Gigabyte Motherboard B660M-D3H DDR4 (rev.1.0) User Manual - English (Version 1001)
Summary
The B660M D3H DDR4 Motherboard is a reliable component designed for PC building enthusiasts and advanced users. This comprehensive manual serves as your essential guide, covering every step of the setup process. It details hardware installation—including CPU/RAM mounting and expansion cards—walks through critical BIOS configuration, and guides you through installing the Operating System and necessary drivers. Whether you are a first-time builder or upgrading an existing rig, this resource ensures accurate, seamless assembly and optimal performance.
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B660M D3H DDR4
User's Manual Rev. 1001
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-D3H DDR4 (rev.1.0) User Manual - English (Version 1001)
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B660M D3H DDR4 User's Manual Rev. 1001 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 re...
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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...
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Table of Contents Chapter 1 Product Introduction .......................................................................................4 1-1 Motherboard Layout ..........................................
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Chapter 1 Product Introduction 1-1 Motherboard Layout ATX_12V_2X4 KB_MS_USB20 CPU_FAN SYS_FAN1 LGA1700 DUAL_DP U32G2 2A _C PU U32_LAN Intel® 2.5 Gb E LAN B660M D3H DDR4 DD R4 _A AUDIO DD R4 _A DD R4 _...
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1-2 Box Contents B660M D3H DDR4 motherboard User's Manual Two SATA cables M.2 screws I/O Shield * The box contents above are for reference only and the actual items shall depend on the product package...
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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...
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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...
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Storage Interface CPU: - 1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 PCIe 4.0 x4/x2 SSD support) (M2A_CPU) Chipset: - 1 x M.2 connector (Socket 3, M key, type 2260/2280 PCIe 4.0 x4/x2 SSD...
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Back Panel 1 x PS/2 keyboard/mouse port Connectors 1 x USB Type-C® port, with USB 3.2 Gen 2 support 1 x USB 3.2 Gen 2 Type-A port (red) 2 x USB 3.2 Gen 1 ports 2 x USB 2.0/1.1 ports 1 x D-Sub port 1 x...
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Bundled Norton® Internet Security (OEM version) Software LAN bandwidth management software Operating Support for Windows 11 64-bit System Support for Windows 10 64-bit Form Factor Micro ATX Form Facto...
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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...
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B. Installing the CPU Follow the steps below to correctly install the CPU into the motherboard CPU socket. Finger Tab jGently press the CPU socket lever handle down and away from the socket. kComple...
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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...
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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, ...
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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...
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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...
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RJ-45 LAN Port The Gigabit Ethernet LAN port provides Internet connection at up to 2.5 Gbps data rate. The following describes the states of the LAN port LEDs. Activity LEDSpeed LED Speed LED: Activit...
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2-7 Internal Connectors 1) ATX_12V_2X4 12) F_USB1/F_USB2 2) ATX 13) SPI_TPM 3) CPU_FAN 14) COM 4) SYS_FAN1/2/3 15) LPT 5) LED_C 16) THB_C1/THB_C2 6) D_LED 17) SPDIF_O 7) SATA3 4/5/6/7 18) CLR_CMOS 8) ...
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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 comp...
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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...
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F_ US B3 F_ F_ F_ F_ US B3 6) D_LED (Addressable LED Strip Header) DE BU The header can be used to connect a standard 5050 addressable LED strip, with maximum power rating PO RT of 5A (5V) and maximum...
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F_USB30 F_ U F_ F_ F_USB30 F_ U F_ F_ F_USB3 F _ U F_USB3 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 Follow the s...
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DEBUG PORT 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 p...
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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...
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F_USB30 F_ U F_ F_ 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 DEBUG _S optional USB bracket. For purchas...
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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 ...
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F_USB30 F_ U F_ F_ F_USB30 F_ U F_ S B_ F_ F_USB3 F F_USB30F_ U F_ F_ S F_ F_USB3 F 16) THB_C1/THB_C2 (Thunderbolt™ Add-in Card Connectors) The connectors are used to connect to a GIGABYTE...
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18) 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 like a screwdriver to touch...
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20) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the CMOS when the computer is turned off. Replace the battery when the batt...
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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)...
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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 ...
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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...
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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 ...
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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...
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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...
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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 | 21.66 MB |
| Published | May 28, 2026 |
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Frequently Asked Questions
How do I prepare before installing the motherboard?
Before installation, ensure the chassis is suitable and remember to keep the S/N or warranty stickers intact for validation.
What information should I check if I plan to update the BIOS or drivers?
You must check the revision number on your motherboard (e.g., "REV: X.X.").
Where can I find additional product support and specifications?
Visit the official GIGABYTE website at https://www.gigabyte.com.
What kinds of components are protected by ESD during installation?
The motherboard contains several delicate electronic circuits and components susceptible to Electrostatic Discharge (ESD).