I
Quick Start
Quick Start
Thank you for purchasing the MSI
®
B250 KRAIT GAMING
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.

󲫞MSI
®
B250 KRAIT GAMING󷽡󰵴
󷯈󽴸PC󶅉󵰨
󳜰󴎁󱰴󳎔󸋺󶅉󵰨󳅜
󹌬󰺱 󲕌 󴜵󳏀 󰿙
󵱮󳦤󳦥󳥆󷪹󸋺URL󷧯
QR URL󱋔󱛬󴮒󹌦

󼔄 󻝳󼖏󼞇
MSI
®
B250 KRAIT GAMING 󺼣󻱇󻇃󺦫󺹋 󻗯󼖬󼩃󻷋󻘣󻗫 󺃟󻕻󼨸󺞗󺞳. 󻱃
󻉏󻉓󻪟󻗫󺝣 󼏃󼦷󼗿󺹋 󻗳󼌧󼨧󺝣 󻃸󻅤󻪟 󺟏󼨫 󺠿󺽷 󺞳󻱃󻪃󺋇󺱷󺇋 󻱋󻉏 󺠿󺽷
󺢨󻫐󻖐󻰓 󻳫󺇄󼨧󺆯 󻱗󻞄󺞗󺞳. 󼰃󺟏󻳓󼬣 󺫟󺝣 󼖫󻋣󺺎󻰧 󻯈 󻋛󺱋󻭿󻳏󺹋
󼚄󼨧󻪻 URL󻪟 󺺐󼔻󼨫 󼮓 󻗳󼌧 󺢨󻫐󻖐󻰓 󺃟󻖐󼨧󻞫󺋿 󻃣󺱜󺞗󺞳. 󺫟󺝣 QR
󼐣󺦫󺹋 󻝳󼍣󼨧󻪻 URL󻪟 󺺐󼔻󼨯 󻛧󺢓 󻱗󻞄󺞗󺞳.
󲴱󸔡󳉹󲮹
󲼯󷳓󲹢󷿒󷽡 MSI
®
B250 KRAIT GAMING 󰶻󳼦󳨣󽴸󳦦󲴱󸔡󳉹󲮹󵱏󵸐󳏀󰿙
󲹢󲔟󷡥󹄷󶤢󵒹󵤛󵸖󱱭󷩒󽴺󰹡󳏀󰿙󸛉󱐖󶅊󰻞󵒹󲔟󷡥󵤛󵸖󲱨󴵛󼶋󷰟󲹢󰻄󳡱
󲾶󱴘󳅜󳼦󳃵󲪃󳨣󵒹󴣴󷨓󱬽󸔯󰵴 URL 󶈫󱲨󸕏󷝥󷨛󵖐󲹡󰷳󱜴󰻅󳍀󳎿 QR
code 󵒹󳜱󲮮󲴰󸔠󸔮󳍺󶩜󶈪󱲨󽴸
󲴰󸔠󱌇󸽷
󲼮󷹨󲹡󸀞󰸉 MSI
®
B250 KRAIT GAMING 󰶻󳨤󳦦󲴰󸔠󱌇󸽷󸛉󱐕󳏀󰿙󰸬
󳥤󱌣󲁶󰽧󲔞󷠴󷷧󵶿󳦽󴜶󵤚󱱄󳪥󰹉󷸄󳜷󸑯󳏀󰿙󰸬󷨡󹏹󴜶󵤚󷸽󰾫󵈾󲹡󵒹
󳅜󳦽󳃵󲪃󳨤󵉐󶡱󰵴󵒹󶓹󹏝󴐺󷨣󱬽󸹇󳍺󶩜󶓹󱲨󷨝󵖐󲹡󰷳󱜴󰻅󸔒󸑃󳆋󳎾
QR󵜧󸹇󳍺󱑍URL
II
Quick Start
1
2
3
6
4
5
7
8
9
https://youtu.be/4ce91YC3Oww
Installing a Processor/ CPU󱜋󰺱/ 󼧓󺴫󻘇󻗫 󻗳󼌧󼨧󺋿/ 󲔟
󷡥󷐗󵀛󱬽/ 󲔞󷠴󱾆󵀛󱬽
Youtube
󰼐󸟐
http://v.youku.com/v_show/
id_XMTgxMzM2MjEzNg==.html
III
Quick Start
1
1
2
2
3
3
Installing DDR4 memory/ DDR4󱜋󰺱/
DDR4 󺼣󺽷󺹻 󻗳󼌧󼨧󺋿/ 󲔟󷡥 DDR4 󷪺󳁋󹠔/ 󲔞󷠴 DDR4 󱌼󲒹
http://youtu.be/T03aDrJPyQs
Youtube
󰼐󸟐
http://v.youku.com/v_show/id_XNzUyMTI5ODI4.html
DIMMB2 DIMMB2
DIMMB1
DIMMA2 DIMMA2 DIMMA2
DIMMA1
IV
Quick 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
Youtube
󰼐󸟐
http://v.youku.com/v_show/id_XNjcyMTczMzM2.html
V
Quick Start
Installing the Motherboard/ 󱜋󰺱/
󺼣󻱇󻇃󺦫 󻗳󼌧󼨧󺋿/ 󲔟󷡥󰶻󳼦󳨣/ 󲔞󷠴󰶻󳨤
1
2
VI
Quick Start
1
2
3
4
5
Installing SATA Drives/ SATA󱜋󰺱/
SATA 󺦫󺱋󻱃󻋛 󻗳󼌧󼨧󺋿/ 󲔟󷡥 SATA 󵡃󵠉󳼦/ 󲔞󷠴 SATA 󷸄󱾋
http://youtu.be/RZsMpqxythc
http://v.youku.com/v_show/
id_XNDkzODU5MTky.html
Youtube
󰼐󸟐
VII
Quick Start
1
2
3
4
5
6
Installing a Graphics Card/ 󱜋󰺱/
󺋇󺱧󼨌 󼍃󺦫 󻗳󼌧󼨧󺋿 / 󲔟󷡥󹏐󵤛󱙔/ 󲔞󷠴󳠒󱙔
http://youtu.be/mG0GZpr9w_A
http://v.youku.com/v_show/
id_XNDkyOTc3MzQ4.html
Youtube
󰼐󸟐
VIII
Quick Start
Connecting Peripheral Devices/ 󱟰󸐠󳼤󱬼󳍹󶇳/
󻷋󻆏 󻱴󼌧 󻪿󺅿󼨧󺋿/ 󸔯󳍻󱟱󸘺󷫥󱆕/ 󸑷󳍺󱾫󱰶󷸄󱾋
IX
Quick Start
ATX_PWR1
CPU_PWR1
Connecting the Power Connectors/ 󹄶󴙂󳍹󶇳/ 󻳓󻮟
󼎳󺗴󼗿 󻪿󺅿󼨧󺋿/ 󳏅󰵴󹄷󴙃󳍻󹍨/ 󸑷󳍺󵉐󴙃󳍺󱿣
http://youtu.be/gkDYyR_83I4 http://v.youku.com/v_show/id_XNDkzODU0MDQw.html
Youtube
󰼐󸟐
X
Quick Start
1
4
2
3
Power On/ 󸔑󹄶/ 󻳓󻮟 󼏫󺋿/ 󱥭󱕜󹄷󴙃/ 󲮔󳦽
1
Contents
Contents
Safety Information ................................................................................................. 2
Specifications ......................................................................................................... 3
Rear I/O Panel ....................................................................................................... 8
LAN Port LED Status Table..................................................................................... 8
Audio Ports Configuration ...................................................................................... 8
Realtek HD Audio Manager .................................................................................... 9
Overview of Components .................................................................................... 11
CPU Socket ........................................................................................................... 12
DIMM Slots ............................................................................................................ 13
PCI_E1~6: PCIe Expansion Slots .......................................................................... 14
M2_1~2: M.2 Slots (Key M) ................................................................................... 15
SATA1~6: SATA 6Gb/s Connectors ....................................................................... 16
JFP1, JFP2: Front Panel Connectors ................................................................... 17
CPU_PWR1, ATX_PWR1: Power Connectors ....................................................... 18
JUSB1~2: USB 2.0 Connectors ............................................................................. 19
JUSB3~4: USB 3.1 Gen1 Connectors ................................................................... 19
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors ................................... 20
JAUD1: Front Audio Connector ............................................................................ 21
JCI1: Chassis Intrusion Connector ....................................................................... 21
JTPM1: TPM Module Connector ........................................................................... 22
JBAT1: Clear CMOS (Reset BIOS) Jumper ........................................................... 22
JLED1: RGB LED connector ................................................................................. 23
JCOM1: Serial Port Connector ............................................................................. 23
JLPT1: Parallel Port Connector ........................................................................... 24
EZ Debug LED ....................................................................................................... 24
BIOS Setup ........................................................................................................... 25
Entering BIOS Setup ............................................................................................. 25
Resetting BIOS ...................................................................................................... 26
Updating BIOS ....................................................................................................... 26
EZ Mode ..........................................................................................................27
Advanced Mode .................................................................................................... 29
OC Menu................................................................................................................ 30
Software Description ........................................................................................... 37
Installing Windows
®
7/ 8.1/ 10.............................................................................. 37
Installing Drivers .................................................................................................. 37
Installing Utilities ................................................................................................. 37
2
Safety Information
Safety Information
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 60C (140F), it may damage
the motherboard.
3
Specifications
Specifications
CPU
Supports 7th/6th Gen Intel
®
Core
i3/i5/i7 processors,
and Intel
®
Pentium
®
and Celeron
®
processors for Socket
LGA1151
Chipset Intel
®
B250 Chipset
Memory
y
4x DDR4 memory slots, support up to 64GB
7th Gen processors support DDR4 2400/ 2133 MHz*
6th Gen processors support DDR4 2133 MHz*
y
Dual channel memory architecture
y
Supports Intel
®
Extreme Memory Profile (XMP)
* Please refer www.msi.com for more information on compatible memory.
** DDR4 memory modules can only run at maximum of 2400 MHz for 7th Gen
processors and 2133 MHz for 6th Gen processors on XMP mode.
Expansion Slots
y 3x PCIe 3.0 x16 slots (support x16/x4/x1 modes)*
y 3x PCIe 3.0 x1 slots**
* The PCI_E4 slot will be unavailable when an M.2 PCIe SSD module has been
installed in the M2_2 slot.
** The PCI_E2/ PCI_E5 slot will be unavailable when an expansion card has
been installed in the PCI_E3/ PCI_E6 slot.
Onboard Graphics
y 1x HDMI™ port, supports a maximum resolution of
4096x2160@30Hz(7th Gen CPU), 4096x2160@24Hz(6th Gen
CPU), 2560x1600@60Hz
y 1x DVI-D port, supports a maximum resolution of
1920x1200@60Hz
Multi-GPU y Supports 2-Way AMD
®
CrossFire
Technology
Continued on next page
4
Specifications
Continued from previous page
Storage
Intel
®
B250 Chipset
y 6x SATA 6Gb/s ports*
y 2x M.2 slots (Key M)
Support up to PCIe 3.0 x4 and SATA 6Gb/s
Support PCIe 3.0 x4 NVMe U.2 SSD with Turbo U.2 Host
Card**
M2_1 slot supports 2242/ 2260 /2280/ 22110 storage
devices
M2_2 slot supports 2242/ 2260 /2280 storage devices
Intel
®
Optane™ Memory Ready for M2_2 slot***
y Supports Intel
®
Smart Response Technology for Intel
Core
processors
* M.2 and SATA ports maximum support 2x M.2 PCIe SSDs + 6x SATA HDDs.
Please refer to page 17 for M.2 slots with examples of various combination
possibilities.
** The Turbo U.2 Host Card is not included, please purchase separately.
*** Intel
®
Optane™ Technology is only supported when using 7th Gen
processors. Before using Intel
®
Optane™ memory modules, please ensure
that you have updated the drivers and BIOS to the latest version from MSI
website.
USB
y ASMedia
®
ASM2142 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
y Intel
®
B250 Chipset
6x USB 3.1 Gen1 (SuperSpeed USB) ports (2 Type-A
ports on the back panel, 4 ports available through the
internal USB connectors)
6x USB 2.0 (High-speed USB) ports (2 Type-A ports on
the back panel, 4 ports available through the internal
USB connectors)
Audio
y Realtek
®
ALC892 Codec
y 7.1-Channel High Definition Audio
y Supports S/PDIF output
LAN 1x Intel I219-V Gigabit LAN controller
Continued on next page
5
Specifications
Continued from previous page
Back Panel
Connectors
y 1x PS/2 keyboard/ mouse combo port
y 2x USB 2.0 Type-A ports
y 1x DVI-D port
y 1x USB 3.1 Gen2 Type-A port
y 1x USB 3.1 Gen2 Type-C port
y 2x USB 3.1 Gen1 Type-A ports
y 1x HDMI
port
y 1x LAN (RJ45) port
y 5x OFC audio jacks
y 1x Optical S/PDIF OUT connector
Internal Connectors
y 1x 24-pin ATX main power connector
y 1x 8-pin ATX 12V power connector
y 6x SATA 6Gb/s connectors
y 2x USB 3.1 Gen1 connectors (supports additional 4 USB
3.1 Gen1 ports)
y 2x USB 2.0 connectors (supports additional 4 USB 2.0
ports)
y 1x 4-pin CPU fan connector
y 1x 4-pin water pump fan connector
y 4x 4-pin system fan connectors
y 1x Front panel audio connector
y 2x Front panel connectors
y 1x RGB LED connector
y 1x TPM module connector
y 1x Chassis Intrusion connector
y 1x Serial port connector
y 1x Parallel port connector
y 1x Clear CMOS jumper
I/O Controller NUVOTON NCT6795 Controller Chip
Hardware Monitor
y CPU/System temperature detection
y CPU/System fan speed detection
y CPU/System fan speed control
Form Factor
y ATX Form Factor
y 12 in. x 9.6 in. (30.4 cm x 24.3 cm)
Continued on next page
6
Specifications
Continued from previous page
BIOS Features
y 1x 128 Mb flash
y UEFI AMI BIOS
y ACPI 5.0, PnP 1.0a, SM BIOS 2.8
y Multi-language
Software
y Drivers
y COMMAND CENTER
y LIVE UPDATE 6
y FAST BOOT
y SUPER CHARGER
y GAMING APP
y RAMDISK
y X-BOOST
y MSI SMART TOOL
Software
y GAMING LAN MANAGER
y XSplit Gamecaster V2
y Intel
®
Extreme Tuning Utility
y Norton
Internet Security Solution
y Google Chrome
,Google Toolbar, Google Drive
y SteelSeries Engine 3
y CPU-Z MSI GAMING
y DRAGON EYE
Continued on next page
7
Specifications
Continued from previous page
Special Features
y Audio Boost
y GAMING LAN with cFos
y Intel
®
Optane™ Memory Ready
y Twin Turbo M.2
y Smart Fan Control
y Mystic Light Extension (RGB)
y PCI-E Steel Armor with Hydro dip paint
y Multi GPU – CrossFire Technology
y DDR4 Boost
y Lightning USB
y X-Boost
y 7000+ Quality Test
y VR Ready
y Dragon eye
y Xsplit
y RAMDisk
y GAMING HOTKEY
y Click BIOS 5
y Mystic light SYNC
y WTFast GPN*
2-Month Premium License
Multi-Server Network Optimization
Advanced Lag Spike & Disconnect Reduction
* This offer is valid for a limited period only, for more information please visit
www.msi.com
8
Rear I/O Panel
Rear I/O Panel
PS/2
LAN
USB 2.0
Audio Ports
Optical S/PDIF-Out
DVI-D
USB 3.1 Gen2
USB 3.1 Gen1USB 3.1 Gen2
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
Audio Ports
Channel
2 4 6 8
Center/ Subwoofer Out
Rear Speaker Out
Line-In/ Side Speaker Out
Line-Out/ Front Speaker Out
Mic In
(: connected, Blank: empty)
9
Rear I/O Panel
Realtek HD Audio Manager
After installing the Realtek HD Audio driver, the Realtek HD Audio Manager icon will
appear in the system tray. Double click on the icon to launch.
Jack Status
Device
Selection
Connector
Strings
Profiles
Main Volume
Application
Enhancement
Advanced
Settings
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 Advanced Settings - provides the mechanism to deal with 2 independent audio
streams.
y Jack Status - depicts all render and capture devices currently connected with your
computer.
y Connector Settings - configures the connection settings.
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.
10
Rear I/O Panel
AUDIO INPUT
Rear Front
Side Center/
Subwoofer
Audio jacks to headphone and microphone diagram
Audio jacks to stereo speakers diagram
Audio jacks to 7.1-channel speakers diagram
AUDIO INPUT
/