B550D4-4L
10 11
English
1.6 I/O Panel
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No. Description No. Description
1 Serial Port (COM1) 7 LAN RJ-45 Port (LAN2)****
2 VGA Port (VGA1)* 8 HDMI 1.4 Port (HDMI1)**
3 LAN RJ-45 Port (IPMI_LAN)*** 9 LAN RJ-45 Port (LAN3)****
4 USB 3.2 Gen1 Ports (USB3_1_2) 10 LAN RJ-45 Port (LAN4)****
5 LAN RJ-45 Port (LAN1)**** 11 UID Switch (UID1)
6 USB 3.2 Gen2 Ports (USB3_3_4) 12 UID LED (UID_LED1)
*If the FRNT_VGA1 header is in use, there will be no signal on the rear VGA port.
**e HDMI1 port is only supported with APU (Renoir) is installed.
LAN Port LED Indications
***ere are two LED next to the LAN port. Please refer to the table below for the LAN
port LED indications.
Dedicated IPMI LAN Port LED Indications
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10M bps connection or no
link
Blinking Yellow Data Activity Yellow 100M bps connection
On Link Green 1G bps connection
ACT/LINK LED
SPEED LED
LAN Port
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