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B660M AORUS PRO AX
B660M AORUS PRO
B660M A PRO AX DDR4
(B660M AORUS PRO AX DDR4)
B660M AORUS PRO DDR4
User's Manual
Rev. 1101
12ME-B66MPX4-1101R
B660M AORUS
B660M AORUS
PRO AX
PRO
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.
B660M A PRO
B660M AORUS
AX DDR4
PRO DDR4
For more product details, please
visit GIGABYTE's website.

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Summary of Contents for Gigabyte B660M AORUS PRO AX

  • Page 1 B660M AORUS PRO AX AX DDR4 PRO 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 2 The trademarks mentioned in this manual are legally registered to their respective owners. Disclaimer Information in this manual is protected by copyright laws and is the property of GIGABYTE. Changes to the specifications and features in this manual may be made by GIGABYTE without prior notice.
  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Product Introduction ..................4 Motherboard Layout ..................4 Motherboard Block Diagram ................6 Box Contents ....................7 Chapter 2 Hardware Installation ..................8 Installation Precautions ..................8 Product Specifications ..................9 Installing the CPU and CPU Cooler ............... 13 Installing the Memory ..................
  • Page 4: Chapter 1 Product Introduction

    PCIEX16 M_BIOS ® Super I/O Intel B660 ® CODEC USB 2.0 Hub PCIEX4 THB_C1 SPI_TPM QFLED D_LED1 F_AUDIO QFLASH_PLUS F_USB2 SYS_FAN4_PUMP CLR_CMOS THB_C2 SYS_FAN2 LED_C1 F_USB1 RST_SW F_PANEL Temperature sensor j Only for B660M AORUS PRO AX. - 4 -...
  • Page 5 ATX_12V_2X2 ATX_12V_2X4 LED_C2 CPU_FAN R_USB20 SYS_FAN1 D_LED2 CPU_OPT USB 2.0 Hub M2_WIFIl LGA1700 DP_HDMI20 U320G U32G2 USB 3.2 Gen 1 Hub U32_LAN Intel ® 2.5GbE LAN AUDIO PCIEX16 M_BIOS ® Super I/O Intel B660 ® CODEC USB 2.0 Hub PCIEX4 THB_C1 SPI_TPM QFLED...
  • Page 6: Motherboard Block Diagram

    PCI Express 3.0 Bus USB 2.0 M.2 WIFI CODEC j Only for B660M AORUS PRO AX. k Only for B660M AORUS PRO. l Only for B660M A PRO AX DDR4. m Only for B660M AORUS PRO DDR4. - 6 -...
  • Page 7: Box Contents

    Box Contents B660M AORUS PRO AX, B660M AORUS PRO, B660M A PRO AX DDR4, or B660M AORUS PRO DDR4 motherboard User's Manual Two SATA cables One antennajl M.2 screw(s)/M.2 standoff(s) * The box contents above are for reference only and the actual items shall depend on the product package you obtain.
  • Page 8: Chapter 2 Hardware Installation

    Chapter 2 Hardware Installation Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's manual and follow these procedures: • Prior to installation, make sure the chassis is suitable for the motherboard. •...
  • Page 9: 2-2 Product Specifications

    Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Š Support for Extreme Memory Profile (XMP) memory modules Š (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Onboard Integrated Graphics Processor-Intel HD Graphics support: ®...
  • Page 10 Expansion Slots Š 1 x PCI Express x16 slot, running at x16 (PCIEX16) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. (The PCIEX16 slot conforms to PCI Express 4.0 standard.) 1 x PCI Express x16 slot, running at x4 (PCIEX4) Š...
  • Page 11 ON/OFF Charge RGB Fusion Smart Backup System Information Viewer Support for Q-Flash Plus Š Support for Q-Flash Š Support for Xpress Install Š j Only for B660M AORUS PRO AX. l Only for B660M A PRO AX DDR4. - 11 -...
  • Page 12 Support for Windows 10 64-bit Š Micro ATX Form Factor; 24.4cm x 24.4cm Form Factor Š * GIGABYTE reserves the right to make any changes to the product specifications and product-related information without prior notice. B660M AORUS B660M AORUS B660M A PRO...
  • Page 13: 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 support list.) • Always turn off the computer and unplug the power cord from the power outlet before installing the CPU to prevent hardware damage.
  • Page 14 B. Installing the CPU Follow the steps below to correctly install the CPU into the motherboard CPU socket. Finger Tab j G ently press the CPU socket lever handle down and away from the socket. k C ompletely lift up the CPU socket lock- ing lever.
  • Page 15 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 your CPU cooler.) Apply an even and thin layer of thermal grease on the surface of the installed CPU.
  • Page 16: 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, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) •...
  • Page 17: Installing An Expansion Card

    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 with your expansion card. • Always turn off the computer and unplug the power cord from the power outlet before installing an expansion card to prevent hardware damage.
  • Page 18: Back Panel Connectors

    Use this port for USB devices. j Only for B660M AORUS PRO AX. l Only for B660M A PRO AX DDR4. (Note) To enable the Q-Flash Plus function, please navigate to the "Unique Features" page of GIGABYTE's website for more information. - 18 -...
  • Page 19 • When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent an electrical short inside the cable connector. Please visit GIGABYTE's website for details on configuring the audio software. - 19 -...
  • Page 20: Internal Connectors

    Internal Connectors ATX_12V_2X2/ATX_12V_2X4 F_AUDIO F_U32C CPU_FAN F_U32 SYS_FAN1/2/3 F_USB1/F_USB2 SYS_FAN4_PUMP SPI_TPM CPU_OPT LED_C1/LED_C2 THB_C1/THB_C2 D_LED1/D_LED2 SATA3 4/5/6/7 CLR_CMOS M2A_CPU/M2P_SB RST_SW/RST F_PANEL QFLASH_PLUS Read the following guidelines before connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. •...
  • Page 21 1/2) ATX_12V_2X2/ATX_12V_2X4/ATX (2x2, 2x4, 12V Power Connectors and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed.
  • Page 22: Sys_Fan1

    The header also provides speed control for a water cooling pump. Please navigate to the "BIOS Setup" page of GIGABYTE's website and search for "Smart Fan 6" for more information.
  • Page 23: Led_C1

    Incorrect connection may lead to the damage of the LED strip. For how to turn on/off the lights of the LED strip, please navigate to the "Unique Features" page of GIGABYTE's website. Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from the power outlet to prevent damage to the devices.
  • Page 24 Each SATA connector supports a single SATA device. The Intel Chipset supports RAID 0, RAID 1, ® RAID 5, and RAID 10. Please navigate to the "Configuring a RAID Set" page of GIGABYTE's website for instructions on configuring a RAID array. Pin No. Definition SATA3 To enable hot-plugging for the SATA ports, please navigate to the "BIOS Setup"...
  • Page 25 10) M2A_CPU/M2P_SB (M.2 Socket 3 Connectors) The M.2 connectors on the motherboard support only M.2 PCIe SSDs. S F_ M2A_CPU S S_F S F_ M2P_SB S S_F Follow the steps below to correctly install an M.2 SSD in the M.2 connector. Step 1: Locate the M.2 connector where you will install the M.2 SSD, use a screwdriver to unfasten the screw on the heatsink and then remove the heatsink.
  • Page 26 Connects to the power switch on the chassis front panel. You may configure 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).
  • Page 27 F_USB3 F 12) 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 assignments of the module connector match the pin assignments of the motherboard header.
  • Page 28 F_USB30 14) F_U32 (USB 3.2 Gen 1 Header) F_ U The header conforms to USB 3.2 Gen 1 and USB 2.0 specification and can provide two USB ports. For purchasing the optional 3.5" front panel that provides two USB 3.2 Gen 1 ports, please contact the local dealer.
  • Page 29: Spi_Tpm

    F_USB3 F 16) SPI_TPM (Trusted Platform Module Header) You may connect an SPI TPM (Trusted Platform Module) to this header. Pin No. Definition Data Output Power (3.3V) No Pin Data Input Chip Select S F_ S S_F 17) COM (Serial Port Header) The COM header can provide one serial port via an optional COM port cable.
  • Page 30: Thb_C1

    18) THB_C1/THB_C2 (Thunderbolt Add-in Card Connectors) ™ The connectors are used to connect to a GIGABYTE Thunderbolt add-in card. ™ THB_C1 THB_C2 Supports a Thunderbolt add-in card. ™ 19) 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.
  • Page 31: Rst

    RST_SW 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.
  • Page 32 Q-Flash Plus button. The QFLED will flash when the BIOS matching and flashing activities start and will stop flashing when the main BIOS flashing is complete. QFLED QFLASH_PLUS To enable the Q-Flash Plus function, please navigate to the "Unique Features" page of GIGABYTE's website for more information. - 32 -...
  • Page 33: Chapter 3 Bios Setup

    If this occurs, try to clear the CMOS values and reset the board to default values. • Refer to the introductions of the battery/clear CMOS jumper in Chapter 2 or navigate to the "BIOS Setup" page of GIGABYTE's website and search for "Load Optimized Defaults" for how to clear the CMOS values.
  • Page 34 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 to access the Q-Flash utility in BIOS Setup. <F12>: BOOT MENU Boot Menu allows you to set the first boot device without entering BIOS Setup.
  • Page 35: Chapter 4 Installing The Operating System And Drivers

    OS installation process. Refer to the steps below: Step 1: Go to GIGABYTE's website, browse to the motherboard model's web page, download the Intel SATA Preinstall driver file on the Support\Download\SATA RAID/AHCI page, unzip the file and copy the files to your USB thumb drive.
  • Page 36: 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 applications via APP Center. Click Install to proceed with the installation. (In BIOS Setup, make sure Settings\IO Ports\APP Center Download & Install Configuration\APP Center Download & Install is set to Enabled.)
  • Page 37: Chapter 5 Appendix

    • SATA hard drives or SSDs. To ensure optimal performance, it is recommended that you use two hard drives with identical model and capacity. • Windows setup disc. • An Internet connected computer. • A USB thumb drive. Please visit GIGABYTE's website for details on configuring a RAID array. - 37 -...
  • Page 38: Regulatory Notices

    47 CFR § 2.1077 Compliance Information Product Name: Motherboard Trade Name: GIGABYTE Model Number: B660M AORUS PRO AX/B660M AORUS PRO/B660M A PRO AX DDR4/B660M AORUS PRO DDR4 Responsible Party – U.S. Contact Information: G.B.T. Inc. Address: 17358 Railroad street, City Of Industry, CA91748 Tel.: 1-626-854-9338...
  • Page 39 European Commission Delegated Directive (EU) 2015/863 Statement I prodotti con il marchio CE sono conformi con una o più delle seguenti GIGABYTE products have not intended to add and safe from hazardous Direttive UE, come applicabile: Direttiva EMC 2014/30/UE, Direttiva sulla substances (Cd, Pb, Hg, Cr+6, PBDE, PBB, DEHP, BBP, DBP and DIBP).
  • Page 40 To identify your Motherboard version or revision number, look for “REV: X.X” printed on the PCB on the top left corner of the Motherboard. For example, "REV:1.0" means the revision of the motherboard is 1.0. . Motherboard revision no.: Wireless module manufacturer, model name: B660M AORUS PRO AX rev. 1.0/B660M A PRO AX DDR4 rev. 1.0 Intel Corporation AX201NGW ®...
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  • Page 44: Contact Us

    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/Marketing) : https://esupport.gigabyte.com WEB address (English): https://www.gigabyte.com WEB address (Chinese): https://www.gigabyte.com/tw GIGABYTE eSupport • To submit a technical or non-technical (Sales/Marketing) question, please link to: https://esupport.gigabyte.com...

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