MSI MAG B660 TOMAHAWK WIFI User Manual

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Resetting BIOS
You might need to restore the default BIOS settings to solve certain problems. There
are several ways to reset BIOS:
 Go to BIOS and press F6 to load optimized defaults.
 Short the Clear CMOS jumper on the motherboard.

Important
Be sure the computer is off before clearing CMOS data. Please refer to the Clear
CMOS jumper section for resetting BIOS.
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Before updating:
Please download the latest BIOS file that matches your motherboard model from MSI
website. And then save the BIOS file into the USB flash drive.
Updating BIOS:
1. Insert the USB flash drive that contains the update file into the USB port.
2. Please refer the following methods to enter flash mode.
 Reboot and press Ctrl + F5 key during POST and click on Yes to reboot the
system.

 Reboot and press Del key during POST to enter BIOS. Click the M-FLASH button
and click on Yes to reboot the system.
3. Select a BIOS file to perform the BIOS update process.
4. When prompted click on Yes to start recovering BIOS.
5. After the flashing process is 100% completed, the system will reboot automatically.

MSI MAG B660 TOMAHAWK WIFI Specifications

General

Processor socket	LGA 1700
Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium Gold
Non-ECC	Yes
Memory channels	Dual-channel
Number of memory slots	4
Supported memory types	DDR5-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	4800, 5000, 5066, 5200, 5333, 5400, 5600, 5800, 6000, 6200 MHz
RAID levels	0, 1, 5, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, PCI Express 4.0, SATA III
Parallel processing technology support	Crossfire
DVI-D ports quantity	-
WiFi-AP antenna jack	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB4 Gen 2×2 ports quantity	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax)
Bluetooth version	5.2
Top Wi-Fi standard	Wi-Fi 6E (802.11ax)
Ethernet interface type	2.5 Gigabit Ethernet
Number of SATA III connectors	6
Audio chip	Realtek ALC1220P
Component for	PC
Motherboard chipset	Intel B660
Audio output channels	7.1 channels
Motherboard form factor	ATX
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	305 mm
Width	244 mm