MSI MAG B660 TOMAHAWK WIFI User Manual

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Overview of Components
JCI1: Chassis Intrusion Connector
This connector allows you to connect the chassis intrusion switch cable.
Normal
(default)
Trigger the chassis
intrusion event

1. Connect the JCI1 connector to the chassis intrusion switch/ sensor on the chassis.
2. Close the chassis cover.
3. Go to BIOS > SETTINGS > Security > Chassis Intrusion Configuration.
4. Set Chassis Intrusion to Enabled.
5. Press F10 to save and exit and then press the Enter key to select Yes.
6. Once the chassis cover is opened again, a warning message will be displayed on
screen when the computer is turned on.
Resetting the chassis intrusion warning
1. Go to BIOS > SETTINGS > Security > Chassis Intrusion Configuration.
2. Set Chassis Intrusion to Reset.
3. Press F10 to save and exit and then press the Enter key to select Yes.

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