MSI B550-A PRO Quick Start Manual
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MSI B550-A PRO Quick Start Manual

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Quick Start

Thank you for purchasing the MSI®
B550-A PRO(CEC)
motherboard. This Quick Start
section provides demonstration diagrams about how to install your computer. Some
of the installations also provide video demonstrations. Please link to the URL to watch
it with the web browser on your phone or tablet. You may have even link to the URL by
scanning the QR code.

Preparing Tools and Components

AMD
AM4 CPU
®
CPU Fan
Chassis
DDR4 Memory
Power Supply Unit
Graphics Card
Thermal Paste
SATA Hard Disk Drive
SATA DVD Drive
A Package of Screws
Phillips Screwdriver
1
Quick Start

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Summary of Contents for MSI B550-A PRO

  • Page 1: Quick Start

    Quick Start Thank you for purchasing the MSI® B550-A PRO(CEC) motherboard. This Quick Start section provides demonstration diagrams about how to install your computer. Some of the installations also provide video demonstrations. Please link to the URL to watch it with the web browser on your phone or tablet. You may have even link to the URL by scanning the QR code.

  • Page 2: Safety Information

    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. ∙ Ensure that all components are securely connected. Loose connections may cause the computer to not recognize a component or fail to start.

  • Page 3: Installing A Processor

    Installing a Processor https://youtu.be/Xv89nhFk1vc Quick 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

    Installing DDR4 memory http://youtu.be/T03aDrJPyQs DIMMA1 DIMMA2 DIMMA2 DIMMA2 DIMMB1 DIMMB2 DIMMB2 Quick Start...

  • Page 6: Connecting The Front Panel Header

    Connecting the Front Panel Header http://youtu.be/DPELIdVNZUI Power LED Power Switch JFP1 Reserved HDD LED Reset Switch HDD LED + Power LED + HDD LED - Power LED - Reset Switch Power Switch JFP1 Reset Switch Power Switch Reserved No Pin HDD LED - HDD LED HDD LED +...

  • Page 7: Installing The Motherboard

    Installing the Motherboard ⚽ https://youtu.be/wWI6Qt51Wnc Torque: 3 kgf·cm* *3 kgf·cm = 0.3 N·m = 2.6 lbf·in Quick Start...

  • Page 8: Connecting The Power Connectors

    Connecting the Power Connectors http://youtu.be/gkDYyR_83I4 ATX_PWR1 CPU_PWR1 Quick Start...

  • Page 9: Installing Sata Drives

    Installing SATA Drives http://youtu.be/RZsMpqxythc Quick Start...

  • Page 10: Installing A Graphics Card

    Installing a Graphics Card http://youtu.be/mG0GZpr9w_A Quick Start...

  • Page 11: Connecting Peripheral Devices

    Connecting Peripheral Devices Quick Start...

  • Page 12: Power On

    Power On Quick Start...

  • Page 13: Table Of Contents

    Contents Quick Start ......................1 Preparing Tools and Components ................1 Safety Information ....................2 Installing a Processor ..................... 3 Installing DDR4 memory ..................5 Connecting the Front Panel Header ............... 6 Installing the Motherboard ..................7 Connecting the Power Connectors ................. 8 Installing SATA Drives.....................
  • Page 14 JRGB1: RGB LED connector ................. 39 JRAINBOW1~2: Addressable RGB LED connectors ..........40 EZ Debug LED ....................... 41 LED_SW1: EZ LED Control ................... 41 Installing OS, Drivers & Utilities ................. 42 Installing Windows® 10 ..................42 Installing Drivers ....................42 Installing Utilities ....................

  • Page 15: Specifications

    ∙ Supports non-ECC UDIMM memory ∙ Supports ECC UDIMM memory (non-ECC mode) ∙ Supports un-buffered memory * Please refer www.msi.com for more information on compatible memory. ∙ 1x PCIe 4.0/ 3.0 x16 slot (from CPU) ▪ PCI_E1 supports PCIe 4.0x16 mode for AMD Ryzen™...
  • Page 16 Continued from previous page ∙ 1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz*/** ∙ 1x DisplayPort 1.2 port, supports a maximum resolution of 4096x2160 @60Hz** Onboard Graphics ∙ Maximum shared memory of 16 GB * Graphics specifications may vary depending on the CPU installed. ** Available for the processor with integrated graphics.
  • Page 17 Continued from previous page ∙ 1x Realtek® 8111H Gigabit LAN controller ∙ 1x 24-pin ATX main power connector ∙ 1x 8-pin ATX 12V power connector ∙ 8x SATA 6Gb/s connectors ∙ 2x M.2 slots (M-Key) ∙ 1x USB 3.2 Gen 1 5Gbps Type-C port ∙...
  • Page 18 BIOS Features ∙ ACPI 6.0, SMBIOS 2.8 ∙ Multi-language ∙ Drivers ∙ MSI Center ∙ MSI App Player(BlueStacks) Software ∙ Open Broadcaster Software (OBS) ∙ CPU-Z MSI GAMING ∙ Google Chrome™, Google Toolbar, Google Drive ∙ Norton™ Internet Security Solution ∙...
  • Page 19 ▪ Multi GPU-CrossFire Technology ▪ DDR4 Boost ▪ Core Boost ▪ GAME Boost ▪ USB with Type A+C ▪ USB 3.2 Gen 2 ▪ Front USB Type-C ∙ Experience ▪ MSI Center ▪ Click BIOS 5 ▪ Flash BIOS Button Specifications...

  • Page 20: Package Contents

    M.2 screws (3 pcs./pack) Accessories Case badge Product registration card Application Driver DVD Quick installation guide Documentation MSI components compatibility & reward program card ⚠ Important If any of the above items are damaged or missing, please contact your retailer. Package contents...

  • Page 21: Block Diagram

    Block Diagram 2 Channel DDR4 Memory Processor 1x M.2 2x USB 3.2 Gen1 Switch 2x USB 3.2 Gen2 1x M.2 PCIE Front Audio Jacks Realtek ALC892/ SATA1~6 ALC897 Rear Audio Jacks NUVOTON 6687 SATA7~8 ASM 1061 8x USB 2.0 2x PCIe x1 slots 3x USB 3.2 Gen1 1x Realtek 8111H LAN Block Diagram...

  • Page 22: Rear I/O Panel

    Rear I/O Panel USB 3.2 Gen 2 (10Gbps) Type-A PS/2 Combo port Audio Ports 1 Gbps LAN Flash BIOS Button DisplayPort USB 3.2 Gen 1 Flash BIOS (5Gbps) Type-A Port USB 2.0 USB 2.0 USB 3.2 Gen 2 Type-A Type-A (10Gbps) Type-C ∙...

  • Page 23: Realtek Audio Console

    Realtek Audio Console After Realtek Audio Console is installed. You can use it to change sound settings to get better sound experience. Application Enhancement Device Selection Main Volume Connector Settings Jack Status ∙ Device Selection - allows you to select a audio output source to change the related options.
  • Page 24 Audio jacks to headphone and microphone diagram Audio jacks to stereo speakers diagram AUDIO INPUT Audio jacks to 7.1-channel speakers diagram AUDIO INPUT Front Center/ Subwoofer Rear Side Rear I/O Panel...

  • Page 25: Overview Of Components

    Overview of Components Processor Socket CPU_FAN1 PUMP_FAN1 CPU_PWR1 JRAINBOW2 SYS_FAN1 SYS_FAN2 ATX_PWR1 JTPM1 JUSB4 SYS_FAN6 DIMMB2 M2_1 DIMMB1 DIMMA2 PCI_E1 DIMMA1 SATA▼5▲6 JBAT1 SATA▼1▲2 PCI_E2 SATA▼3▲4 PCI_E3 SATA▼7▲8 M2_2 SYS_FAN3 PCI_E4 JRAINBOW1 JAUD1 JFP1 JCI1 JFP2 JRGB1 SYS_FAN5 JUSB3 JCOM1 JUSB1 LED_SW1 JUSB2...
  • Page 26 Component Contents Port Name Port Type Page CPU_FAN1, PUMP_FAN1, Fan Connectors SYS_FAN1~6 CPU_PWR1, ATX_PWR1 Power Connectors DIMMA1, DIMMA2, DIMM Slots DIMMB1, DIMMB2 JAUD1 Front Audio Connector JBAT1 Clear CMOS (Reset BIOS) Jumper JCI1 Chassis Intrusion Connector JCOM1 Serial Port Connector JFP1, JFP2 Front Panel Connectors JRAINBOW1~2...

  • Page 27: Processor Socket

    Any attempt to operate beyond product specifications is not recommended. MSI® does not guarantee the damages or risks caused by inadequate operation beyond product specifications. Overview of Components...

  • Page 28: Dimm Slots

    It is recommended to use a more efficient memory cooling system for full DIMMs installation or overclocking. The stability and compatibility of installed memory module depend on installed CPU ∙ and devices when overclocking. Please refer www.msi.com for more information on compatible memory. ∙ Overview of Components...

  • Page 29: Pci_E1~4: Pcie Expansion Slots

    PCI_E4: PCIe 3.0 x1 (PCH) ⚠ Important If you install a large and heavy graphics card, you need to use a tool such as MSI ∙ Gaming Series Graphics Card Bolster to support its weight to prevent deformation of the slot.

  • Page 30: Sata1~8: Sata 6Gb/S Connectors

    SATA1~8: SATA 6Gb/s Connectors These connectors are SATA 6Gb/s interface ports. Each connector can connect to one SATA device. SATA6 SATA5 SATA2 SATA1 SATA4 SATA3 SATA8 SATA7 ⚠ Important ∙ Please do not fold the SATA cable at a 90-degree angle. Data loss may result during transmission otherwise.
  • Page 31 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. 4.

  • Page 32: Jfp1, Jfp2: Front Panel Connectors

    JFP1, JFP2: Front Panel Connectors These connectors connect to the switches and LEDs on the front panel. Power LED Power Switch JFP1 Reserved HDD LED Reset Switch HDD LED + Power LED + HDD LED - Power LED - Reset Switch Power Switch Reset Switch Power Switch...

  • Page 33: Cpu_Pwr1, Atx_Pwr1: Power Connectors

    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 +3.3V +3.3V +3.3V -12V Ground Ground PS-ON# Ground Ground Ground ATX_PWR1 Ground Ground PWR OK 5VSB +12V +12V +3.3V Ground...

  • Page 34: Jusb4: Usb 3.2 Gen 1 5Gbps Type-C Connector

    JUSB4: 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 the cable, be sure to connect it with the corresponding orientation. USB Type-C Cable JUSB4 USB Type-C port on...

  • Page 35: Jusb1~2: Usb 2.0 Connectors

    In order to recharge your iPad,iPhone and iPod through USB ports, please install ∙ MSI CENTER utility. JTPM1: TPM Module Connector This connector is for TPM (Trusted Platform Module). Please refer to the TPM security platform manual for more details and usages.

  • Page 36: Cpu_Fan1, Pump_Fan1, Sys_Fan1~6: Fan Connectors

    CPU_FAN1, PUMP_FAN1, SYS_FAN1~6: 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 speed with speed control signal. DC Mode fan connectors control fan speed by changing voltage. The auto mode fan connectors can automatically detect PWM and DC mode.

  • Page 37: Jci1: Chassis Intrusion Connector

    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. Connect the JCI1 connector to the chassis intrusion switch/ sensor on the chassis. 2.

  • Page 38: Jcom1: Serial Port Connector

    JCOM1: Serial Port Connector This connector allows you to connect the optional serial port with bracket. SOUT Ground No Pin 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.

  • Page 39: Jrgb1: Rgb Led Connector

    (12V/G/R/B) with the maximum power rating of 3A (12V). Always turn off the power supply and unplug the power cord from the power outlet ∙ before installing or removing the RGB LED strip. ∙ Please use MSI’s software to control the extended LED strip. Overview of Components...

  • Page 40: Jrainbow1~2: Addressable Rgb Led Connectors

    (5V). In the case of 20% brightness, the connector supports up to 200 LEDs. ∙ Always turn off the power supply and unplug the power cord from the power outlet before installing or removing the RGB LED strip. ∙ Please use MSI’s software to control the extended LED strip. Overview of Components...

  • Page 41: Ez Debug Led

    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.

  • Page 42: Installing Os, Drivers & Utilities

    Installing OS, Drivers & Utilities Please download and update the latest utilities and drivers at www.msi.com Installing Windows® 10 1. Power on the computer. 2. Insert the Windows® 10 installation disc/USB into your computer. 3. Press the Restart button on the computer case.

  • Page 43: Uefi Bios

    UEFI has many new functions and advantages that traditional BIOS cannot achieve, and it will completely replace BIOS in the future. The MSI UEFI BIOS uses UEFI as the default boot mode to take full advantage of the new chipset’s capabilities.

  • Page 44: Bios Setup

    BIOS Setup The default settings offer the optimal performance for system stability in normal conditions. You should always keep the default settings to avoid possible system damage or failure booting unless you are familiar with BIOS. ⚠ Important BIOS items are continuously update for better system performance. Therefore, the ∙...

  • Page 45: Resetting Bios

    Updating BIOS Updating BIOS with M-FLASH Before updating: Please download the latest BIOS file that matches your motherboard model from MSI website. And then save the BIOS file into the USB flash drive. Updating BIOS: 1. Insert the USB flash drive that contains the update file into the USB port.
  • Page 46 1. Please download the latest BIOS file that matches your motherboard model from the MSI® website. 2. Rename the BIOS file to MSI.ROM, and save it to the root of your USB flash drive. 3. Connect the power supply to CPU_PWR1 and ATX_PWR1. (No need to install CPU and memory.)

  • Page 47: Ez Mode

    EZ Mode At EZ mode, it provides the basic system information and allows you to configure the basic setting. To configure the advanced BIOS settings, please enter the Advanced Mode by pressing the Setup Mode switch or F7 function key. Screenshot Setup Mode switch Search...
  • Page 48 ∙ System information - shows the CPU/ DDR speed, CPU/ MB temperature, MB/ CPU type, memory size, CPU/ DDR voltage, BIOS version and build date. ∙ Boot device priority bar - you can move the device icons to change the boot priority. The boot priority from high to low is left to right.
  • Page 49 ▪ To add a BIOS item to a favorite menu 1. Select a BIOS item not only on BIOS menu but also on search page. 2. Right-click or press F2 key. 3. Choose a favorite page and click on OK. ▪...

  • Page 50: Advanced Mode

    Advanced Mode Press Setup Mode switch or F7 function key can switch between EZ Mode and Advanced Mode in BIOS setup. BIOS menu BIOS menu selection selection Menu display ∙ BIOS menu selection - the following options are available: ▪ SETTINGS - allows you to specify the parameters for chipset and boot devices. ▪...

  • Page 51: Settings Menu

    SETTINGS Menu This menu allows you to specify the parameters for system, chipset and boot devices. ▶ System Status sub-menu The System Status sub-menu allows you to set the system clock and view system information. ▶ System Date Sets the system date. Use tab key to switch between date elements. The format is <day>...
  • Page 52 ▶ Integrated Graphics Configuration sub-menu (optional) Adjusts integrated graphics settings for optimum system. This sub-menu is only available when using the CPU which integrate with IGP. ▶ USB Configuration sub-menu Sets the onboard USB controller and device function. Press Enter to enter the sub-menu.

  • Page 53: Oc Menu

    OC Menu This menu allows you to configure the frequencies and voltages for overclocking. Please note that, higher frequency and voltage may benefit overclocking capability but cause system un-stability. ⚠ Important Overclocking your PC manually is only recommended for advanced users. ∙...
  • Page 54 ▶ Memory Try It ! [Disabled] It can improve memory compatibility or performance by choosing optimized memory preset. This item will be available when the installed processor supports this function. ▶ Memory Failure Retry [Enabled] Enables or disables the system reboot function when the memory OC retry fails. ▶...

  • Page 55: M-Flash Menu

    M-FLASH provides the way to update BIOS with a USB flash drive. Please download the latest BIOS file that matches your motherboard model from MSI website, save the BIOS file into your USB flash drive. And then follow the steps below to update BIOS.

  • Page 56: Oc Profile Menu

    OC PROFILE Menu ▶ Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 management. Press Enter to enter the sub-menu. ▶ Set Name for Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Name the current overclocking profile. ▶...

  • Page 57: Hardware Monitor Menu

    HARDWARE MONITOR Menu This menu allows you to adjust the fan speed manually and monitor CPU/ system voltage. Select a temperature curve line (white) to be showed in Fan operating window Select a fan to be configured Select a fan mode for target fan Click to enable the Smart Fan Smart Fan duty...
  • Page 58 Adjusting fans 1. Selects a fan that you want to adjust and to display the fan duty curve line (yellow) in fan operating windows. 2. Click and drag the duty points to adjust the fan speed. Select a fan to be adjusted Duty points ⚠...

  • Page 59: Amd Raid Configuration

    AMD RAID Configuration The following are the RAID levels supported by RAIDXpert2. RAID 0 (Striping) breaks the data into blocks which are written to separate hard drives. Spreading the hard drive I/O load across independent channels greatly improves I/O performance. RAID 1 (Mirroring) provides data redundancy by mirroring data between the hard drives and provides enhanced read performance.

  • Page 60: Initializing Disks

    Initializing Disks New disks and legacy disks must be initialized before they can be used to create an AMD-RAID array. Initialization writes AMD-RAID configuration information (metadata) to a disk. ⚠ Important ∙ If a disk is part of an AMD-RAID array, the disk cannot be selected for initialization. To initial the disk anyway, delete the AMD-RAID array.

  • Page 61: Creating Arrays

    Creating Arrays Arrays can be created after the disks are initialized. ⚠ Important For redundant arrays, the Create process is not started until after the operating ∙ system and AMD-RAID OS drivers have been installed and the system has booted to the operating system.

  • Page 62: Deleting Arrays

    Deleting Arrays ⚠ Important Deleting an array permanently destroys all data that is on the array. This action ∙ cannot be undone and it is very unlikely that the data can be recovered. ∙ Do not delete the first array listed in the Arrays section, if it is the AMD-RAID bootable array.

  • Page 63: Installing Raid Driver

    2. When prompted, insert the USB flash drive with AMD RAID Drivers and then click Browse. ▪ To make an AMD RAID Drivers USB flash drive. Insert the MSI Driver Disc into the optical drive. Copy all the contents in \\Storage\AMD\ 3.

  • Page 64: Troubleshooting

    Troubleshooting Lost BIOS password Before sending the motherboard for RMA repair, try to go over troubleshooting ∙ Clear the CMOS, but that will cause guide first to see if your got similar you to lose all customized settings in the symptoms as mentioned below.
  • Page 65 MSI-NL Eindhoven 5706 5692 ER Son. for recycling and disposing of their end-of-life KC인증서 products. y Visit the MSI website and locate a nearby distributor 상호: (주)엠에스아이코리아 for further recycling information. 제품명: 메인보드 모델명: 30-7C56 y Users may also reach us at gpcontdev@msi.com for 제조년월: 2021년...
  • Page 66 Unión Europea al final de su periodo de vida. Usted their useful life. MSI will comply with the product take debe depositar estos productos en el punto limpio...
  • Page 67 MSI si adeguerà a tale Direttiva ritirando tutti i prodotti marchiati MSI che sono stati venduti all’interno dell’Unione Europea alla fine del loro ciclo di vita.
  • Page 68 Copyright © 2021 All rights reserved. contact your place of purchase or local distributor. The MSI logo used is a registered trademark of Alternatively, please try the following help resources Micro-Star Int’l Co., Ltd. All other marks and names for further guidance.

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