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... 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 Appendix...
... 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 Appendix...
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... to www.asus.com for memory support list. ** Actual memory data rate depends on PCH-attached PCIe slot. ROG STRIX B660-A GAMING WIFI specifications summary CPU Chipset Memory Graphics Expansion Slots Storage Ethernet Wireless & Bluetooth Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** * Refer to www.asus.com for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends...
... to www.asus.com for memory support list. ** Actual memory data rate depends on PCH-attached PCIe slot. ROG STRIX B660-A GAMING WIFI specifications summary CPU Chipset Memory Graphics Expansion Slots Storage Ethernet Wireless & Bluetooth Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** * Refer to www.asus.com for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends...
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ROG STRIX B660-A GAMING WIFI 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 ALC4080 - ...
ROG STRIX B660-A GAMING WIFI 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 ALC4080 - ...
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ROG STRIX B660-A GAMING WIFI 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 2.0 4pin header support additional 3 USB...
ROG STRIX B660-A GAMING WIFI 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 2.0 4pin header support additional 3 USB...
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... 3 - ROG CPU-Z - Sonic Studio III + Sonic Studio Virtual Mixer + Sonic Suite Companion - DTS® Sound Unbound - AURA Sync - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Turbo app MyASUS WinRAR UEFI BIOS ASUS EZ DIY - ROG STRIX B660-A GAMING WIFI specifications summary Special Features Software Features ASUS EZ DIY - SafeDIMM AURA Sync - GameFirst VI - AURA Creator - BIOS FlashBack™ LED - SafeSlot - Sonic Radar III - AURA RGB header - ASUS UEFI BIOS EZ Mode...
... 3 - ROG CPU-Z - Sonic Studio III + Sonic Studio Virtual Mixer + Sonic Suite Companion - DTS® Sound Unbound - AURA Sync - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Turbo app MyASUS WinRAR UEFI BIOS ASUS EZ DIY - ROG STRIX B660-A GAMING WIFI specifications summary Special Features Software Features ASUS EZ DIY - SafeDIMM AURA Sync - GameFirst VI - AURA Creator - BIOS FlashBack™ LED - SafeSlot - Sonic Radar III - AURA RGB header - ASUS UEFI BIOS EZ Mode...
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Please scan the QR Code 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. Please refer to change without notice. x ROG STRIX B660-A GAMING WIFI 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...
Please scan the QR Code 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. Please refer to change without notice. x ROG STRIX B660-A GAMING WIFI 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...
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xii Installation tools and components Phillips (cross) screwdriver PC chassis Power supply unit Intel® LGA 1700 CPU Intel® LGA 1700 compatible CPU Fan DDR5 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.
xii Installation tools and components Phillips (cross) screwdriver PC chassis Power supply unit Intel® LGA 1700 CPU Intel® LGA 1700 compatible CPU Fan DDR5 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.
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.... ROG STRIX B660-A GAMING WIFI 1-1 The pin definitions in the bag that came with the component. • Before you uninstall any component, place it on the location of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded...
.... ROG STRIX B660-A GAMING WIFI 1-1 The pin definitions in the bag that came with the component. • Before you uninstall any component, place it on the location of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded...
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... slots 3. Fan and Pump headers 5. USB 3.2 Gen 1 header 10. Addressable Gen 2 headers 12. S/PDIF Out header 16. System Panel header 18. Thunderbolt™ header 20. SATA 6GB/s ports 8. 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 1-3 Expansion slots 4. TPM header 17. USB 3.2 Gen 2 Type-C® Front Panel connector 9. Chapter 1 Layout contents 1. Thermal Sensor header 19. Clear CMOS header 14. CPU socket 2. Front Panel Audio header 15. M.2 slots 7. Power...
... slots 3. Fan and Pump headers 5. USB 3.2 Gen 1 header 10. Addressable Gen 2 headers 12. S/PDIF Out header 16. System Panel header 18. Thunderbolt™ header 20. SATA 6GB/s ports 8. 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 1-3 Expansion slots 4. TPM header 17. USB 3.2 Gen 2 Type-C® Front Panel connector 9. Chapter 1 Layout contents 1. Thermal Sensor header 19. Clear CMOS header 14. CPU socket 2. Front Panel Audio header 15. M.2 slots 7. Power...
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M.2 slots The M.2 slots allow you to install M.2 devices such as M.2 SSD modules. Chapter 1 6. 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).
M.2 slots The M.2 slots allow you to install M.2 devices such as M.2 SSD modules. Chapter 1 6. 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).
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... RSATA_RXP GND If you installed SATA storage devices, you to the RAID Configuration Guide. You can create a RAID 0, 1, 5, and 10 configuration with the Intel® Rapid Storage Technology through the onboard Intel® B660 chipset. SATA 6Gb/s ports The SATA 6Gb/s ports allow you can download the RAID Configuration Guide from the ASUS website. Before creating a RAID set, refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. GND RSATA_RXP RSATA_RXN GND RSATA_TXN RSATA_TXP GND Chapter 1 7. ROG STRIX B660-A GAMING WIFI 1-11
... RSATA_RXP GND If you installed SATA storage devices, you to the RAID Configuration Guide. You can create a RAID 0, 1, 5, and 10 configuration with the Intel® Rapid Storage Technology through the onboard Intel® B660 chipset. SATA 6Gb/s ports The SATA 6Gb/s ports allow you can download the RAID Configuration Guide from the ASUS website. Before creating a RAID set, refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. GND RSATA_RXP RSATA_RXN GND RSATA_TXN RSATA_TXP GND Chapter 1 7. ROG STRIX B660-A GAMING WIFI 1-11
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... based LED strips. Addressable Gen2 headers The Addressable Gen2 headers allow you install or remove any component, ensure that the power supply is switched off or the power cord is purchased separately. 1-14 Chapter 1: Product Introduction Chapter 1 11. Before you to the motherboard, peripherals, or components. • Actual lighting and color will only light up when the system is powered on this board can...
... based LED strips. Addressable Gen2 headers The Addressable Gen2 headers allow you install or remove any component, ensure that the power supply is switched off or the power cord is purchased separately. 1-14 Chapter 1: Product Introduction Chapter 1 11. Before you to the motherboard, peripherals, or components. • Actual lighting and color will only light up when the system is powered on this board can...
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... 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 to 20V devices...
... 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 to 20V devices...
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... unplug portable disk and power system while BIOS update is zipped together with your USB storage device. We recommend you to use BIOS FlashBack™: 1. The BIOSRenamer.exe application is ongoing, otherwise update will be caused by improper installation of interruption, please follow the steps again. • If the light flashes for a BIOS FlashBack™ compatible motherboard. 4. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. ROG STRIX B660-A GAMING WIFI 2-19 2.2 BIOS update utility BIOS FlashBack™ BIOS FlashBack...
... unplug portable disk and power system while BIOS update is zipped together with your USB storage device. We recommend you to use BIOS FlashBack™: 1. The BIOSRenamer.exe application is ongoing, otherwise update will be caused by improper installation of interruption, please follow the steps again. • If the light flashes for a BIOS FlashBack™ compatible motherboard. 4. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. ROG STRIX B660-A GAMING WIFI 2-19 2.2 BIOS update utility BIOS FlashBack™ BIOS FlashBack...
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... panel case lights up. ROG STRIX B660-A GAMING WIFI 2-25 For systems with the last device on , hold down the key to the power connector at the back of the BIOS setting. BIOS Beep One short beep One continuous beep followed by two short beeps then a pause (repeated) One continuous beep followed by three short beeps One continuous beep followed by four short beeps Description VGA detected Quick boot set to let the system enter the soft-off mode, depending on test. Monitor...
... panel case lights up. ROG STRIX B660-A GAMING WIFI 2-25 For systems with the last device on , hold down the key to the power connector at the back of the BIOS setting. BIOS Beep One short beep One continuous beep followed by two short beeps then a pause (repeated) One continuous beep followed by three short beeps One continuous beep followed by four short beeps Description VGA detected Quick boot set to let the system enter the soft-off mode, depending on test. Monitor...
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... the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-1 Please refer to the latest BIOS version for system startup in this user guide refers to www.asus.com/ support. 3.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that are needed for settings and options. The term "BIOS" in the motherboard CMOS. Inappropriate BIOS settings...
... the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-1 Please refer to the latest BIOS version for system startup in this user guide refers to www.asus.com/ support. 3.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that are needed for settings and options. The term "BIOS" in the motherboard CMOS. Inappropriate BIOS settings...
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... connected to your motherboard if you in Boot menu or by pressing the hotkey. 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 the default value. • The BIOS setup program does not support Bluetooth devices. Select the Load...
... connected to your motherboard if you in Boot menu or by pressing the hotkey. 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 the default value. • The BIOS setup program does not support Bluetooth devices. Select the Load...
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... BIOS default settings to the Drive field. 4. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 2. Press Right arrow key to switch to update the BIOS without using an OS‑based utility. Enter the Advanced Mode of the BIOS setup program. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-3 3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to the Folder field. 6. Select the Load Optimized Defaults item under the Exit menu...
... BIOS default settings to the Drive field. 4. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 2. Press Right arrow key to switch to update the BIOS without using an OS‑based utility. Enter the Advanced Mode of the BIOS setup program. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-3 3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to the Folder field. 6. Select the Load Optimized Defaults item under the Exit menu...
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... an auto recovery tool that allows you to load default BIOS values. Download the latest BIOS version for the BIOS file. The utility automatically checks the devices for this motherboard from whttps://www.asus.com/support/. 2. Chapter 3 3-4 Chapter 3: BIOS Setup Recovering the BIOS 1. The system requires you to enter BIOS Setup to a USB flash drive. 3. Rename the BIOS file as ASUS.CAP or SB660A.CAP and copy the renamed BIOS file to recover the BIOS setting. Insert the USB flash drive containing the BIOS file to a USB port. 5.
... an auto recovery tool that allows you to load default BIOS values. Download the latest BIOS version for the BIOS file. The utility automatically checks the devices for this motherboard from whttps://www.asus.com/support/. 2. Chapter 3 3-4 Chapter 3: BIOS Setup Recovering the BIOS 1. The system requires you to enter BIOS Setup to a USB flash drive. 3. Rename the BIOS file as ASUS.CAP or SB660A.CAP and copy the renamed BIOS file to recover the BIOS setting. Insert the USB flash drive containing the BIOS file to a USB port. 5.
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... the entire system. 3.5 RAID configurations The motherboard comes with the Intel® Rapid Storage Technology that of a single disk alone, thus improving data access and storage. Use two new drives or use an existing drive and three new drives for this setup. With the RAID 10 configuration you can find at a sustained data transfer rate, double that supports SATA RAID 0/1/5/10 configurations. For more hard disk drives. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-5 The new drive must be calculated...
... the entire system. 3.5 RAID configurations The motherboard comes with the Intel® Rapid Storage Technology that of a single disk alone, thus improving data access and storage. Use two new drives or use an existing drive and three new drives for this setup. With the RAID 10 configuration you can find at a sustained data transfer rate, double that supports SATA RAID 0/1/5/10 configurations. For more hard disk drives. Chapter 3 ROG STRIX B660-A GAMING WIFI 3-5 The new drive must be calculated...