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Contents Safety information...iv About this guide...v Package contents...vi PRIME B660M-A AC D4 specifications summary vi Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-9 1.4 System memory 1-11 1.5 M.2 installation 1-13 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 Warranty...A-8 ASUS contact information A-10 Service and Support A-10 iii
Contents Safety information...iv About this guide...v Package contents...vi PRIME B660M-A AC D4 specifications summary vi Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-9 1.4 System memory 1-11 1.5 M.2 installation 1-13 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 Warranty...A-8 ASUS contact information A-10 Service and Support A-10 iii
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... contents Check your motherboard package for any of the above items is damaged or missing, contact your retailer. PRIME B660M-A AC D4 specifications summary CPU Chipset Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold... specifications may vary between CPU types. Please refer to www.intel.com for the following items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x PRIME B660M-A AC D4 motherboard 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 Rubber package 1 x M.2 SSD screw package 1 x Support DVD 1 x...
... contents Check your motherboard package for any of the above items is damaged or missing, contact your retailer. PRIME B660M-A AC D4 specifications summary CPU Chipset Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold... specifications may vary between CPU types. Please refer to www.intel.com for the following items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x PRIME B660M-A AC D4 motherboard 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 Rubber package 1 x M.2 SSD screw package 1 x Support DVD 1 x...
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ESD Guards - SafeSlot Core+ - LANGuard - Q-DIMM - M.2 heatsink - DIGI+ VRM - Q-Slot ASUS Thermal Solution - AURA RGB header - PRIME B660M-A AC D4 specifications summary Internal I /O Special Features ASUS Q-Design - Addressable Gen 2 headers (continued on the next page) viii ProCool AURA Sync - Stainless-Steel Back I /O ... x S/PDIF Out header 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function ASUS 5X PROTECTION III - VRM heatsink design ASUS EZ DIY - Enhanced DRAM Overcurrent Protection - Overvoltage Protection -
ESD Guards - SafeSlot Core+ - LANGuard - Q-DIMM - M.2 heatsink - DIGI+ VRM - Q-Slot ASUS Thermal Solution - AURA RGB header - PRIME B660M-A AC D4 specifications summary Internal I /O Special Features ASUS Q-Design - Addressable Gen 2 headers (continued on the next page) viii ProCool AURA Sync - Stainless-Steel Back I /O ... x S/PDIF Out header 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function ASUS 5X PROTECTION III - VRM heatsink design ASUS EZ DIY - Enhanced DRAM Overcurrent Protection - Overvoltage Protection -
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PRIME B660M-A AC D4 specifications summary Software Features BIOS Manageability Operating System Form Factor ASUS Exclusive Software Armoury Crate - ASUS UEFI BIOS EZ Mode 128 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows® 11 64-bit Windows® 10 64-bit ...mATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) Specifications are subject to the ASUS website for the latest specifications. Refer to change without notice. Fan Xpert 2+ AI Suite 3 - AURA Sync...
PRIME B660M-A AC D4 specifications summary Software Features BIOS Manageability Operating System Form Factor ASUS Exclusive Software Armoury Crate - ASUS UEFI BIOS EZ Mode 128 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows® 11 64-bit Windows® 10 64-bit ...mATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) Specifications are subject to the ASUS website for the latest specifications. Refer to change without notice. Fan Xpert 2+ AI Suite 3 - AURA Sync...
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... Ethernet port 4. This port connects the tape, CD, DVD player, or other protected content. 7. These ports connect to Wi-Fi antennas. • Ensure that the ASUS Wi-Fi moving antenna is securely installed to a Local Area Network (LAN) through a network hub. PRIME B660M-A AC D4 1-7
... Ethernet port 4. This port connects the tape, CD, DVD player, or other protected content. 7. These ports connect to Wi-Fi antennas. • Ensure that the ASUS Wi-Fi moving antenna is securely installed to a Local Area Network (LAN) through a network hub. PRIME B660M-A AC D4 1-7
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Installing the CPU PRIME B660M-A AC D4 Take caution when lifting the load lever, ensure to your motherboard. 1-9 Letting go of the load lever immediately after releasing it may cause the load ... before installing the CPU. • Ensure that you install the correct 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. 1.3 Central Processing...
Installing the CPU PRIME B660M-A AC D4 Take caution when lifting the load lever, ensure to your motherboard. 1-9 Letting go of the load lever immediately after releasing it may cause the load ... before installing the CPU. • Ensure that you install the correct 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. 1.3 Central Processing...
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...four Double Data Rate 4 (DDR4) Dual Inline Memory Module (DIMM) sockets. Recommended memory configurations DIMM_B2 DIMM_A2 DIMM_B2 DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 PRIME B660M-A AC D4 1-11 Any excess memory from a DDR, DDR2, or DDR3 module. Under the default state, some memory modules for single-channel ... a lower frequency than the vendor-marked value. • For system stability, use a more efficient memory cooling system to www.asus.com for the dual-channel configuration. The figure illustrates the location of accessing information from the same vendor. 1.4 System memory This...
...four Double Data Rate 4 (DDR4) Dual Inline Memory Module (DIMM) sockets. Recommended memory configurations DIMM_B2 DIMM_A2 DIMM_B2 DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 PRIME B660M-A AC D4 1-11 Any excess memory from a DDR, DDR2, or DDR3 module. Under the default state, some memory modules for single-channel ... a lower frequency than the vendor-marked value. • For system stability, use a more efficient memory cooling system to www.asus.com for the dual-channel configuration. The figure illustrates the location of accessing information from the same vendor. 1.4 System memory This...
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PRIME B660M-A AC D4 2-1 In normal circumstances, the default BIOS settings apply to most ...except in the following circumstances: • An error message appears on BIOS configurations, please refer to https://www.asus.com/support, or download the BIOS manual by scanning the QR code. For more flexible and convenient mouse input.... BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with the same smoothness as storage device configuration, overclocking settings, ...
PRIME B660M-A AC D4 2-1 In normal circumstances, the default BIOS settings apply to most ...except in the following circumstances: • An error message appears on BIOS configurations, please refer to https://www.asus.com/support, or download the BIOS manual by scanning the QR code. For more flexible and convenient mouse input.... BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with the same smoothness as storage device configuration, overclocking settings, ...
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... Mode of the BIOS setup program. Go to the Tool menu to the Folder field. 6. Press the Left/Right arrow keys to switch to select ASUS EZ Flash 3 Utility and press . 3. Reboot the system when the update process is done. Ensure to load the BIOS default settings to the USB .... 4. Press the Up/Down arrow keys to find the USB flash disk that contains the latest BIOS file to ensure system compatibility and stability. PRIME B660M-A AC D4 2-3 2.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to perform the BIOS update process. Press the Up/Down arrow keys to find the BIOS file, and...
... Mode of the BIOS setup program. Go to the Tool menu to the Folder field. 6. Press the Left/Right arrow keys to switch to select ASUS EZ Flash 3 Utility and press . 3. Reboot the system when the update process is done. Ensure to load the BIOS default settings to the USB .... 4. Press the Up/Down arrow keys to find the USB flash disk that contains the latest BIOS file to ensure system compatibility and stability. PRIME B660M-A AC D4 2-3 2.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to perform the BIOS update process. Press the Up/Down arrow keys to find the BIOS file, and...
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... best suited for transaction processing, relational database applications, enterprise resource planning, and other drive. PRIME B660M-A AC D4 2-5 RAID definitions RAID 0 (Data striping) optimizes two identical hard disk drives to the surviving drive as a single drive but at https://www.asus.com/support, or by scanning the QR code. Two hard disks perform the same...
... best suited for transaction processing, relational database applications, enterprise resource planning, and other drive. PRIME B660M-A AC D4 2-5 RAID definitions RAID 0 (Data striping) optimizes two identical hard disk drives to the surviving drive as a single drive but at https://www.asus.com/support, or by scanning the QR code. Two hard disks perform the same...
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... harmful interference to provide reasonable protection against harmful interference in a residential installation. PRIME B660M-A AC D4 A-1 Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on , the user is connected. - Appendix Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax...
... harmful interference to provide reasonable protection against harmful interference in a residential installation. PRIME B660M-A AC D4 A-1 Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on , the user is connected. - Appendix Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax...