below steps.
1. Click on the Realtek HD Audio Manager > Advanced Settings to open the dialog
below.
2. Select Mute the rear output device, when a front headphone plugged in.
3. Plug your speakers to audio jacks on rear and front I/O panel. When you plug into
a device at an audio jack, a dialogue window will pop up asking you which device is
current connected.
Speed LED
Status
Off
Green
Orange
10
Speed
10 Mbps
100 Mbps
1 Gbps