I/O Panel
17
16
15
No. Description
1
USB 2.0 Ports (USB_12)*
2
Antenna Ports
(on I/O Panel Shield)
3
LAN RJ-45 Port**
4
Central / Bass (Orange)
5
Rear Speaker (Black)
6
Line In (Light Blue)
7
Front Speaker (Lime)***
8
Microphone (Pink)
9
Optical SPDIF Out Port
10
USB 3.2 Gen1 Ports (USB3_34)
* Please note that the USB_2 consumes auxiliary power (+5VSB) while the other USB ports consume DUAL
Power (+5VDUAL). The USB_2 is optimal for connecting the USB Type speaker and headset..
1
2
14
12
13
No. Description
11
USB 3.2 Gen1 Ports
(USB3_12)
12
USB 3.2 Gen2 Type-A Port
(USB31_TA_1)
13
USB 3.2 Gen2 Type-C Port
(USB31_TC_1)
14
PS/2 Mouse/Keyboard Port
15
DisplayPort 1.4
16
HDMI Port
17
Clear CMOS Button
B550M Steel Legend
3
11
10
4
6
5
7
9
8
3