Thank you for purchasing the MSI® B450 GAMING PRO CARBON AC 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
DDR4 Memory
SATA DVD Drive
Thermal Paste
CPU Fan
Power Supply Unit
Chassis
SATA Hard Disk Drive
Graphics Card
Phillips Screwdriver
A Package of Screws
Quick Start
1
Installing a Processor
https://youtu.be/Xv89nhFk1vc
3
2
1
5
4
Quick Start
2
6
8
9
7
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.
y 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.
y Ensure that all components are securely connected. Loose connections may cause
the computer to not recognize a component or fail to start.
y Hold the motherboard by the edges to avoid touching sensitive components.
y It is recommended to wear an electrostatic discharge (ESD) wrist strap when
handling the motherboard to prevent electrostatic damage. If an ESD wrist strap is
not available, discharge yourself of static electricity by touching another metal object
before handling the motherboard.
y Store the motherboard in an electrostatic shielding container or on an anti-static pad
whenever the motherboard is not installed.
y Before turning on the computer, ensure that there are no loose screws or metal
components on the motherboard or anywhere within the computer case.
y Do not boot the computer before installation is completed. This could cause
permanent damage to the components as well as injury to the user.
y If you need help during any installation step, please consult a certified computer
technician.
y Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing any computer component.
y Keep this user guide for future reference.
y Keep this motherboard away from humidity.
y Make sure that your electrical outlet provides the same voltage as is indicated on the
PSU, before connecting the PSU to the electrical outlet.
y Place the power cord such a way that people can not step on it. Do not place anything
over the power cord.
y All cautions and warnings on the motherboard should be noted.
y If any of the following situations arises, get the motherboard checked by service
personnel:
Liquid has penetrated into the computer. The motherboard has been exposed to moisture. The motherboard does not work well or you can not get it work according to user
guide.
The motherboard has been dropped and damaged. The motherboard has obvious sign of breakage.
y Do not leave this motherboard in an environment above 60°C (140°F), it may damage
the motherboard.
Safety Information
15
Specifications
CPU
ChipsetAMD
Memory
Expansion Slots
Support AMD
Radeon™ Vega Graphics Processors for Socket AM4
* Please refer www.msi.com for more information on compatible memory.
* PCI_E2, PCI_E3, PCI_E4 and PCI_E5 slots will be unavailable when installing
M.2 PCIe SSD in M2_2 slot.
** PCI_E4 will run x1 speed when installing devices in any PCIe 2.0x1 slot.
Supports PCIe 3.0 x4 and SATA 6Gb/s 2242/ 2260 /2280/
22110 storage devices
y 2x SATA 6Gb/s ports*
* PCI_E2, PCI_E3, PCI_E4 and PCI_E5 slots will be unavailable when installing
M.2 PCIe SSD in M2_2 slot.
** SATA5 and SATA6 ports will be unavailable when installing a M.2 device in
M2_1 slot.
y Supports RAID 0, RAID 1 and RAID 10 for SATA storage
devices
y Supports RAID 0 and RAID 1 for M.2 NVMe RAID
®
AMD
B450 Chipset
1x USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-C port
on the back panel
1x USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-A port
on the back panel
2x USB 3.1 Gen1 (SuperSpeed USB) ports available
through the internal USB 3.1 Gen1 connector
6x USB 2.0 (High-speed USB) ports (2 Type-A ports on
the back panel, 4 ports available through the internal
USB 2.0 connectors)
®
AMD
CPU
2x USB 3.1 Gen1 (SuperSpeed USB) Type-A ports on the
back panel
LAN1x Intel
®
Intel
Supports Wi-Fi 802.11 a/b/g/n/ac, dual band (2.4GHz,
WiFi & Bluetooth
5GHz) up to 867 Mbps speed.
Supports Dual Mode Bluetooth 2.1, 2.1+EDR, 3.0, 4.0,
BLE,4.2
1 x M2_3 slot with E key (Wi-Fi mode)
®
I211ATGigabit LAN controller
Dual Band Wireless-AC 9260
Continued on next page
Specifications
17
Back Panel
Connectors
Internal Connectors
Continued from previous page
y 1x BIOS FLASHBACK+ buttony 1x PS/2 keyboard/ mouse combo porty 2x USB 2.0 Type-A portsy 1x DisplayPorty 1x HDMI
™
port
y 2x WiFi Antenna connectorsy 1x LAN (RJ45) porty 2x USB 3.1 Gen1 Type-A portsy 1x USB 3.1 Gen2 Type-A porty 1x USB 3.1 Gen2 Type-C porty 5x audio jacksy 1x Optical S/PDIF OUT connector
y 1x 24-pin ATX main power connectory 1x 8-pin ATX 12V power connectory 1x 4-pin ATX 12V power connectory 6x SATA 6Gb/s connectorsy 2x USB 2.0 connectors (support additional 4 USB 2.0 ports)y 1x USB 3.1 Gen1 connectors (support additional 2 USB 3.1
Gen1 ports)
y 1x 4-pin CPU fan connectory 1x 4-pin water-pump-fan connectory 4x 4-pin system fan connectorsy 1x TPM module connectory 1x Front panel audio connectory 2x System panel connectorsy 1x Chassis Intrusion connectory 1x Serial Port connectory 1x Clear CMOS jumpery 1x 2pin LED Power connector y 2x 5050 RGB LED strip 12V connectors (JRGB1~2)y 1x WS2812B Individually Addressable RGB LED strip 5V
connector (JRAINBOW1)
y 1x CORSAIR connector (JCORSAIR1)
Continued on next page
18
Specifications
Continued from previous page
I/O ControllerNUVOTON NCT6797 Controller Chip
y CPU/System temperature detection
Hardware Monitor
y CPU/System fan speed detectiony CPU/System fan speed control
Form Factor
BIOS Features
Software
y ATX Form Factory 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
y 1x 128 Mb flashy UEFI AMI BIOSy ACPI 6.1, SM BIOS 2.8y Multi-language
y Driversy APP MANAGERy SUPER CHARGERy COMMAND CENTERy LIVE UPDATE 6y SMART TOOLy RAMDISKy X-BOOSTy GAMING APPy MYSTIC LIGHTy GAMING LAN MANAGERy Nahimic Audioy Open Broadcaster Software (OBS)y CPU-Z MSI GAMING
™
y Norton
Internet Security Solution
y Google Chrome
™
, Google Toolbar, Google Drive
Continued on next page
Specifications
19
Special Features
Continued from previous page
y Audio
Audio Boost Nahimic 3 Voice Boost
y Storage
Twin Turbo M.2
y Cooling
Extended heastink Pump Fan GAMING Fan Control
y LED
Mystic Light Mystic Light Extension Mystic light SYNC EZ DEBUG LED
y Protection
M.2 Shield PCIe Steel Armor PCIe Steel Slot
y Performance
Multi GPU-CrossFire Technology DDR4 Boost CORE Boost GAME Boost USB with type A+C AMD Turbo USB 3.1 Gen 2
Lighting PRO RGB LED Strip7
HD RGB Fan6
SP RGB Fan6
LL RGB Fan5
Specifications
21
Package contents
Please check the contents of your motherboard package. It should contain:
y Motherboardy Driver DVDy User Manualy Quick Installation Guidey Case Stand-off Notificationy I/O Shieldingy Antenna X2y SATA 6G Cable X2 y RGB LED Extension cable 80cm x1y SATA Cable Labelsy Case Badgey VIP cardy M.2 Screw x1
Important
If any of the above items are damaged or missing, please contact your retailer.
Package contents
22
Block Diagram
HDMIDisplayPort
2 Channel DDR4 Memory
CPU
2x USB 3.1 Gen1
PCI Express Bus
NV6797
Super I/O
PS/2 Mouse / Keyboard
1 x M.2
2x SATA 6Gb/s
4x SATA 6Gb/s
SwitchSwitch
6 x USB 2.0
PCI Express Bus
CHIPSET
2 x USB 3.1 Gen1
Switch
Realtek
ALC1220
Audio Jacks
2 x USB 3.1 Gen2
PCIe x1
PCIe x1
PCIe x1
PCIe x4
1 x M.2
Block Diagram
23
Rear I/O Panel
BIOS
FLASHBACK+
Port
DisplayPort
PS/2
USB 2.0 Type-A
Wi-Fi Antenna
connectors
USB 3.1 Gen1
Audio Ports
LAN
USB 3.1
Gen2
Type-A
Optical S/PDIF-Out
Type-A
BIOS FLASHBACK+
USB 3.1 Gen2 Type-C
button
y BIOS FLASHBACK+ port/ button - Please refer to page 45 for Updating BIOS with
BIOS FLASHBACK+.
LAN Port LED Status Table
Link/ Activity LED
StatusDescription
OffNo link
YellowLinked
BlinkingData activity
Speed LED
StatusDescription
Off10 Mbps connection
Green100 Mbps connection
Orange1 Gbps connection
Audio Ports Configuration
Rear I/O Panel
24
Audio Ports
Center/ Subwoofer Out● ●
Rear Speaker Out● ● ●
Line-In/ Side Speaker Out●
Line-Out/ Front Speaker Out● ● ● ●
Mic In
Channel
2468
(●: connected, Blank: empty)
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
Jack Status
Profiles
y Device Selection - allows you to select a audio output source to change the related
options. The check sign indicates the devices as default.
y Application Enhancement - the array of options will provide you a complete guidance
of anticipated sound effect for both output and input device.
y Main Volume - controls the volume or balance the right/left side of the speakers that
you plugged in front or rear panel by adjust the bar.
y Profiles - toggles between profiles.y Jack Status - depicts all render and capture devices currently connected with your
computer.
Auto popup dialog
When you plug into a device at an audio jack, a dialogue window will pop up asking you
which device is current connected.
Each jack corresponds to its default setting as shown on the next page.
Important
The pictures above for reference only and may vary from the product you purchased.
Rear I/O Panel
25
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
RearFront
Side Center/
Subwoofer
Rear I/O Panel
26
Installing antennas
1. Screw the antennas tight to the antenna connectors as shown below.
2. Orient the antennas.
1
2
Rear I/O Panel
27
Overview of Components
Processor
Socket
CPU_PWR2
CPU_PWR1
JRGB2
CPU_FAN1
DIMMA1
DIMMA2
DIMMB1
DIMMB2
JCORSAIR1
PUMP_FAN1
SYS_FAN4
ATX_PWR1
SYS_FAN1
PCI_E1
PCI_E2
PCI_E3
PCI_E4
PCI_E5
JAUD1
JRGB1
SYS_FAN2
JCOM1
JCI1
JTPM1
BAT1
JUSB1
JPWRLED1
JUSB2
JUSB3
JRAINBOW1
SYS_FAN3
M2_1
M2_2
SATA▼5▲6
SATA▼3▲4
SATA▼1▲2
JBAT1
JFP2
JFP1
Overview of Components
28
Component Contents
Port NamePort TypePage
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4 Fan Connectors37
CPU_PWR1~2, ATX_PWR1Power Connectors35
DIMMA1, DIMMA2, DIMMB1, DIMMB2DIMM Slots31
JAUD1Front Audio Connector37
JBAT1Clear CMOS Jumper39
JCI1Chassis Intrusion Connector38
JCOM1Serial Port Connector38
JCORSAIR1CORSAIR Connector41
JFP1, JFP2Front Panel Connectors34
JRGB1~2, JRAINBOW1RGB LED connectors40
JTPM1TPM Module Connector39
JUSB1~2USB 2.0 Connectors36
JUSB3USB 3.1 Gen1 Connector36
M2_1~2M.2 Slots (Key M)33
PCI_E1~5PCIe Expansion Slots32
Processor SocketAM4 socket30
SATA1~6SATA 6Gb/s Connectors34
Overview of Components
29
Processor Socket
Distance from the center of the
CPU to the nearest DIMM slot.
53.893
mm
Introduction to the AM4 CPU
The surface of the AM4 CPU has a
yellow triangle to assist in correctly
lining up the CPU for motherboard
placement. The yellow triangle is
the Pin 1 indicator.
Important
y
When changing the processor, the system configuration could be cleared and reset
BIOS to default values, due to the AM4 processor’s architecture.
y
Always unplug the power cord from the power outlet before installing or removing
the CPU.
y
When installing a CPU, always remember to install a CPU heatsink. A CPU heatsink
is necessary to prevent overheating and maintain system stability.
y
Confirm that the CPU heatsink has formed a tight seal with the CPU before booting
your system.
y
Overheating can seriously damage the CPU and motherboard. Always make sure
the cooling fans work properly to protect the CPU from overheating. Be sure to apply
an even layer of thermal paste (or thermal tape) between the CPU and the heatsink to
enhance heat dissipation.
y
If you purchased a separate CPU and heatsink/ cooler, Please refer to the
documentation in the heatsink/ cooler package for more details about installation.
y
This motherboard is designed to support overclocking. Before attempting to
overclock, please make sure that all other system components can tolerate
overclocking. Any attempt to operate beyond product specifications is not
recommended. MSI
operation beyond product specifications.
®
does not guarantee the damages or risks caused by inadequate
Overview of Components
30
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