MSI B350 TOMAHAWK User manual

1
Unpacking
Unpacking
Thank you for buying the MSI®B350 TOMAHAWK motherboard. Check to make sure
your motherboard box contains the following items. If something is missing, contact
your dealer as soon as possible.
SATA Cable x2
Drivers & Utilities
Disc Motherboard User
Guide
I/O Shield
Motherboard

2Safety Information
Safety Information
yThe components included in this package are prone to damage from electrostatic
discharge (ESD). Please adhere to the following instructions to ensure successful
computer assembly.
yEnsure that all components are securely connected. Loose connections may cause
the computer to not recognize a component or fail to start.
yHold the motherboard by the edges to avoid touching sensitive components.
yIt 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.
yStore the motherboard in an electrostatic shielding container or on an anti-static
pad whenever the motherboard is not installed.
yBefore turning on the computer, ensure that there are no loose screws or metal
components on the motherboard or anywhere within the computer case.
yDo not boot the computer before installation is completed. This could cause
permanent damage to the components as well as injury to the user.
yIf you need help during any installation step, please consult a certified computer
technician.
yAlways turn off the power supply and unplug the power cord from the power outlet
before installing or removing any computer component.
yKeep this user guide for future reference.
yKeep this motherboard away from humidity.
yMake sure that your electrical outlet provides the same voltage as is indicated on
the PSU, before connecting the PSU to the electrical outlet.
yPlace the power cord such a way that people can not step on it. Do not place
anything over the power cord.
yAll cautions and warnings on the motherboard should be noted.
yIf 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.
yDo not leave this motherboard in an environment above 60°C (140°F), it may damage
the motherboard.

3
Quick Start
DDR4 Memory
Graphics Card
SATA Hard Disk Drive
SATA DVD Drive
A Package of Screws
Phillips Screwdriver
Chassis
Power Supply Unit
CPU Fan
Thermal Paste
Quick Start
Preparing Tools and Components
AMD®AM4 CPU

4Quick Start
Installing a Processor
1
2
3
6
4
5
7
8
9
https://youtu.be/Xv89nhFk1vc

5
Quick Start
Installing DDR4 memory
http://youtu.be/T03aDrJPyQs
DIMMB2 DIMMB2
DIMMB1
DIMMA2 DIMMA2 DIMMA2
DIMMA1
1
1
2
2
3
3

6Quick Start
Connecting the Front Panel Header
http://youtu.be/DPELIdVNZUI
1
2 10
9
JFP1
1 HDD LED + 2 Power LED +
3 HDD LED - 4 Power LED -
5 Reset Switch 6 Power Switch
7 Reset Switch 8 Power Switch
9 Reserved 10 No Pin
RESET SW
POWER SW
POWER LED+
POWER LED-
HDD LED
HDD LED
RESET SW
JFP1
HDD LED HDD LED -
HDD LED +
POWER LED -
POWER LED +
POWER LED

7
Quick Start
BAT1
Installing the Motherboard
1
2

8Quick Start
Installing SATA Drives
http://youtu.be/RZsMpqxythc
1
23
4
5

9
Quick Start
1
Installing a Graphics Card
http://youtu.be/mG0GZpr9w_A
2
3
4
5
6

10 Quick Start
Connecting Peripheral Devices
(7th Gen A-series/ Athlon™ processor)

11
Quick Start
Connecting the Power Connectors
http://youtu.be/gkDYyR_83I4
ATX_PWR1 CPU_PWR1

12 Quick Start
Power On
1
4
2
3

13
Contents
Contents
Unpacking .............................................................................................................. 1
Safety Information................................................................................................. 2
Quick Start ............................................................................................................. 3
Preparing Tools and Components.......................................................................... 3
Installing a Processor............................................................................................. 4
Installing DDR4 memory ........................................................................................ 5
Connecting the Front Panel Header....................................................................... 6
Installing the Motherboard..................................................................................... 7
Installing SATA Drives............................................................................................. 8
Installing a Graphics Card...................................................................................... 9
Connecting Peripheral Devices ............................................................................ 10
Connecting the Power Connectors....................................................................... 11
Power On............................................................................................................... 12
Specifications....................................................................................................... 15
Block Diagram .................................................................................................... 19
Rear I/O Panel ..................................................................................................... 20
LAN Port LED Status Table................................................................................... 20
Audio Ports Configuration.................................................................................... 20
Realtek HD Audio Manager .................................................................................. 21
Overview of Components .................................................................................... 23
CPU Socket ........................................................................................................... 25
DIMM Slots............................................................................................................ 26
PCI_E1~4, PCI1~2: PCIe & PCI Expansion Slots.................................................. 27
M2_1: M.2 Slot (Key M)......................................................................................... 28
SATA1~4: SATA 6Gb/s Connectors ....................................................................... 29
JAUD1: Front Audio Connector ............................................................................ 29
CPU_PWR1, ATX_PWR1: Power Connectors ....................................................... 30
JUSB1~2: USB 2.0 Connectors............................................................................. 31
JUSB3~4: USB 3.1 Gen1 Connectors ................................................................... 31
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors................................... 32
JCI1: Chassis Intrusion Connector....................................................................... 33
JLPT1: Parallel Port Connector ........................................................................... 33
JFP1, JFP2: Front Panel Connectors................................................................... 34
JTPM1: TPM Module Connector........................................................................... 34

14 Contents
JCOM1: Serial Port Connector ............................................................................. 34
JLED1: RGB LED strip connector......................................................................... 35
JBAT1: Clear CMOS (Reset BIOS) Jumper........................................................... 36
EZ Debug LEDs..................................................................................................... 36
GPU LED ............................................................................................................... 36
BIOS Setup ........................................................................................................... 37
Entering BIOS Setup............................................................................................. 37
Resetting BIOS...................................................................................................... 38
Updating BIOS....................................................................................................... 38
EZ Mode ................................................................................................................ 39
Advanced Mode .................................................................................................... 41
SETTINGS.............................................................................................................. 42
Advanced............................................................................................................... 42
Security................................................................................................................. 48
Save & Exit............................................................................................................ 49
OC.......................................................................................................................... 50
M-FLASH .............................................................................................................. 52
OC PROFILE.......................................................................................................... 53
HARDWARE MONITOR.......................................................................................... 54
Software Description........................................................................................... 55
Installing Windows®7 64-bit/ Windows®10 64-bit............................................... 55
Installing Drivers .................................................................................................. 55
Installing Utilities ................................................................................................. 55
LIVE UPDATE 6...................................................................................................... 56
COMMAND CENTER ............................................................................................. 58
GAMING APP......................................................................................................... 62
RAMDISK............................................................................................................... 67
X-BOOST ............................................................................................................... 68
MSI SMART TOOL ................................................................................................. 70
GAMING LAN MANAGER ...................................................................................... 72
Nahimic 2.............................................................................................................. 75
XSplit Gamecaster V2 ........................................................................................... 79
SteelSeries Engine 3 ............................................................................................ 83
CPU-Z.................................................................................................................... 85
Troubleshooting .................................................................................................. 86
Regulatory Notices.............................................................................................. 87

15
Specifications
Specifications
CPU Supports AMD®RYZEN series processors and 7th Gen
A-series/ Athlon™ processors for Socket AM4
Chipset AMD® B350 Chipset
Memory
y4x DDR4 memory slots, support up to 64GB
Support DDR4 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/
3200(OC)+ Mhz*
yDual channel memory architecture
* 7th Gen A-series/ Athlon processors support a maximum of DDR4 2400 Mhz.
Please refer www.msi.com for more information on compatible memory.
Expansion Slots
y1x PCIe 3.0 x16 slot (PCI_E2)
Supports x 16 speed with RYZEN Series Processors
Supports x 8 speed with 7th Gen A-series/ Athlon™
processors
y1x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)*
y2x PCIe 2.0 x1 slots
y2x PCI slots
* PCI_E4 slot will support PCIe 2.0 x2 only, when installing device in any PCIe
x1 slot.
Multi-GPU ySupports 2-Way AMD®CrossFire™ Technology
Onboard Graphics
y1x VGA port, supports a maximum resolution of
2048x1280@60HZ (RB)*
y1x DVI-D port, supports a maximum resolution of
1920x1200@60Hz*
y1x HDMI™ port, supports a maximum resolution of
4096x2160@24Hz*
* Only support when using a 7th Gen A-series/ Athlon™ processor
Storage
AMD®B350 Chipset
y4x SATA 6Gb/s ports*
Support RAID 0, RAID 1 and RAID 10
y1x M.2 port (Key M)
Supports PCIe 3.0 x4 (RYZEN Series Processors) or PCIe
3.0 x2 (7th Gen A-series/ Athlon™ processors ) and SATA
6Gb/s
Supports 2242/ 2260 /2280/ 22110 storage devices
Audio yRealtek®ALC892 Codec
y7.1-Channel High Definition Audio
LAN y1x Realtek®8111H Gigabit LAN controller
Continued on next page

16 Specifications
Continued from previous page
USB
yAMD®B350 Chipset
4x USB 3.1 Gen1 (SuperSpeed USB) ports available
through the internal USB 3.1 Gen1 connectors
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)
yAMD®processor
4x USB 3.1 Gen1 (SuperSpeed USB) ports (3 Type-A
ports and 1 Type-C port on the back panel)
Back Panel
Connectors
y1x PS/2 keyboard/ mouse combo port
y2x USB 2.0 Type-A ports
y1x VGA port
y1x DVI-D port
y1x HDMI™port
y3x USB 3.1 Gen1 Type-A ports
y1x USB 3.1 Gen1 Type-C port
y1x LAN (RJ45) port
y6x OFC audio jacks
Internal Connectors
y1x 24-pin ATX main power connector
y1x 8-pin ATX 12V power connector
y4x SATA 6Gb/s connectors
y2x USB 2.0 connectors (support additional 4 USB 2.0 ports)
y2x USB 3.1 Gen1 connectors (support additional 4 USB 3.1
Gen1 ports)
y1x 4-pin CPU fan connector
y1x 4-pin water-pump-fan connector
y4x 4-pin system fan connectors
y1x 4-pin RGB LED strip connector
y1x Serial port connector
y1x Parallel port connector
y1x TPM module connector
y1x Front panel audio connector
y2x System panel connectors
y1x Chassis Intrusion connector
y1x Clear CMOS jumper
I/O Controller NUVOTON NCT6795D Controller Chip
Continued on next page

17
Specifications
Continued from previous page
Hardware Monitor
yCPU/System temperature detection
yCPU/System fan speed detection
yCPU/System fan speed control
Form Factor yATX Form Factor
y12 in. x 9.6 in. (30.4 cm x 24.3 cm)
BIOS Features
y1x 128 Mb flash
yUEFI AMI BIOS
yMulti-language
Software
yDrivers
ySUPER CHARGER
yCOMMAND CENTER
yLIVE UPDATE 6
yMSI SMART TOOL
yDRAGON EYE
yGAMING APP
yX-BOOST
yRAMDISK
yGAMING LAN MANAGER
yNahimic Audio
yXSplit Gamecaster V2
ySteelSeries Engine 3
yCPU-Z MSI GAMING
yGoogle Chrome™,Google Toolbar, Google Drive
yNorton™Internet Security Solution
Continued on next page

18 Specifications
Continued from previous page
Special Features
yAudio Boost
yNahimic 2
yGAMING LAN with Gaming LAN Manager
yTurbo M.2
yPump Fan
ySmart Fan Control
yMystic Light Extension
yGaming DNA with bottom LED
yMystic light SYNC
yEZ DEBUG LED
yPCI-E Steel Armor
yDDR4 Boost
yGAME Boost
yLightning USB
yMilitary Class 4
y7000+ Quality Test
yVR Ready
yGAMING HOTKEY
yGAMING MOUSE Control
yClick BIOS 5
yAMD FreeSync™ Ready
yAMD OverDriver™ Ready
yGAMING Certified
ySteelSeries Certified
yWTFast*
* This offer is valid for a limited period only, for more information please visit
www.msi.com

19
Block Diagram
Block Diagram
2 Channel DDR4 Memory
4 x USB 3.1 Gen1
1 x M.2
6 x USB 2.0
P/S2 Mouse / Keyboard
Audio Jacks
PCIe X4
Chipset
CPU
NV6795
Super I/O
Realtek
ALC892
PCI Express Bus
VGA HDMI
DVI-D
4 x USB 3.1 Gen1
PCIe x1 slot
PCIe x1 slot
PCI slot
PCI slot
4 x SATA 6Gb/s
PCIe x16 slot
Switch
(support x4 mode)

20 Rear I/O Panel
USB 3.1 Gen1
Type-C
Link/ Activity LED
Status Description
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Status Description
Off 10 Mbps connection
Green 100 Mbps connection
Orange 1 Gbps connection
LAN Port LED Status Table
Audio Ports Configuration
Rear I/O Panel
PS/2 LAN
USB 2.0
Audio Ports
DVI-D
VGA
USB 3.1 Gen1
USB 3.1 Gen1
Audio Ports Channel
2468
Line-In
Line-Out/ Front Speaker Out ●●●●
Rear Speaker Out ●●●
Center/ Subwoofer Out ● ●
Side Speaker Out ●
Mic In
(●: connected, Blank: empty)