Biostar B550M-SILVER, Manual

Page: 20 / 180

20 | Chapter 2: Hardware installation
COM1: Serial Port Connector
The motherboard has a serial port header for connecting RS-232 Port.
Pin Assignment
1
Carrier detect
2 Received data
3 Transmitted data
4 Data terminal ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator
10 Key
12V_LED: RGB LED Device (5050 SMD) Header
This header providers 12V power and RGB control pins for RGB LED Device (5050 SMD).
Pin Cable Color Assignment
1
12V (Black) VCC12
2 G (Green) LED_GREEN
3 R (Red) LED_RED
4 B (Blue) LED_BLUE
5V_LED1/ 5V_LED2: Addressable RGB LED Device (WS2818B) Header
This header providers 5V power and Data control pins for ARGB LED Device (WS2818B).
Pin Assignment
1
VCC5
2 Data
3 N/A
4 GND
Note
»
Ensure proper pin connecting to your LED device, wrong connection may damage your LED device or
motherboard.
»
The 12V_LED connector supports to 5050 RGB LED strips with the maximum power rating of 3A
(12V).
»
The 5V_LED connector supports up to 300 LEDs WS2818B individually Addressable RGB LED strips
with the maximum power rating of 3A (5V).
»
Please use the Vivid LED DJ software to control the LEDs. For detailed software setting information,
refer to chapter 3.3 .