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Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
Contents Safety information ....................... v About this guide ......................vi ROG STRIX B660-A GAMING WIFI D4 specifications summary ......vii Package contents ...................... xii Installation tools and components ................. xiii Chapter 1: Product Introduction Before you proceed ................... 1-1 Motherboard layout ..................1-2...
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Appendix Notices ........................A-1 Warranty ........................A-8 ASUS contact information ..................A-10 Service and Support ..................... A-10...
Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
Refer to the following sources for additional information and for product and software updates. ASUS website The ASUS website (www.asus.com) provides updated information on ASUS hardware and software products. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.
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Supports Intel Extreme Memory Profile (XMP) ® OptiMem II * Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list. 1 x DisplayPort ** 1 x HDMI port*** ®...
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ROG STRIX B660-A GAMING WIFI D4 specifications summary Rear USB (Total 9 ports) 1 x USB 3.2 Gen 2x2 port (1 x USB Type-C ® 1 x USB 3.2 Gen 2 port (1 x Type-A) 3 x USB 3.2 Gen 1 ports (2 x Type-A + 1 x USB Type-C ®...
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ROG STRIX B660-A GAMING WIFI D4 specifications summary Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector...
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ROG STRIX B660-A GAMING WIFI D4 specifications summary ASUS EZ DIY - BIOS FlashBack™ button - BIOS FlashBack™ LED - CPU Socket lever protector - Pre-mounted I/O shield Special Features - SafeSlot - SafeDIMM AURA Sync - AURA RGB header...
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Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) • Specifications are subject to change without notice. Please refer to the ASUS website for the latest specifications. • MyASUS offers a variety of support features such as helping to troubleshoot issues, optimizing product performance, integrating ASUS software, and recovery drive creation.
Package contents Check your motherboard package for the following items. 1 x ROG STRIX B660-A GAMING WIFI D4 Motherboard motherboard Cables 4 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x Cable ties pack 1 x M.2 Rubber package Miscellaneous 1 x M.2 Q-Latch package...
Installation tools and components Phillips (cross) screwdriver PC chassis Power supply unit Intel LGA 1700 CPU Intel LGA 1700 compatible CPU Fan ® ® DDR4 DIMM SATA hard disk drive SATA optical disc drive (optional) Graphics card (optional) M.2 SSD module (optional) 1 Bag of screws The tools and components in the table above are not included in the motherboard package.
Failure to do so may cause severe damage to the motherboard, peripherals, or components. The pin definitions in this chapter are for reference only. The pin names depend on the location of the header/jumper/connector. ROG STRIX B660-A GAMING WIFI D4...
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Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related.
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A DDR4 memory module is notched differently from a DDR, DDR2, DDR3 or DDR5 module. DO NOT install a DDR, DDR2, DDR3 or DDR5 memory module to the DDR4 slot. Recommended memory configurations DIMM_A1 DIMM_A2 DIMM_A2 DIMM_B1 DIMM_B2 DIMM_B2 DIMM_B2 ROG STRIX B660-A GAMING WIFI D4...
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(D/C) from the same vendor. Check with the vendor to get the correct memory modules. • Visit the ASUS website for the latest QVL. Chapter 1: Product Introduction...
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Expansion slots Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. PCIEX16(G5) PCIEX1(G3)_1 PCIEX1(G3)_2 PCIEX16(G3) ROG STRIX B660-A GAMING WIFI D4...
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Fan and Pump headers The Fan and Pump headers allow you to connect fans or pumps to cool the system. CPU_FAN CPU_OPT FAN PWM CHA_FAN1 FAN IN AIO_PUMP FAN PWR CHA_FAN2 CHA_FAN3 • DO NOT forget to connect the fan cables to the fan headers. Insufficient air flow inside the system may damage the motherboard components.
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• If you want to use two high-end PCI Express x16 cards, use a PSU with 1000W power or above to ensure the system stability. ROG STRIX B660-A GAMING WIFI D4...
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M.2 slots The M.2 slots allow you to install M.2 devices such as M.2 SSD modules. M.2_1(SOCKET3) M.2_2(SOCKET3) M.2_3(SOCKET3) • Intel ® Gen Processors: - M.2_1 supports PCIE 4.0 x4 mode M Key design and type 2242 / 2260 / 2280 / 22110 storage devices.
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Rapid Storage Technology through the onboard Intel B660 chipset. ® ® Before creating a RAID set, refer to the RAID Configuration Guide. You can download the RAID Configuration Guide from the ASUS website. ROG STRIX B660-A GAMING WIFI D4 1-11...
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USB 3.2 Gen 2 Type-C Front Panel connector ® The USB 3.2 Gen 2 Type-C connector allows you to connect a USB 3.2 Gen 2 ® Type-C module for an additional USB 3.2 Gen 2 Type-C port. The USB 3.2 Gen 2 ®...
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The USB 2.0 header provides data transfer speeds of up to 480 Mb/s. USB_56 USB_11 PIN 1 PIN 1 DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB 2.0 module is purchased separately. ROG STRIX B660-A GAMING WIFI D4 1-13...
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Addressable Gen2 headers The Addressable Gen2 headers allow you to connect individually addressable RGB WS2812B LED strips or WS2812B based LED strips. ADD_GEN 2_2 ADD_GEN 2_3 ADD_GEN 2_1 The Addressable Gen2 header supports WS2812B addressable RGB LED strips (5V/ Data/Ground), with a maximum power rating of 3A (5V), and the addressable headers on this board can handle a combined maximum of 500 LEDs.
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RGB LED strip is connected in the correct orientation, and the 12V connector is aligned with the 12V header on the motherboard. • The LED strip will only light up when the system is powered on. • The LED strip is purchased separately. ROG STRIX B660-A GAMING WIFI D4 1-15...
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Clear CMOS header This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.
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S/PDIF Out header The S/PDIF Out header allows you to connect the Sony/Philips Digital Interface (S/ PDIF) Out module. SPDIF_OUT The S/PDIF module is purchased separately. ROG STRIX B660-A GAMING WIFI D4 1-17...
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TPM header The TPM header allows you to connect a TPM module, which securely stores keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protect digital identities, and ensures platform integrity. SPI_TPM PIN 1 The TPM module is purchased separately. Chapter 1: Product Introduction 1-18...
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The chassis intrusion sensor or switch sends a high-level signal to the header when a chassis component is removed or replaced, the signal is then generated as a chassis intrusion event. ROG STRIX B660-A GAMING WIFI D4 1-19...
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Thermal Sensor header The Thermal Sensor header allows you to connect a sensor to monitor the temperature of the devices and the critical components inside the motherboard. Connect the thermal sensor and place it on the device or the motherboard’s component to detect its temperature.
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Please visit the official website of your purchased Thunderbolt™ card for more details on compatibility. The Thunderbolt™ card can only be used when installed to the PCIEX16(G3) slot. Ensure to install your Thunderbolt™ card to the PCIEX16(G3) slot. ROG STRIX B660-A GAMING WIFI D4 1-21...
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BIOS FlashBack™ LED The FlashBack™ LED lights up or blinks to indicate the status of the BIOS FlashBack™. FLBK_LED Q-LEDs The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the motherboard booting process. If an error is found, the critical component’s LED stays lit up until the problem is solved.
CPU designed for LGA1155, LGA1156, LGA1151, and LGA1200 sockets on the LGA1700 socket. • ASUS will not cover damages resulting from incorrect CPU installation/removal, incorrect CPU orientation/placement, or other damages resulting from negligence by the user. Take caution when lifting the load...
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Ensure to remove the CPU Socket lever protector on the lever latch before locking the lever latch under the retention tab. Failure to do so may cause damages to your system when installing the cooling system. Chapter 2: Basic Installation...
Ensure to remove the CPU Socket lever protector on the lever latch before installing the cooling system, failure to do so may cause damages to your system. To install a CPU heatsink and fan assembly ROG STRIX B660-A GAMING WIFI D4...
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Intel ® 600 series motherboard. • Additional holes for LGA1200 compatible cooling systems are also available on ASUS’ Intel 600 series motherboards, ® however, we still strongly advise consulting with your cooling system vendor or manufacturer on the compatibility and...
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• If you wish to install an AIO cooler, we recommend installing the AIO cooler after installing the motherboard into the chassis. AIO_PUMP CPU_FAN CPU_OPT ROG STRIX B660-A GAMING WIFI D4...
If the thermal pad on the M.2 heatsink becomes damaged and needs to replaced, we recommend replacing it with a thermal pad with a thickness of 1.25mm. • The M.2 is purchased separately. Loosen the screws from the M.2 heatsinks. Lift and remove the heatsinks. ROG STRIX B660-A GAMING WIFI D4...
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Install your M.2 to your M.2 slot. The steps may differ between installing M.2 of different lengths, please refer to the different types and their installation steps below: • To install an M.2 to M.2_1and M.2_3 slot For 2280, 22110 length A.
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D. Rotate and adjust the M.2 Q-latch so that the handle points away from the M.2 slot. E. Install your M.2 to the M.2 slot. F. Rotate the M.2 Q-Latch clockwise to secure the M.2 in place. ROG STRIX B660-A GAMING WIFI D4...
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• To install an M.2 to M.2_2 slot For 2280 length A. Rotate and adjust the M.2 Q-latch so that the handle points away from the M.2 slot. B. Install your M.2 to the M.2 slot. C. Rotate the M.2 Q-Latch clockwise to secure the M.2 in place. For 2242, 2260 length A.
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If the thermal pad on the M.2 heatsink becomes damaged and needs to replaced, we recommend replacing it with a thermal pad with a thickness of 1.25mm. Replace the heatsinks. Secure the heatsinks using the screws removed previously. ROG STRIX B660-A GAMING WIFI D4 2-11...
2.1.5 Motherboard installation Place the motherboard into the chassis, ensuring that its rear I/O ports are aligned to the chassis’ rear I/O panel. Place nine (9) screws into the holes indicated by circles to secure the motherboard to the chassis. DO NOT over tighten the screws! Doing so can damage the motherboard.
Push the connector until it clicks into place. To install USB 3.2 Gen 1 connector To install USB 2.0 connector USB 2.0 USB 3.2 Gen 1 To install front panel audio connector AAFP ROG STRIX B660-A GAMING WIFI D4 2-15...
2.1.9 Expansion card installation To install PCIe x16 cards To install PCIe x1 cards Chapter 2: Basic Installation 2-16...
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The TypeC_1 port can support up to 20V devices, and the TypeC_2 port can support up to 9V devices when the 6-pin PCIe power connector is connected. • Please visit the official website of your purchased Thunderbolt™ card for more details on compatibility. ROG STRIX B660-A GAMING WIFI D4 2-17...
2.1.10 Wi-Fi moving antenna installation Installing the ASUS Wi-Fi moving antenna Connect the bundled ASUS Wi-Fi moving antenna connector to the Wi-Fi ports at the back of the chassis. • Ensure that the ASUS Wi-Fi moving antenna is securely installed to the Wi-Fi ports.
• Updating BIOS may have risks. If the BIOS program is damaged during the process and results to the system’s failure to boot up, please contact your local ASUS Service Center. ROG STRIX B660-A GAMING WIFI D4...
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For more information on using the BIOS FlashBack™ feature, please refer to https://www.asus.com/support/, or by scanning the QR code below. Chapter 2: Basic Installation 2-20...
We strongly recommend that you connect your devices to ports with matching data transfer rate. For example connecting your USB 3.2 Gen 1 devices to USB 3.2 Gen 1 ports for faster and better performance for your devices. ROG STRIX B660-A GAMING WIFI D4 2-21...
* Intel 2.5Gb Ethernet port LED indications ® Activity Link LED Speed LED ACT/LINK SPEED Status Description Status Description No link No link GREEN Linked 100 Mbps / 10 Mbps connection BLINKING Data activity LAN port GREEN 2.5 Gbps connection ORANGE 1 Gbps connection ** Audio 2, 4, 5.1 or 7.1-channel configuration...
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Connect to Stereo Speakers Connect to 2-channel Speakers Connect to 4-channel Speakers ROG STRIX B660-A GAMING WIFI D4 2-23...
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Connect to 5.1-channel Speakers Connect to 7.1-channel Speakers Chapter 2: Basic Installation 2-24...
BIOS setting. Press the power button for more than four seconds to let the system enter the soft-off mode regardless of the BIOS setting. ROG STRIX B660-A GAMING WIFI D4 2-25...
Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional keyboard- only BIOS controls to enable a more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as your operating system.
BIOS setup program Use the BIOS Setup to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief onscreen help to guide you in using the BIOS Setup program. Entering BIOS at startup To enter BIOS Setup at startup, press <Delete> or <F2> during the Power-On Self Test (POST).
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ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS-based utility. Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu or press hotkey <F5>.
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ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using a USB flash drive that contains the BIOS file.
For more information on configuring your RAID sets, please refer to the RAID Configuration Guide which you can find at https://www.asus.com/support, or by scanning the QR code. RAID definitions RAID 0 (Data striping) optimizes two identical hard disk drives to read and write data in parallel, interleaved stacks.
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RF exposure compliance. HDMI Trademark Notice The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. ROG STRIX B660-A GAMING WIFI D4...
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Compliance Statement of Innovation, Science and Economic Development Canada (ISED) This device complies with Innovation, Science and Economic Development Canada licence exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
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Tenez cet appareil à distance du ventre des femmes enceintes et du bas-ventre des adolescents. ROG STRIX B660-A GAMING WIFI D4...
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ASUS products sold in Vietnam, on or after September 23, 2011,meet the requirements of the Vietnam Circular 30/2011/TT-BCT. Các sản phẩm ASUS bán tại Việt Nam, vào ngày 23 tháng 9 năm2011 trở về sau, đều phải đáp ứng các yêu cầu của Thông tư 30/2011/TT-BCT của Việt Nam.
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ASUSTek Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of The Radio Equipment Regulations 2017 (S.I. 2017/1206). Full text of UKCA declaration of conformity is available at https://www.asus.com/support/. The WiFi operating in the band 5150-5350MHz shall be restricted to indoor use for the country listed below: UKCA RF Output table (The Radio Equipment Regulations 2017) ®...
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2014/53/EU. Cijeli di: https://www.asus.com/support/ tekst EU izjave o sukladnosti dostupan je na https://www.asus.com/support/ WiFi yang Beroperasi pada 5150-5350 MHz akan terbatas untuk penggunaan WiFi koji radi na opsegu frekvencija 5150-5350 MHz bit će ograničen na...
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ASUSTek Computer Inc. tukaj izjavlja, da je ta naprava skladna s temeljnimi zahtevami in drugimi relevantnimii določili Direktive 2014/53/EU. Polno besedilo izjave EU o skladnosti je na voljo na https://www.asus.com/ support/ WiFi, ki deluje v pasovnem območju 5150–5350 MHz, mora biti v državah, navedenih v spodnjem seznamu, omejen na notranjo uporabo: Declaración de conformidad simplificada para la UE...
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• ASUS offers a voluntary manufacturer’s Commercial Guarantee. • ASUS dragovoljno nudi komercijalno proizvođačko jamstvo. • ASUS reserves the right to interpret the provisions of the ASUS • ASUS zadržava prava na tumačenje odredbi ASUS komercijalnog Commercial Guarantee. jamstva. •...
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• ASUS tilbyr som produsent en frivillig kommersiell garanti. • Bảo hành thương mại này của ASUS được cung cấp độc lập và ngoài • ASUS forbeholder seg retten til å tolke bestemmelsene i ASUS sin Bảo đảm pháp lý theo luật định và không có cách nào ảnh hưởng đến kommersielle garanti.
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Address: 1F., No. 15, Lide Rd., Beitou Dist., Taipei City 112, Taiwan ASUS COMPUTER INTERNATIONAL (America) Address: 48720 Kato Rd., Fremont, CA 94538, USA ASUS COMPUTER GmbH (Germany and Austria) Address: Harkortstrasse 21-23, 40880 Ratingen, Germany ASUSTeK (UK) LIMITED Address: 1st Floor, Sackville House, 143-149 Fenchurch Street, London, EC3M 6BL,...