MSI MPG B550 User Manual

31
Overview of Components
BAT1
EZ Debug LED
These LEDs indicate the debug status of the motherboard.
CPU - indicates CPU is not detected or fail.
DRAM - indicates DRAM is not detected or fail.
VGA - indicates GPU/ PCIE/ M.2 device is not detected
or fail.
BOOT - indicates the booting device is not detected
or fail.
BAT1
LED_SW1: EZ LED Control
This switch is used to switch on/ off all the LEDs of motherboard.
LED_OFF
LED_ON
(Default)
BAT1
JPWRLED1: LED power input
This connector is used by retailers to demonstrate onboard LED lights.
JPWRLED1 - LED power input

MSI MPG B550 Specifications

General

Form Factor	ATX
Chipset	AMD B550
Max Memory	128GB
Memory Type	DDR4
M.2 Slots	2
SATA Ports	6
Socket	AM4
Memory Slots	4
Memory Speed	4400MHz (OC)
Network	2.5G LAN
Wi-Fi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.1
RGB Support	Mystic Light