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