Page 1
Quick Start Thank you for purchasing the MSI® MAG B550M BAZOOKA motherboard. This Quick Start section provides demonstration diagrams about how to install your computer. Some of the installations also...
Page 2
Safety Information The components included in this package are prone to damage from electrostatic discharge (ESD). Please adhere to the following instructions to ensure successful computer assembly. E...
Page 3
Installing a Processor https://youtu.be/Xv89nh Fk1vc 3Quick Start
Page 4
Important If you are installing the screw-type CPU heatsink, please follow the figure below to remove the retention module first and then install the heatsink. Quick Start
Page 5
Installing DDR4 memory http://youtu.be/T03a Dr JPy Qs DIMMA1 DIMMA2 DIMMA2 DIMMA2 DIMMB2 DIMMB1 DIMMB2 5Quick Start
Page 6
Connecting the Front Panel Header T S SW http://youtu.be/DPELId VNZUI SE RE WER PO HD D L ED Power LED Power Switch RE SET SW Reserved HDD LED Reset Switch HDD LED + Power LED + HDD LED - Power LED - ...
Page 7
Installing the Motherboard https://youtu.be/w WI6Qt51Wnc Torque: 3 kgf·cm* *3 kgf·cm = 0.3 N·m = 2.6 lbf·in 7Quick Start
Page 8
Connecting the Power Connectors http://youtu.be/gk DYy R_83I4 ATX_PWR1 CPU_PWR1CPU_PWR2 Quick Start
Page 9
Installing SATA Drives http://youtu.be/RZs Mpqxythc 9Quick Start
Page 10
Installing a Graphics Card http://youtu.be/m G0GZpr9w_A Quick Start
Page 11
Connecting Peripheral Devices ith integrated graphics Processor w 11Quick Start
Page 12
Power On Quick Start
Page 13
Contents Quick Start ............................................................................................................. Preparing Tools and Components .........................................
Page 14
JRAINBOW1~2: Addressable RGB LED connectors ............................................. EZ Debug LED ....................................................................................................
Page 15
Specifications Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update Chipset AMD B550 Chipset 4x DDR4 memory slots, support up to 128GB* Supports DDR4 18...
Page 16
Continued from previous page AMD B550 Chipset 4x SATA 6Gb/s ports 2x M.2 slots (Key M) M2_1 slot (from processor) Supports PCIe 4.0/ 3.0 x4 * Storage Supports SATA 6Gb/s Supports 2242/ 2260/ 2280 stor...
Page 17
Continued from previous page 1x 24-pin ATX main power connector 1x 8-pin ATX 12V power connector 4x SATA 6Gb/s connectors 2x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps Type-C port 1x USB 3.2 Gen 1 5Gbps...
Page 18
Continued from previous page CPU/ System/ Chipset temperature detection Hardware Monitor CPU/ System/ Pump fan speed detection CPU/ System/ Pump fan speed control Micro-ATX Form Factor Form Factor 9.6...
Page 19
Continued from previous page Audio Audio Boost Cooling Pump Fan Smart Fan Control LED Mystic Light Extension (RAINBOW/RGB) EZ LED Control EZ DEBUG LED Performance Special Features DDR4 Boost Core Boos...
Page 20
Package contents Please check the contents of your motherboard package. It should contain: Motherboard MAG B550M BAZOOKA SATA 6G cables Cable (2 cables/pack) M.2 screws (3 pcs./pack) Case badge Produc...
Page 21
Block Diagram 2 Channel DDR4 Memory Processor PCI Express Bus 1x M.2 4x USB 3.2 Gen1 Realtek Front Audio Jacks ALC892/ 4x SATA 6Gb/s ALC897 Rear Audio Jacks NUVOTON Chipset 6x USB 2.0 2x PCIe x1 slots...
Page 22
Rear I/O Panel PS/2 Combo Line-Out USB 3.2 Gen 1 Line-In 1 Gbps LAN (5Gbps) Type-A Flash BIOS Button USB 2.0 Mic-In Type-A Display Port Flash BIOS USB 3.2 Gen 1 Port (5Gbps) Type-A Flash BIOS Port/ Bu...
Page 23
Device Selection - allows you to select a audio output source to change the related options. The check sign indicates the devices as default. Application Enhancement - the array of options will provid...
Page 24
Overview of Components Processor Socket DIMMA1 DIMMA2 CPU_FAN1 DIMMB1 CPU_PWR1 DIMMB2 PUMP_FAN1 JRAINBOW2 SYS_FAN1 ATX_PWR1 SYS_FAN2 JUSB1 M2_1 JTPM1 PCI_E1 M2_2 SATA▼1▲2 JBAT1 SATA▼3▲4 PCI_E2 JUSB2 P...
Page 25
Component Contents Port Name Port Type Page CPU_FAN1, PUMP_FAN1, Fan Connectors SYS_FAN1~3 CPU_PWR1, ATX_PWR1 Power Connectors DIMMA1, DIMMA2, DIMMB1, DIMM Slots DIMMB2 JAUD1 Front Audio Connector JBA...
Page 26
Processor Socket Distance from the center of the CPU to the nearest DIMM slot. 53.8 mm Introduction to the AM4 CPU The surface of the AM4 CPU has a yellow triangle to assist in correctly lining up the...
Page 27
DIMM Slots DIMMA1 DIMMB1 Channel A Channel B DIMMA2 DIMMB2 Memory module installation recommendation DIMMA1 DIMMA2 DIMMA2 DIMMB1DIMMA2 DIMMB2 DIMMB2 Important Always insert memory modules in the DIMMA...
Page 28
PCI_E1~3: PCIe Expansion Slots PCI_E1: PCIe 3.0/ 4.0 x16 (CPU) PCI_E2: PCIe 3.0 x1 (PCH) PCI_E3: PCIe 3.0 x1 (PCH) Important If you install a large and heavy graphics card, you need to use a tool such...
Page 29
M2_1~2: M.2 Slots (Key M) Video Demonstration Watch the video to learn how to Install M.2 module. http://youtu.be/JCTFABytr YA M2_1 slot installation 1. Loosen the screws of M.2 SHIELD FROZR heatsink....
Page 30
3. Move and fasten the M.2 standoff to the appropriate position for your M.2 SSD, or remove the M.2 standoff if your M.2 SSD length is same as the length of M.2 heatsink to avoid damage to the M.2 SSD...
Page 31
JFP1, JFP2: Front Panel Connectors These connectors connect to the switches and LEDs on the front panel. Power LED Power Switch Reserved HDD LED Reset Switch HDD LED + Power LED + HDD LED - Power LED ...
Page 32
CPU_PWR1, ATX_PWR1: Power Connectors These connectors allow you to connect an ATX power supply. CPU_PWR1 Ground +12V Ground +12V Ground +12V Ground +12V Ground Ground +5V PS-ON# Ground Ground +5V Grou...
Page 33
JUSB1: USB 3.2 Gen 1 5Gbps Type-C Connector This connector allows you to connect USB 3.2 Gen 1 5Gbps Type-C connector on the front panel. The connector possesses a foolproof design. When you connect t...
Page 34
JUSB3~4: USB 2.0 Connectors These connectors allow you to connect USB 2.0 ports on the front panel. VCC VCC USB0- USB1- USB0+ USB1+ Ground Ground No Pin NC Important Note that the VCC and Ground pins ...
Page 35
CPU_FAN1, PUMP_FAN1, SYS_FAN1~3: Fan Connectors Fan connectors can be classified as PWM (Pulse Width Modulation) Mode or DC Mode. PWM Mode fan connectors provide constant 12V output and adjust fan spe...
Page 36
JCI1: Chassis Intrusion Connector This connector allows you to connect the chassis intrusion switch cable. Normal Trigger the chassis (default) intrusion event Using chassis intrusion detector 1. Conn...
Page 37
JBAT1: Clear CMOS (Reset BIOS) Jumper There is CMOS memory onboard that is external powered from a battery located on the motherboard to save system configuration data. If you want to clear the system...
Page 38
JRGB1~2: RGB LED connector The JRGB connectors allow you to connect the 5050 RGB LED strips 12V. RGB LED Strip Connection RGB extension JRGB cable 5050 RGB LED strips 12V connector RGB LED Fan Connect...
Page 39
JRAINBOW1~2: Addressable RGB LED connectors The JRAINBOW connectors allow you to connect the WS2812B Individually Addressable RGB LED strips 5V. JRAINBOW1 JRAINBOW2 +5V Data No Pin Ground Addressable ...
Page 40
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 ...