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Gigabyte Motherboard B660M GAMING AC DDR4 (rev.1.0) User Manual English (version 1101)

Summary

This comprehensive guide provides everything necessary to set up and optimize your B660M GAMING AC/DDR4 Motherboard. It walks system builders through core processes, including physical hardware installation—guiding you on connecting the CPU, memory, and expansion cards. The manual also covers essential steps like BIOS setup and installing operating systems and drivers. Designed for tech enthusiasts and advanced users, this resource ensures a smooth and efficient build process for optimal PC performance.

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B660M GAMING AC DDR4 B660M GAMING DDR4

User's Manual Rev. 1101

B660M GAMING AC DDR4 B660M GAMING DDR4

For more product details, please visit GIGABYTE's website.

To reduce the impacts on global warming, the packaging materials of this product are recyclable and reusable. GIGABYTE works with you to protect the environment.

Page Summary Contents For Gigabyte Motherboard B660M GAMING AC DDR4 (rev.1.0) User Manual English (version 1101)

Page 1 B660M GAMING AC DDR4 B660M GAMING DDR4 User's Manual Rev. 1101 B660M GAMING AC DDR4 B660M GAMING DDR4 For more product details, please visit GIGABYTE's website. To reduce the impacts on global warming...
Page 2 Copyright © 2022 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally registered to their respective owners. Disclaimer Information in this manual is...
Page 3 Table of Contents Chapter 1 Product Introduction .......................................................................................4 1-1 Motherboard Layout ..........................................
Page 4 Chapter 1 Product Introduction 1-1 Motherboard Layout M2 A_ CP KB_MS_USB CPU_FAN ATX_12V_2X4 M2_WIFIM ATX SYS_FAN1 LGA1700 VGA HDMI M2 P_ SB B660M GAMING AC DDR4 U32_LAN B660M GAMING DDR4 DD R4 _A DD ...
Page 5 1-2 Box Contents B660M GAMING AC DDR4 or B660M GAMING DDR4 motherboard Motherboard driver disc User's Manual I/O Shield Two SATA cables One antenna M * The box contents above are for reference only an...
Page 6 Chapter 2 Hardware Installation 2-1 Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic dischar...
Page 7 2-2 Product Specifications CPU LGA1700 socket: Support for 12th Generation Intel® Core™, Pentium® Gold and Celeron® Processors (Go to GIGABYTE's website for the latest CPU support list.) L3 cache vari...
Page 8 Storage Interface Chipset: - 1 x M.2 connector (Socket 3, M key, type 2260/2280 PCIe 4.0 x4/x2 SSD support) (M2P_SB) - 4 x SATA 6Gb/s connectors Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10 In...
Page 9 I/O Controller i TE® I/O Controller Chip Hardware Voltage detection Monitor Temperature detection Fan speed detection Fan fail warning Fan speed control * Whether the fan speed control function is sup...
Page 10 2-3 Installing the CPU and CPU Cooler Read the following guidelines before you begin to install the CPU: Make sure that the motherboard supports the CPU. (Go to GIGABYTE's website for the latest CPU s...
Page 11 B. Installing the CPU Follow the steps below to correctly install the CPU into the motherboard CPU socket. Finger Tab MGently press the CPU socket lever handle down and away from the socket. kComple...
Page 12 C. Installing the CPU Cooler Be sure to install the CPU cooler after installing the CPU. (Actual installation process may differ depending the CPU cooler to be used. Refer to the user's manual for you...
Page 13 2-4 Installing the Memory Read the following guidelines before you begin to install the memory: Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, ...
Page 14 2-5 Installing an Expansion Card Read the following guidelines before you begin to install an expansion card: Make sure the motherboard supports the expansion card. Carefully read the manual that came...
Page 15 2-6 Back Panel Connectors USB 2.0/1.1 Port (Q-Flash Plus Port) The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices. Before using Q-Flash Plus (Note), make sure to insert...
Page 16 USB 3.2 Gen 1 Port The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specification and is compatible to the USB 2.0 specification. Use this port for USB devices. USB Type-C® Port, with USB 3.2 Gen 1 S...
Page 17 2-7 Internal Connectors 1) ATX_12V_2X4 11) F_U32 2) ATX 12) F_USB1/F_USB2 3) CPU_FAN 13) SPI_TPM 4) SYS_FAN1/2/3 14) COM 5) SATA3 4/5/6/7 15) BAT 6) D_LED1 16) CLR_CMOS 7) LED_C1 17) SPDIF_O 8) M2A_CP...
Page 18 DEBUG PORT DEBUG PORT 1/2) ATX_12V_2X4/ATX (2x4 12V Power Connector and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the compo...
Page 19 DEBUG PORT DEBUG PORT DE BU PO RT 3/4) CPU_FAN/SYS_FAN1/2/3 (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan ca...
Page 20 F_ US B3 F_ F_ F_ F_ US B3 6) D_LED1 (Addressable LED Strip Header) This header can be used to connect a standard 5050 addressable LED strip, with maximum power rating of 5A (5V) and maximum number of...
Page 21 F_USB30 F_U F_ F_ 8) M2A_CPU/M2P_SB (M.2 Socket 3 Connectors) The M.2 connectors on the motherboard support only M.2 PCIe SSDs. M2A_CPU M2P_SB F_USB30F_U F_F_ Follow the steps below to corr...
Page 22 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 assignme...
Page 23 10) F_AUDIO (Front Panel Audio Header) The front panel audio header supports High Definition audio (HD). You may connect your chassis front panel audio module to this header. Make sure the wire assign...
Page 24 F_USB30 F_U F_ F_ _S 12) F_USB1/F_USB2 (USB 2.0/1.1 Headers) The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. For purchasing th...
Page 25 14) COM (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. Pin No. Definition ...
Page 26 F_ US B3 F_ F_ F_ F_ US B3 16) CLR_CMOS (Clear CMOS Jumper) Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear the CMOS values, use a metal object ...
Page 27 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 conduc...
Page 28 Chapter 3 BIOS Setup BIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on the motherboard. Its major functions include conducting the Power-On Self-Test (POST)...
Page 29 Startup Screen: The following startup Logo screen will appear when the computer boots. Function Keys Function Keys: <DEL>: BIOS SETUP\Q-FLASH Press the <Delete> key to enter BIOS Setup or ...
Page 30 Chapter 4 Installing the Operating System and Drivers 4-1 Operating System Installation With the correct BIOS settings, you are ready to install the operating system. If you want to install an operati...
Page 31 4-2 Drivers Installation After you install the operating system, a dialog box will appear on the bottom-right corner of the desktop asking if you want to download and install the drivers and GIGABYTE ...
Page 32 Chapter 5 Appendix 5-1 Configuring a RAID Set RAID Levels RAID 0 RAID 1 RAID 5 RAID 10 Minimum Number of Hard ≥2 ≥3 Drives Number of hard (Number of hard (Number of hard Size of the smallest Array Cap...
Page 33 Regulatory Notices United States of America, Federal Communications Commission Statement Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information Product Name: Motherboard Trade Nam...
Page 34 European Union (EU) CE Declaration of Conformity CE Declaración de conformidad This device complies with the following directives: Electromagnetic Este producto que llevan la marca CE cumplen con las ...
Page 35 European Community Radio Equipment Directive Compliance Statement: This equipment complies with all the requirements and other relevant provisions of Radio Equipment Directive 2014/53/EU. This equipme...
Page 36 Contact Us GIGA-BYTE TECHNOLOGY CO., LTD. Address: No.6, Baoqiang Rd., Xindian Dist., New Taipei City 231, Taiwan TEL: +886-2-8912-4000, FAX: +886-2-8912-4005 Tech. and Non-Tech. Support (Sales/Market...

Manual Details

Brand GIGABYTE
Pages 36
File Size 14.30 MB
Published June 02, 2026
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Frequently Asked Questions

How do I identify my motherboard's specific revision number?

Look for 'REV: X.X.' printed on the PCB, typically in the top left corner of the board.

What should I do before installing the new hardware?

Ensure that the chassis is suitable for the motherboard and take precautions to prevent electrostatic discharge (ESD).

Where can I find more product details or support information?

Visit GIGABYTE's official website at https://www.gigabyte.com, or use their eSupport portal.

Are there restrictions on using the wireless module?

The low band (5.15 - 5.35 GHz) is generally for indoor use only in specified region statements.