MSI MAG B660M MORTAR WIFI DDR4 User manual

MAG B660M MORTAR MAX WIFI DDR4
Motherboard
User Guide
Benutzerhandbuch
Manuel d’utilisation

1
Contents
Quick Start..................................................................................................................... 3
Installing DDR4 memory ........................................................................................ 7
Specifications.............................................................................................................. 15
Special Features......................................................................................................... 19
Package Contents ...................................................................................................... 20
Back Panel Connectors ............................................................................................. 21
LAN Port LED Status Table .................................................................................. 22
Audio Jacks Connection ....................................................................................... 22
Installing Antennas............................................................................................... 24
Overview of Components........................................................................................... 25
CPU Socket ........................................................................................................... 26
DIMM Slots............................................................................................................ 27
PCI_E1~3: PCIe Expansion Slots.......................................................................... 28
M2_1~2: M.2 Slots (Key M) ................................................................................... 29
SATA5~8 & SATA_A1~A2: SATA 6Gb/s Connectors ............................................. 31
JAUD1: Front Audio Connector ............................................................................ 31
JFP1, JFP2: Front Panel Connectors................................................................... 32
JTBT1: Thunderbolt Add-on Card Connector ...................................................... 33
JDASH1 : Tuning Controller connector................................................................ 33
CPU_PWR1~2, ATX_PWR1: Power Connectors................................................... 34
JCI1: Chassis Intrusion Connector....................................................................... 35
JUSB4: USB 3.2 Gen 2 Type-C Connector............................................................ 36
JUSB3: USB 3.2 Gen 1 Connector ........................................................................ 36
JUSB1~2: USB 2.0 Connectors............................................................................. 37
JTPM1: TPM Module Connector........................................................................... 37
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors.................................. 38
JBAT1: Clear CMOS (Reset BIOS) Jumper........................................................... 39
BAT1: CMOS Battery............................................................................................. 39
JRGB1: RGB LED connector................................................................................. 40
JARGB_V2_1~2: A-RAINBOW V2 (ARGB Gen2) LED connectors......................... 41
EZ Debug LED....................................................................................................... 42
English

2
Installing OS, Drivers & MSI Center.......................................................................... 43
MSI Center............................................................................................................ 45
UEFI BIOS.................................................................................................................... 46
BIOS Setup............................................................................................................ 47
Resetting BIOS...................................................................................................... 48
Updating BIOS....................................................................................................... 48

3
Quick Start
Thank you for purchasing a new motherboard from MSI®. 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
Intel® LGA1700 CPU
LGA1700 CPU Fan
Graphics Card
SATA Hard Disk Drive
Phillips Screwdriver
Chassis
Power Supply Unit
A Package of Screws
Thermal Paste
DDR4 Memory

4
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.
Store the motherboard in an electrostatic shielding container or on an anti-static
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.

5
Case stand-off notification
To prevent damage to the motherboard, any unnecessary mounting stand-off between
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.

6
Installing a Processor
https://youtu.be/KMf9oIDsGes
1
2
3
6
4
57
8
9

7
Installing DDR4 memory
http://youtu.be/T03aDrJPyQs
DIMMA2 DIMMA2
DIMMB2
DIMMA1
DIMMA2
DIMMB1
DIMMB2

8
HDD LED
RESET SW
Connecting the Front Panel Header
http://youtu.be/DPELIdVNZUI
JFP1
HDD LED HDD LED -
HDD LED +
POWER LED -
POWER LED +
POWER LED
RESET SW
POWER SW
POWER LED+
POWER LED-
HDD LED
1
2 10
9
Power LED
Reserved
Power Switch
JFP1
Reset SwitchHDD LED

9
Installing the Motherboard
BAT1
1
https://youtu.be/wWI6Qt51Wnc
Torque:
3 kgf·cm*
*3 kgf·cm
= 0.3 N·m
= 2.6 lbf·in
2

10
Connecting the Power Connectors
http://youtu.be/gkDYyR_83I4
ATX_PWR1
CPU_PWR1
CPU_PWR2

11
Installing SATA Drives
http://youtu.be/RZsMpqxythc 1
23
4
5

12
Installing a Graphics Card
http://youtu.be/mG0GZpr9w_A
1
2
3
4
5
6

13
Connecting Peripheral Devices

14
Power On
4
3
12

15
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, support 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 Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Intel® Extreme Memory Profile (XMP)
* Please refer to www.msi.com for more information on compatible memory.
Expansion Slots
2x PCIe x16 slots
• PCI_E1 slot (From CPU)
• Supports PCIe 5.0 x16
• PCI_E3 slot (From B660 chipset)
• Supports PCIe 3.0 x4
1x PCIe x1 slot
• PCI_E2 slot (From B660 chipset)
• Supports PCIe 3.0 x1
Multi-GPU Supports AMD CrossFire™ Technology
Onboard Graphics
1x HDMI 2.1 with HDR port, supports a maximum
resolution of 4K 60Hz*/**
1x DisplayPort 1.4 port with HBR3, supports 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

16
Continued from previous column
SATA Ports
6x SATA 6Gb/s ports
• SATA5~8 (From B660 chipset)*
• SATAA1~A2 (From ASM1061)
* SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.
M.2 SSD Slots
2x M.2 slots (Key M)
• M2_1 slot (From CPU)
• Supports up to PCIe 4.0 x4
• Supports 2242/ 2260/ 2280 storage devices
• M2_2 slot (From B660 chipset)
• Supports PCIe 4.0 x4
• Supports SATA 6Gb/s
• Supports 2242/ 2260/ 2280 storage devices
• M2_2 slot supports Intel® Optane™ Memory
RAID
Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA
storage devices*
* SATAA1 & SATAA2 do not support RAID function.
Audio
Realtek® ALC897 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
LAN 1x Realtek® 8125BG 2.5Gbps LAN controller
Wi-Fi & Bluetooth®
Intel® Wi-Fi 6E
The Wireless module is pre-installed in the M.2 (Key-E)
slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz*(160MHz)
up to 2.4Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax
Supports Bluetooth® 5.2**, FIPS, FISMA
* Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in
Windows 10 build 21H1 and Windows 11.
** Bluetooth 5.2 will be ready in Windows 10 build 21H1 and Windows 11.
Power Connectors 1x 24-pin ATX main power connector
2x 8-pin +12V power connectors
Continued on next column

17
Continued from previous column
Internal USB
Connectors
1x USB 3.2 Gen 2 10Gbps Type-C port (From B660 chipset)
1x USB 3.2 Gen 1 5Gbps connector (From B660 chipset)
• Supports additional 2 USB 3.2 Gen 1 5Gbps ports
2x USB 2.0 connectors (From Hub-GL850G)
• Supports additional 4 USB 2.0 ports
Fan Connectors
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
4x 4-pin system fan connectors
System Connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x TPM module connector
1x Tuning Controller connector
Jumpers 1x Clear CMOS jumper
LED Features
1x 4-pin RGB LED connector
2x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors
4x EZ Debug LED
Back Panel
Connectors
4x USB 2.0 Type-A ports (From B660 chipset)
1x DisplayPort
1x HDMI port
3x USB 3.2 Gen 2 10Gbps Type-A ports (From GL3590 Hub)
1x USB 3.2 Gen 2x2 20Gbps Type-C port (From B660
chipset)
1x 2.5G LAN (RJ45) port
2x Wi-Fi Antenna connectors
5x audio jacks
1x Optical S/PDIF OUT connector
I/O Controller NUVOTON NCT6687D Controller Chip
Hardware Monitor
CPU/ System/ Chipset temperature detection
CPU/ System/ Pump fan speed detection
CPU/ System/ Pump fan speed control
Continued on next column

18
Continued from previous column
Form Factor Micro-ATX Form Factor
9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)
BIOS Features
1x 256 Mb flash
UEFI AMI BIOS
ACPI 6.4, SMBIOS 3.4
Multi-language
Software
Drivers
MSI Center
Intel Extreme Tuning Utility
MSI APP Player (BlueStacks)
CPU-Z MSI GAMING
Norton 360 for Gamers
AIDA64 Extreme - MSI Edition
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