Gigabyte B660M GAMING AC DDR4 User Manual

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18) RST_SW/RST (Reset Button/Reset Jumper)
The reset button (RST_SW) allows users to quickly turn on/off the computer in an open-case environment
when they want to change hardware components or conduct hardware testing. The reset jumper (RST)
can connect to the reset switch on the chassis front panel. Press the reset switch to restart the computer
if the computer freezes and fails to perform a normal restart.
Pin No. Denition
1 Reset
2 GND
The reset button (RST_SW)/rest jumper (RST) provides you with several functions to use. To remap
the button to perform different tasks, please navigate to the "BIOS Setup" page of GIGABYTE's
website and search for "RST_SW (MULTIKEY)" for more information.
1
RSTRST_SW
RSTRST_SW
19) QFLASH_PLUS (Q-Flash Plus Button)
Q-Flash Plus allows you to update the BIOS when your system is off (S5 shutdown state). Save the latest
BIOS on a USB thumb drive and plug it into the dedicated port, and then you can now ash the BIOS
automatically by simply pressing the Q-Flash Plus button. The QFLED will ash when the BIOS matching
and ashing activities start and will stop ashing when the main BIOS ashing is complete.
To enable the Q-Flash Plus function, please navigate to the "Unique Features" page of GIGABYTE's
website for more information.
QFLASH_PLUS
QFLED

Gigabyte B660M GAMING AC DDR4 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
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	2133, 2400, 2666, 2933, 3000, 3200, 3300, 3333, 3400, 3466, 3600, 3666, 3733, 3800, 3866, 4000, 4133, 4266, 4300, 4400, 4500, 4600, 4700, 4800, 4933, 5000, 5133, 5333 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	-
Number of SATA III connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
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.
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	4.2
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
Ethernet interface type	2.5 Gigabit Ethernet
Component for	PC
Power source type	ATX
Motherboard chipset	Intel B660
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64, Windows 11 x64
BIOS type	UEFI
ACPI version	5.0
BIOS memory size	256 Mbit
Desktop Management Interface (DMI) version	2.7

Weight and Dimensions

Depth	225 mm
Width	244 mm