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MSI MAG B660 TOMAHAWK WIFI User Manual

MSI MAG B660 TOMAHAWK WIFI
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33


MSI UEFI BIOS is compatible with UEFI (Unified Extensible Firmware Interface)
architecture. UEFI has many new functions and advantages that traditional BIOS
cannot achieve, and it will completely replace BIOS in the future. The MSI UEFI
BIOS uses UEFI as the default boot mode to take full advantage of the new chipset
capabilities.
Important
The term BIOS in this user guide refers to UEFI BIOS unless otherwise noted.


test process. It can also eliminate the time to switch to CSM mode during POST.
Supports for hard drive partitions larger than 2 TB.
Supports more than 4 primary partitions with a GUID Partition Table (GPT).
Supports unlimited number of partitions.

compatibility.

ensure that no malware tampers with the startup process.

32-bit Windows operating system

Older graphics card
graphics cards, it may display a warning message There is no GOP (Graphics Output
protocol) support detected in this graphics card.
Important
We recommend that you replace it with a graphics card supporting GOP/UEFI or use
CPU with integrated graphics for having normal function.
How to check the BIOS mode?
1. Power on your computer.
2. Press Delete key when the Press DEL key to enter Setup Menu, F11 to enter Boot
Menu message appears on the screen during the boot process.
3. After entering the BIOS, you can check the BIOS Mode at the top of the screen.
BIOS Mode: 

Table of Contents

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MSI MAG B660 TOMAHAWK WIFI Specifications

General IconGeneral
Processor socketLGA 1700
Processor manufacturerIntel
Compatible processor seriesIntel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium Gold
Non-ECCYes
Memory channelsDual-channel
Number of memory slots4
Supported memory typesDDR5-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds4800, 5000, 5066, 5200, 5333, 5400, 5600, 5800, 6000, 6200 MHz
RAID levels0, 1, 5, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 4.0, SATA III
Parallel processing technology supportCrossfire
DVI-D ports quantity-
WiFi-AP antenna jack2
USB 2.0 ports quantityUSB 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 quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity0
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax)
Bluetooth version5.2
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Ethernet interface type2.5 Gigabit Ethernet
Number of SATA III connectors6
Audio chipRealtek ALC1220P
Component forPC
Motherboard chipsetIntel B660
Audio output channels7.1 channels
Motherboard form factorATX
Harmonized System (HS) code84733020
Weight and Dimensions IconWeight and Dimensions
Depth305 mm
Width244 mm

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