Gigabyte B660M D3H DDR4 User Manual

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The front panel design may differ by chassis. A front panel module mainly consists of power switch,
reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis
front panel module to this header, make sure the wire assignments and the pin assignments are
matched correctly.
9) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status indicator
on the chassis to this header according to the pin assignments below. Note the positive and negative pins
before connecting the cables.
• PW (Power Switch):
Connects to the power switch on the chassis front panel. You may congure the way to turn off your
system using the power switch (please navigate to the "BIOS Setup" page of GIGABYTE's website and
search for "Soft-Off by PWR-BTTN" for more information).
• SPEAK (Speaker):
Connects to the speaker on the chassis front panel. The system reports system startup status by issuing
a beep code. One single short beep will be heard if no problem is detected at system startup.
• HD (Hard Drive Activity LED):
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive
is reading or writing data.
• RES (Reset Switch):
Connects 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.
• CI (Chassis Intrusion Header):
Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has
been removed. This function requires a chassis with a chassis intrusion switch/sensor.
• NC: No connection.
• PLED/PWR_LED (Power LED):
Connects to the power status indicator on the chassis front panel. The LED
is on when the system is operating. The LED is off when the system is in S3/
S4 sleep state or powered off (S5).
System Status LED
S0 On
S3/S4/S5 Off
NC NC
Power LED
DEBUG
PORT
G.QBOFM
1
2
19
20
CI-
CI+
PWR_LED-
PWR_LED+
PLED- PW- SPEAK+ SPEAK-
PLED+ PW+
Power LED
HD-
RES+
HD+
RES-
Hard Drive
Activity LED
Reset
Switch
Chassis Intrusion
Header
Power Switch
Speaker
PWR_LED-

Gigabyte B660M D3H 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	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 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	-
USB 2.0 connectors	2
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	No
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

Width	244 mm