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... 2.1.6 ATX power connection 2-13 2.1.7 SATA device connection 2-14 2.1.8 Front I/O connector 2-15 2.1.9 Expansion card installation 2-16 2.1.10 Wi-Fi moving antenna installation 2-18 2.2 BIOS update utility 2-19 2.3 Motherboard rear and audio connections 2-21 2.3.1 Rear I/O connection 2-21 2.3.2 Audio I/O connections 2-22 2.4 Starting up for the first time 2-25 2.5 Turning off the computer 2-25 Chapter 3: BIOS and RAID Support 3.1 Knowing BIOS 3-1 3.2 BIOS setup program 3-2 3.3 ASUS EZ Flash 3 3-3 3.4 ASUS CrashFree BIOS 3 3-4 3.5 RAID configurations 3-5 iii
... 2.1.6 ATX power connection 2-13 2.1.7 SATA device connection 2-14 2.1.8 Front I/O connector 2-15 2.1.9 Expansion card installation 2-16 2.1.10 Wi-Fi moving antenna installation 2-18 2.2 BIOS update utility 2-19 2.3 Motherboard rear and audio connections 2-21 2.3.1 Rear I/O connection 2-21 2.3.2 Audio I/O connections 2-22 2.4 Starting up for the first time 2-25 2.5 Turning off the computer 2-25 Chapter 3: BIOS and RAID Support 3.1 Knowing BIOS 3-1 3.2 BIOS setup program 3-2 3.3 ASUS EZ Flash 3 3-3 3.4 ASUS CrashFree BIOS 3 3-4 3.5 RAID configurations 3-5 iii
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... Gen Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) Intel® B660 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode) M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. 1 x Intel® 2.5Gb Ethernet ASUS LANGuard Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2 (continued on the CPU types. ROG STRIX B660-A GAMING WIFI D4 specifications summary CPU Chipset Memory Graphics...
... Gen Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) Intel® B660 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode) M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. 1 x Intel® 2.5Gb Ethernet ASUS LANGuard Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2 (continued on the CPU types. ROG STRIX B660-A GAMING WIFI D4 specifications summary CPU Chipset Memory Graphics...
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... outputs - ROG STRIX B660-A GAMING WIFI D4 specifications summary USB Audio Back Panel I/O Ports 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®) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 6 ports) 1 x USB 3.2 Gen 2 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1 pin header + 1 USB 2.0 4 pin header support additional 3 USB 2.0 ports ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC...
... outputs - ROG STRIX B660-A GAMING WIFI D4 specifications summary USB Audio Back Panel I/O Ports 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®) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 6 ports) 1 x USB 3.2 Gen 2 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1 pin header + 1 USB 2.0 4 pin header support additional 3 USB 2.0 ports ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC...
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...ix Q-Slot ASUS Thermal Solution - ROG STRIX B660-A GAMING WIFI D4 specifications summary Internal I/O Connectors Special Features 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 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector Storage related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 2 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1pin header + 1 USB...
...ix Q-Slot ASUS Thermal Solution - ROG STRIX B660-A GAMING WIFI D4 specifications summary Internal I/O Connectors Special Features 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 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector Storage related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 2 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1pin header + 1 USB...
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GameFirst VI - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ROG STRIX B660-A GAMING WIFI D4 specifications summary Special Features Software Features ASUS EZ DIY - CPU Socket lever protector - SafeSlot - Sonic Radar III - AIDA64 Extreme (60 days free trial) - Two-Way AI Noise Cancelation AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Turbo app MyASUS WinRAR UEFI BIOS ASUS EZ DIY - BIOS FlashBack™ LED - SafeDIMM AURA Sync - Addressable Gen 2 headers ROG Exclusive Software - Pre...
GameFirst VI - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ROG STRIX B660-A GAMING WIFI D4 specifications summary Special Features Software Features ASUS EZ DIY - CPU Socket lever protector - SafeSlot - Sonic Radar III - AIDA64 Extreme (60 days free trial) - Two-Way AI Noise Cancelation AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Turbo app MyASUS WinRAR UEFI BIOS ASUS EZ DIY - BIOS FlashBack™ LED - SafeDIMM AURA Sync - Addressable Gen 2 headers ROG Exclusive Software - Pre...
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ROG STRIX B660-A GAMING WIFI D4 specifications summary BIOS Manageability Operating System Form Factor 192 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows® 11 64-bit Windows® 10 64-bit ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) • Specifications are subject to troubleshoot issues, optimizing product performance, integrating ASUS software, and recovery drive creation. Please scan the QR Code for the latest specifications. • MyASUS offers a variety of support features...
ROG STRIX B660-A GAMING WIFI D4 specifications summary BIOS Manageability Operating System Form Factor 192 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows® 11 64-bit Windows® 10 64-bit ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) • Specifications are subject to troubleshoot issues, optimizing product performance, integrating ASUS software, and recovery drive creation. Please scan the QR Code for the latest specifications. • MyASUS offers a variety of support features...
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xii Package contents Check your motherboard package for the following items. Motherboard Cables Miscellaneous Installation Media Documentation 1 x ROG STRIX B660-A GAMING WIFI D4 motherboard 4 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x Cable ties pack 1 x M.2 Rubber package 1 x M.2 Q-Latch package 1 x ROG key chain 1 x ROG Strix stickers 1 x ROG Strix thank you card 1 x Support DVD 1 x User guide If any of the above items is damaged or missing, contact your retailer.
xii Package contents Check your motherboard package for the following items. Motherboard Cables Miscellaneous Installation Media Documentation 1 x ROG STRIX B660-A GAMING WIFI D4 motherboard 4 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x Cable ties pack 1 x M.2 Rubber package 1 x M.2 Q-Latch package 1 x ROG key chain 1 x ROG Strix stickers 1 x ROG Strix thank you card 1 x Support DVD 1 x User guide If any of the above items is damaged or missing, contact your retailer.
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... chapter are for reference only. ROG STRIX B660-A GAMING WIFI D4 1-1 The pin definitions in the bag that came with the component. • Before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe...
... chapter are for reference only. ROG STRIX B660-A GAMING WIFI D4 1-1 The pin definitions in the bag that came with the component. • Before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe...
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CPU socket 2. Fan and Pump headers 5. SATA 6GB/s ports 8. Addressable Gen 2 headers 12. Thunderbolt™ header 20. DIMM slots 3. M.2 slots 7. USB 2.0 header 11. AURA RGB header 13. S/PDIF Out header 16. TPM header 17. BIOS FlashBackTM LED 21. Front Panel Audio header 15. System Panel header 18. Thermal Sensor header 19. Q-LEDs Page 1-4 1-5 1-7 1-8 1-9 1-10 1-11 1-12 1-12 1-13 1-14 1-15 1-16 1-17 1-17 1-18 1-19 1-20 1-21 1-22 1-22 ROG STRIX B660-A GAMING WIFI D4 1-3 Chapter 1 Layout contents 1. Expansion slots 4. Power connectors 6. USB 3.2 Gen 2 Type-C®...
CPU socket 2. Fan and Pump headers 5. SATA 6GB/s ports 8. Addressable Gen 2 headers 12. Thunderbolt™ header 20. DIMM slots 3. M.2 slots 7. USB 2.0 header 11. AURA RGB header 13. S/PDIF Out header 16. TPM header 17. BIOS FlashBackTM LED 21. Front Panel Audio header 15. System Panel header 18. Thermal Sensor header 19. Q-LEDs Page 1-4 1-5 1-7 1-8 1-9 1-10 1-11 1-12 1-12 1-13 1-14 1-15 1-16 1-17 1-17 1-18 1-19 1-20 1-21 1-22 1-22 ROG STRIX B660-A GAMING WIFI D4 1-3 Chapter 1 Layout contents 1. Expansion slots 4. Power connectors 6. USB 3.2 Gen 2 Type-C®...
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A M.2_1(SOCKET3) C M.2_2(SOCKET3) B M.2_3(SOCKET3) A BC • Intel® 12th Gen Processors: - M.2_1 supports PCIE 4.0 x4 mode M Key design and type 2242 / 2260 / 2280 / 22110 storage devices. • Intel® B660 Chipset: - M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode). - M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode). Chapter 1 6. M.2 slots The M.2 slots allow you to install M.2 devices such as M.2 SSD modules. The M.2 SSD module is purchased separately. 1-10 Chapter 1: Product Introduction
A M.2_1(SOCKET3) C M.2_2(SOCKET3) B M.2_3(SOCKET3) A BC • Intel® 12th Gen Processors: - M.2_1 supports PCIE 4.0 x4 mode M Key design and type 2242 / 2260 / 2280 / 22110 storage devices. • Intel® B660 Chipset: - M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode). - M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode). Chapter 1 6. M.2 slots The M.2 slots allow you to install M.2 devices such as M.2 SSD modules. The M.2 SSD module is purchased separately. 1-10 Chapter 1: Product Introduction
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... a RAID 0, 1, 5, and 10 configuration with the Intel® Rapid Storage Technology through the onboard Intel® B660 chipset. ROG STRIX B660-A GAMING WIFI D4 1-11 Before creating a RAID set, refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. A SATA6G_3 B SATA6G_4 A B C SATA6G_1 D SATA6G_2 CD GND RSATA_TXP RSATA_TXN GND RSATA_RXN RSATA_RXP GND If you installed SATA storage devices, you to the RAID Configuration Guide. SATA 6Gb/s ports The SATA 6Gb/s ports allow you can download the RAID Configuration Guide from the ASUS...
... a RAID 0, 1, 5, and 10 configuration with the Intel® Rapid Storage Technology through the onboard Intel® B660 chipset. ROG STRIX B660-A GAMING WIFI D4 1-11 Before creating a RAID set, refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. A SATA6G_3 B SATA6G_4 A B C SATA6G_1 D SATA6G_2 CD GND RSATA_TXP RSATA_TXN GND RSATA_RXN RSATA_RXP GND If you installed SATA storage devices, you to the RAID Configuration Guide. SATA 6Gb/s ports The SATA 6Gb/s ports allow you can download the RAID Configuration Guide from the ASUS...
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ROG STRIX B660-A GAMING WIFI D4 2-17 Chapter 2 To install Thunderbolt™ series card 6-pin PCIe power connector USB Type-C® port connects to Thunderbolt devices MiniDP in port connects to DP out port on the motherboard or a VGA card USB 2.0 header Thunderbolt™ header Ensure to install the Thunderbolt™ series card to a PCIe slot from PCH. • Step 6 is optional, please connect a 6-pin PCIe power connector when you wish to use the USB Type-C® port Thunderbolt™ quick charge feature to charge a 5V or more device. • The TypeC_1 port can support up...
ROG STRIX B660-A GAMING WIFI D4 2-17 Chapter 2 To install Thunderbolt™ series card 6-pin PCIe power connector USB Type-C® port connects to Thunderbolt devices MiniDP in port connects to DP out port on the motherboard or a VGA card USB 2.0 header Thunderbolt™ header Ensure to install the Thunderbolt™ series card to a PCIe slot from PCH. • Step 6 is optional, please connect a 6-pin PCIe power connector when you wish to use the USB Type-C® port Thunderbolt™ quick charge feature to charge a 5V or more device. • The TypeC_1 port can support up...
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... compatibility and stability. 2. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. Wait until the BIOS FlashBack™ LED blinks three times, indicating that the BIOS FlashBack™ is zipped together with your USB storage device. ROG STRIX B660-A GAMING WIFI D4 2-19 Shut down your local ASUS Service Center. If this motherboard. 3. Insert a USB storage device to your BIOS file when you download a BIOS file for this scenario happens, please restart the system to turn off the light. • Updating BIOS...
... compatibility and stability. 2. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. Wait until the BIOS FlashBack™ LED blinks three times, indicating that the BIOS FlashBack™ is zipped together with your USB storage device. ROG STRIX B660-A GAMING WIFI D4 2-19 Shut down your local ASUS Service Center. If this motherboard. 3. Insert a USB storage device to your BIOS file when you download a BIOS file for this scenario happens, please restart the system to turn off the light. • Updating BIOS...
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... Quick boot set to let the system enter the soft-off . 3. After making all switches are running, the BIOS beeps (refer to a power outlet that all the connections, replace the system case cover. 2. ROG STRIX B660-A GAMING WIFI D4 2-25 System power 6. The system then runs the power-on the devices in Chapter 3. 2.5 Turning off mode, depending on sleep mode or soft-off the computer While the system is equipped with ATX power supplies, the system LED lights...
... Quick boot set to let the system enter the soft-off . 3. After making all switches are running, the BIOS beeps (refer to a power outlet that all the connections, replace the system case cover. 2. ROG STRIX B660-A GAMING WIFI D4 2-25 System power 6. The system then runs the power-on the devices in Chapter 3. 2.5 Turning off mode, depending on sleep mode or soft-off the computer While the system is equipped with ATX power supplies, the system LED lights...
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... keyboardonly BIOS controls to the latest BIOS version for system startup in this user guide refers to ensure optimal performance. Chapter 3: BIOS and RAID Support BIOS and RAID Support 3 For more flexible and convenient mouse input. In normal circumstances, the default BIOS settings apply to most conditions to "UEFI BIOS" unless otherwise specified. The term "BIOS" in the motherboard CMOS. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-1 BIOS settings and options may result to run the BIOS Setup. • You have installed...
... keyboardonly BIOS controls to the latest BIOS version for system startup in this user guide refers to ensure optimal performance. Chapter 3: BIOS and RAID Support BIOS and RAID Support 3 For more flexible and convenient mouse input. In normal circumstances, the default BIOS settings apply to most conditions to "UEFI BIOS" unless otherwise specified. The term "BIOS" in the motherboard CMOS. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-1 BIOS settings and options may result to run the BIOS Setup. • You have installed...
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... options, press key to enter BIOS. • Ensure that a USB mouse is connected to the default value. • The BIOS setup program does not support Bluetooth devices. The BIOS screens include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to your motherboard if you in Boot menu...
... options, press key to enter BIOS. • Ensure that a USB mouse is connected to the default value. • The BIOS setup program does not support Bluetooth devices. The BIOS screens include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to your motherboard if you in Boot menu...
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... the BIOS file, and then press to the USB port. 2. Go to the Tool menu to prevent system boot failure! 1. Enter the Advanced Mode of the BIOS setup program. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-3 To update the BIOS: • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to select ASUS EZ Flash 3 Utility and...
... the BIOS file, and then press to the USB port. 2. Go to the Tool menu to prevent system boot failure! 1. Enter the Advanced Mode of the BIOS setup program. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-3 To update the BIOS: • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to select ASUS EZ Flash 3 Utility and...
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... the BIOS file when it fails or gets corrupted during the updating process. 3.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you press to load default BIOS values. The system requires you to enter BIOS Setup to a USB flash drive. 3. Insert the USB flash drive containing the BIOS file to a USB port. 5. Doing so can restore a corrupted BIOS file using a USB flash drive that contains the BIOS file. Download the latest BIOS version for the BIOS file. You can cause system boot failure! Turn on...
... the BIOS file when it fails or gets corrupted during the updating process. 3.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you press to load default BIOS values. The system requires you to enter BIOS Setup to a USB flash drive. 3. Insert the USB flash drive containing the BIOS file to a USB port. 5. Doing so can restore a corrupted BIOS file using a USB flash drive that contains the BIOS file. Download the latest BIOS version for the BIOS file. You can cause system boot failure! Turn on...
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... tolerance, and higher storage capacity. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-5 Two hard disks perform the same work as it contains a complete copy of the data in parallel, interleaved stacks. The RAID 5 configuration is best suited for transaction processing, relational database applications, enterprise resource planning, and other drive. RAID 10 is required for this setup. RAID definitions RAID 0 (Data striping) optimizes two identical hard disk drives to be of...
... tolerance, and higher storage capacity. Chapter 3 ROG STRIX B660-A GAMING WIFI D4 3-5 Two hard disks perform the same work as it contains a complete copy of the data in parallel, interleaved stacks. The RAID 5 configuration is best suited for transaction processing, relational database applications, enterprise resource planning, and other drive. RAID 10 is required for this setup. RAID definitions RAID 0 (Data striping) optimizes two identical hard disk drives to be of...
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Appendix ROG STRIX B660-A GAMING WIFI D4 A-1 Operation is subject to provide reasonable protection against harmful interference in accordance with provided instructions and the antenna(s) used for this equipment does cause harmful interference to radio or television reception, which can radiate radio frequency energy and, if not installed and used in a residential installation. These limits are trademarks or registered trademarks of at least...
Appendix ROG STRIX B660-A GAMING WIFI D4 A-1 Operation is subject to provide reasonable protection against harmful interference in accordance with provided instructions and the antenna(s) used for this equipment does cause harmful interference to radio or television reception, which can radiate radio frequency energy and, if not installed and used in a residential installation. These limits are trademarks or registered trademarks of at least...