MSI MAG B660 TOMAHAWK WIFI DDR4 User manual

I
Quick Start
Quick Start
Thank you for purchasing the MSI® MAG B660 TOMAHAWK WIFI
DDR4 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.
Kurzanleitung
Danke, dass Sie das MSI® MAG B660 TOMAHAWK WIFI DDR4
Motherboard gewählt haben. Dieser Abschnitt der Kurzanleitung
bietet eine Demo zur Installation Ihres Computers. Manche
Installationen bieten auch die Videodemonstrationen. Klicken Sie
auf die URL, um diese Videoanleitung mit Ihrem Browser auf Ihrem
Handy oder Table anzusehen. Oder scannen Sie auch den QR Code
mit Ihrem Handy, um die URL zu öffnen.
Présentation rapide
Merci d’avoir choisi la carte mère MSI® MAG B660 TOMAHAWK
WIFI DDR4. Ce manuel fournit une rapide présentation avec des
illustrations explicatives qui vous aideront à assembler votre
ordinateur. Des tutoriels vidéo sont disponibles pour certaines
étapes. Cliquez sur le lien fourni pour regarder la vidéo sur votre
téléphone ou votre tablette. Vous pouvez également accéder au lien
en scannant le QR code qui lui est associé.
Быстрый старт
MAG
B660 TOMAHAWK WIFI DDR4






II Quick Start
1
2
3
6
4
5
7
8
9
Youtube
⚽
https://youtu.be/KMf9oIDsGes
Installing a Processor/ Installation des Prozessors/ Installer un
processeur/ Установка процессора

III
Quick Start
https://youtu.be/XiNmkDNZcZk
⚽
Youtube
Installing DDR4 memory/ Installation des DDR4-Speichers/
Installer une mémoire DDR4/ Установка памяти DDR4
DIMMA2 DIMMA2
DIMMB2
DIMMA1
DIMMA2
DIMMB1
DIMMB2

IV Quick Start
HDD LED
RESET SW
JFP1
HDD LED HDD LED -
HDD LED +
POWER LED -
POWER LED +
POWER LED
1
2 10
9
+
+
+- -- -
+
Power LED
HDD LED Reset Switch
Reserved
Power Switch
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
http://youtu.be/DPELIdVNZUI
Youtube
⚽
Connecting the Front Panel Header/ Anschließen der
Frontpanel-Stiftleiste/ Connecter un connecteur du panneau
avant/ Подключение разъемов передней панели

V
Quick Start
https://youtu.be/wWI6Qt51Wnc
⚽
Youtube
Installing the Motherboard/ Installation des Motherboards/
Installer la carte mère/ Установка материнской платы
BAT1
1
2
Torque:
3 kgf·cm*
*3 kgf·cm
= 0.3 N·m
= 2.6 lbf·in

VI Quick Start
http://youtu.be/gkDYyR_83I4
Youtube
⚽
ATX_PWR1
CPU_PWR1
CPU_PWR2
Connecting the Power Connectors/ Stromanschlüsse
anschliessen/ Connecter les câbles du module d’alimentation/
Подключение разъемов питания

VII
Quick Start
http://youtu.be/RZsMpqxythc
Youtube
⚽
1
23
4
5
Installing SATA Drives/ Installation der SATA-Laufwerke/
Installer le disque dur SATA/ Установка дисков SATA

VIII Quick Start
http://youtu.be/mG0GZpr9w_A
Youtube
⚽
1
2
3
4
5
6
Installing a Graphics Card/ Einbau der Grafikkarte/ Installer
une carte graphique/ Установка дискретной видеокарты

IX
Quick Start
Connecting Peripheral Devices/ Peripheriegeräte/ Connecter
un périphérique anschliessen/ Подключение периферийных
устройств

XQuick Start
4
3
12
Power On/ Einschalten/ Mettre sous-tension/ Включение питания

1
Contents
Contents
Safety Information................................................................................................. 3
 ..................................................................................... 4
Avoid collision notification...................................................................................... 4
Specifications......................................................................................................... 5
Package contents ................................................................................................ 11
Rear I/O Panel ..................................................................................................... 12
LAN Port LED Status Table .................................................................................. 12
Audio Ports Configuration.................................................................................... 12
Realtek Audio Console ......................................................................................... 13
Overview of Components .................................................................................... 16
CPU Socket ........................................................................................................... 17
DIMM Slots............................................................................................................ 18
PCI_E1~3: PCIe Expansion Slots.......................................................................... 19
JFP1, JFP2: Front Panel Connectors................................................................... 19
M2_1~3: M.2 Slots (Key M) ................................................................................... 20
SATA5~8 & SATAA~B: SATA 6Gb/s Connectors................................................... 22
JAUD1: Front Audio Connector ............................................................................ 22
CPU_PWR1~2, ATX_PWR1: Power Connectors................................................... 23
JDASH1 : Tuning Controller connector................................................................ 24
JTPM1: TPM Module Connector........................................................................... 24
............................................................ 25
JUSB3: USB 3.2 Gen 1 Connector ........................................................................ 25
JUSB1~2: USB 2.0 Connectors............................................................................. 26
 ...................................................... 26
CPU_FAN1, PUMP_FAN1, SYS_FAN1~5: Fan Connectors.................................. 27
JCI1: Chassis Intrusion Connector....................................................................... 28
JRGB1~2: RGB LED connectors........................................................................... 29
JRAINBOW1~2: Addressable RGB LED connectors ............................................ 30
JBAT1: Clear CMOS (Reset BIOS) Jumper........................................................... 31

2Contents
Onboard LEDs...................................................................................................... 31
EZ Debug LED....................................................................................................... 31
Installing OS, Drivers & MSI Center.................................................................... 32
Installing Windows 10/ Windows 11..................................................................... 32
Installing Drivers .................................................................................................. 32
MSI Center............................................................................................................ 32
UEFI BIOS............................................................................................................. 33
BIOS Setup............................................................................................................ 34
Entering BIOS Setup............................................................................................. 34
BIOS User Guide ................................................................................................... 34
Resetting BIOS...................................................................................................... 35
Updating BIOS....................................................................................................... 35

3
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.
∙Hold the motherboard by the edges to avoid touching sensitive components.
∙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.
∙
pad whenever the motherboard is not installed.
∙Before turning on the computer, ensure that there are no loose screws or metal
components on the motherboard or anywhere within the computer case.
∙Do not boot the computer before installation is completed. This could cause
permanent damage to the components as well as injury to the user.
∙If you need help during any installation step, please consult a certified computer
technician.
∙Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing any computer component.
∙Keep this user guide for future reference.
∙Keep this motherboard away from humidity.
∙Make sure that your electrical outlet provides the same voltage as is indicated on
the PSU, before connecting the PSU to the electrical outlet.
∙Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.
∙All cautions and warnings on the motherboard should be noted.
∙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.
∙Do not leave this motherboard in an environment above 60°C (140°F), it may damage
the motherboard.

4Contents
Case stand-off notification

the motherboard circuits and the computer case is prohibited. The Case standoff keep
out zone signs will be marked on the backside of motherboard (as shown below) to
serve as a warning to user.
Avoid collision notification
Protective paint is printed around each screw hole to prevent parts from being
scratched.

5
Specifications
Specifications
CPU
∙Supports 12th Gen Intel® Core™ Processors, Pentium®
Gold and Celeron® Processors
∙Processor socket LGA1700
* Please go to www.msi.com to get the newest support status as new processors
are released.
Chipset Intel® B660 Chipset
Memory
∙4x DDR4 memory slots, supporting up to 128GB*
∙Supports 1R 2133/2666/3200 MHz (by JEDEC & POR)
∙Max overclocking frequency:
▪1DPC 1R Max speed up to 4800+ MHz
▪1DPC 2R Max speed up to 4000+ MHz
▪2DPC 1R Max speed up to 4000+ MHz
▪2DPC 2R Max speed up to 3600+ MHz
∙
∙
∙Supports Intel® Extreme Memory Profile (XMP)
* Please refer to www.msi.com for more information on compatible memory.
Expansion Slot
∙2x PCIe x16 slots
▪PCI_E1 (From CPU)
▫Support up to PCIe 4.0
▪PCI_E2 (From B660 chipset)
▫Support up to PCIe 3.0 x4
∙1x PCIe 3.0 x1 slot (From B660 chipset)
Multi-GPU ∙Supports AMD CrossFire™ Technology
Onboard Graphics
∙1x HDMI 2.1 with HDR port, supporting a maximum
resolution of 4K 60Hz*/**
∙1x DisplayPort 1.4 port with HBR3, supporting a maximum
resolution of 4K 60Hz*/**
* Available only on processors featuring integrated graphics.
** Graphics specifications may vary depending on the CPU installed.
Continued on next column

6Specifications
Continued from previous column
Storage
∙6x SATA 6Gb/s ports
▪SATA5~8 (From B660 chipset)
▪SATAA~B (From ASM1061)
∙3x M.2 slots (Key M)
▪M2_1 slot (From CPU)
▫Supports up to PCIe 4.0 x4
▫Supports 2242/ 2260/ 2280/ 22110 storage devices
▪M2_2 & M2_3 slots (From B660 chipset)
▫M2_2 supports up to PCIe 4.0 x4
▫M2_3 supports up to PCIe 4.0 x2*
▫Supports SATA up to 6Gb/s
▫Supports 2242/ 2260/ 2280 storage devices
▫Intel® Optane™ Memory
∙Supports Intel® Smart Response Technology for Intel
Core™ processors
* SATA7 will be unavailable when installing M.2 SATA SSD in the M2_3 slot.
RAID
∙Supports RAID 0, RAID 1 , RAID 5 and RAID 10 for SATA
storage devices*
∙Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
* SATAA & SATAB do not support RAID function.
USB
∙Intel® B660 Chipset
▪
back panel)
▪

connector)
▪
through the internal connector
▪

Audio
Realtek® ALC1220P Codec
∙
∙Supports S/PDIF output
Continued on next column

7
Specifications
Continued from previous column
LAN 
Wireless LAN &
Bluetooth®

∙
slot
∙
2.4Gbps
∙Supports 802.11 a/ b/ g/ n/ ac/ ax
∙Supports Bluetooth® 5.2
Internal Connectors
∙
∙
∙6x SATA 6Gb/s connectors
∙
∙
∙1x USB 3.2 Gen 1 5Gbps connector (supports additional 2
USB 3.2 Gen 1 5Gbps ports)
∙2x USB 2.0 connectors (supports additional 4 USB 2.0
ports)
∙
∙
∙
∙1x Front panel audio connector
∙2x System panel connectors
∙1x Chassis Intrusion connector
∙1x Clear CMOS jumper
∙1x TPM module connector
∙1x TBT connector (supports RTD3)
∙1x Tuning Controller connector
LED Features
∙
∙
∙4x EZ Debug LED
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8Specifications
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Back Panel
Connectors
∙
∙1x DisplayPort
∙1x HDMI port
∙
∙
∙1x 2.5Gbps LAN (RJ45) port
∙
∙5x audio jacks
∙1x Optical S/PDIF OUT connector
I/O Controller NUVOTON NCT6687 Controller Chip
Hardware Monitor
∙CPU/ System/ Chipset temperature detection
∙CPU/ System/ Pump fan speed detection
∙CPU/ System/ Pump fan speed control
Form Factor ∙ATX Form Factor
∙12 in. x 9.6 in. (30.5 cm x 24.4 cm)
BIOS Features
∙1x 256 Mb flash
∙UEFI AMI BIOS
∙ACPI 6.4, SMBIOS 3.4
∙
Software
∙Drivers
∙MSI Center
∙Intel Extreme Tuning Utility
∙MSI APP Player (BlueStacks)
∙Open Broadcaster Software (OBS)
∙
∙Google Chrome™, Google Toolbar, Google Drive
∙Norton™ Internet Security Solution
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9
Specifications
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MSI Center
Features
∙Gaming Mode
∙Smart Priority
∙Game Highlights
∙LAN Manager
∙Mystic Light
∙Ambient Devices
∙Frozr AI Cooling
∙User Scenario
∙True Color
∙Live Update
∙Hardware Monitoring
∙Super Charger
∙Speed Up
∙Smart Image Finder
∙MSI Companion
Special Features
∙Audio
▪Audio Boost
∙Network
▪2.5G LAN
▪LAN Manager
▪
∙Cooling
▪All Aluminum Design
▪Extended Heatsink Design
▪M.2 Shield Frozr
▪Pump Fan
▪Smart Fan Control
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10 Specifications
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Special Features
∙LED
▪Mystic Light
▪Mystic Light Extension (RAINBOW/RGB)
▪Mystic Light SYNC
▪Ambient Devices Support
▪EZ DEBUG LED
∙Performance
▪
▪Lightning Gen 4 M.2
▪
▪Memory Boost
▪Core Boost
▪Lightning USB 20G
▪USB 3.2 Gen 2 10G
▪USB with Type A+C
▪
▪Dual CPU Power: 8+8 pin
▪2oz Copper thickened PCB
∙Protection
▪
▪
∙Experience
▪MSI Center
▪Click BIOS 5
▪CPU Cooler Tuning
▪EZ M.2 Clip
▪App player
▪Tile