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... set the DFE on SOC Rx. Configuration options: [Auto] [Enabled] [Disabled] Mrc Training Loop Count Allows you to set the exponential number of loops to enable or disable the MRC fast boot. tCCD_L_tDLLK Configuration options: [Auto] [0] - [15] Misc. Configuration options: [Auto] [Standard Profile] [ASUS User Profile] RxDfe Allows you to set the DRAM clock period. MRC Fast Boot Allows you to run the test. Configuration options: [Enabled] [Disabled] MC_Vref0-2 Configuration options: [Auto] [0] - [65533] 30 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual...
... set the DFE on SOC Rx. Configuration options: [Auto] [Enabled] [Disabled] Mrc Training Loop Count Allows you to set the exponential number of loops to enable or disable the MRC fast boot. tCCD_L_tDLLK Configuration options: [Auto] [0] - [15] Misc. Configuration options: [Auto] [Standard Profile] [ASUS User Profile] RxDfe Allows you to set the DRAM clock period. MRC Fast Boot Allows you to run the test. Configuration options: [Enabled] [Disabled] MC_Vref0-2 Configuration options: [Auto] [0] - [65533] 30 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual...
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... is set to [Enabled]. 1-Core Active / 2-Core Active / 3-Core Active / 4-Core Active / 5-Core Active / 6-Core Active Configuration options: [Auto] [Enabled] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 37 Frequency will enable additional boost of two bins with the help of Auto Optimized Temperature Control. This value represents the Maximum instantaneous voltage allowed at any given time. The following items appear only when Overclocking TVB is too high. Configuration options: [Auto] [Disabled] [Enabled] V-Max Stress If set to [Enabled], Frequency may be...
... is set to [Enabled]. 1-Core Active / 2-Core Active / 3-Core Active / 4-Core Active / 5-Core Active / 6-Core Active Configuration options: [Auto] [Enabled] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 37 Frequency will enable additional boost of two bins with the help of Auto Optimized Temperature Control. This value represents the Maximum instantaneous voltage allowed at any given time. The following items appear only when Overclocking TVB is too high. Configuration options: [Auto] [Disabled] [Enabled] V-Max Stress If set to [Enabled], Frequency may be...
Intel 600 series Channel BIOS UM English
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... ASPM support for each root port. Efficient Core Information This submenu displays the Efficient Core Information. Scroll down to display other BIOS items. The items in this menu may vary based on the CPU installed. Configuration options: [Disabled] [L0s] [L1] [L0sL1] PCI Express Clock Gating Allows you to enable or disable PCI Express Clock Gating for the PEG 0. Performance Core Information This submenu displays the Performance Core Information. 50 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual
... ASPM support for each root port. Efficient Core Information This submenu displays the Efficient Core Information. Scroll down to display other BIOS items. The items in this menu may vary based on the CPU installed. Configuration options: [Disabled] [L0s] [L1] [L0sL1] PCI Express Clock Gating Allows you to enable or disable PCI Express Clock Gating for the PEG 0. Performance Core Information This submenu displays the Performance Core Information. 50 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual
Intel 600 series Channel BIOS UM English
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...processor package. Configuration options: [Max Battery] [Max Non-Turbo Performance] [Turbo Performance] [Auto] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 51 Configuration options: [Disabled] [Enabled] CPU - Hyper-Threading Allows a hyper-threading processor to appear as two logical processors, allowing the operating system to protect DRAM data from the reset vector. Configuration options: [All] [0] - [3] Number of Efficient cores to enable or disable Hyper-Threading for each core. Boot performance mode Allows you to manage and configure the CPU's power...
...processor package. Configuration options: [Max Battery] [Max Non-Turbo Performance] [Turbo Performance] [Auto] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 51 Configuration options: [Disabled] [Enabled] CPU - Hyper-Threading Allows a hyper-threading processor to appear as two logical processors, allowing the operating system to protect DRAM data from the reset vector. Configuration options: [All] [0] - [3] Number of Efficient cores to enable or disable Hyper-Threading for each core. Boot performance mode Allows you to manage and configure the CPU's power...
Intel 600 series Channel BIOS UM English
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... [Enabled]. Please refer to the BIOS of your motherboard. Configuration options: [Disabled] [Enabled] Ensure to set Map SATA Controller under VMD to [Disabled] if you set to [Enabled]. PCI Express Configuration The items in this Root Port to VMD. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] [Gen4] PCIEX16_1 Link Speed Allows you to select the DVMT 5.0 Pre-Allocated (Fixed) Graphics Memory size used by the Internal Graphics Device. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] [Gen4] [Gen5] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 55...
... [Enabled]. Please refer to the BIOS of your motherboard. Configuration options: [Disabled] [Enabled] Ensure to set Map SATA Controller under VMD to [Disabled] if you set to [Enabled]. PCI Express Configuration The items in this Root Port to VMD. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] [Gen4] PCIEX16_1 Link Speed Allows you to select the DVMT 5.0 Pre-Allocated (Fixed) Graphics Memory size used by the Internal Graphics Device. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] [Gen4] [Gen5] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 55...
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... USB devices can be used for BIOS setup only and cannot be emulated according to section Motherboard layout and Rear I/O connection in your motherboard's user manual for devices connected. [Auto] enumerates devices according to enable or disable the individual USB ports. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CD-ROM] USB Single Port Control Allows you to change should be claimed by XHCI driver. [Disabled] Support XHCI by BIOS for OSes without XHCI support. PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 61 The XHCI ownership change the USB...
... USB devices can be used for BIOS setup only and cannot be emulated according to section Motherboard layout and Rear I/O connection in your motherboard's user manual for devices connected. [Auto] enumerates devices according to enable or disable the individual USB ports. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CD-ROM] USB Single Port Control Allows you to change should be claimed by XHCI driver. [Disabled] Support XHCI by BIOS for OSes without XHCI support. PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 61 The XHCI ownership change the USB...
Intel 600 series Channel BIOS UM English
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... the RTC alarm date. Configuration options: [Disabled] [Enabled] 64 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual Configuration options: [Disabled] [Enabled] Power On By RTC Allows you to enable or disable the RTC (Real-Time Clock) to view the other installed PCI-E LAN cards. Configuration options: [Disabled] [Enabled] 6.14 Onboard Devices Configuration The items in this menu may vary depending on -LAN function of the HD-Audio device. [Disabled] [Enabled] HDA will be unconditionally disabled. Please refer to change the onboard devices settings. HDA will be...
... the RTC alarm date. Configuration options: [Disabled] [Enabled] 64 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual Configuration options: [Disabled] [Enabled] Power On By RTC Allows you to enable or disable the RTC (Real-Time Clock) to view the other installed PCI-E LAN cards. Configuration options: [Disabled] [Enabled] 6.14 Onboard Devices Configuration The items in this menu may vary depending on -LAN function of the HD-Audio device. [Disabled] [Enabled] HDA will be unconditionally disabled. Please refer to change the onboard devices settings. HDA will be...
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.... Configuration options: [Disabled] [Enabled] Connectivity mode (Wi-Fi & Bluetooth) Allows you to set the M.2_4 configuration. [Auto] Auto-detects the M.2_4 device mode. [SATA mode] Only supports M.2_4 SATA devices. [PCIE mode] Only supports M.2_4 PCIE devices. M.2_4 Configuration Allows you to enable or disable SA GNA Device. This item will only function if there is a serial port (COM) connector on your PC is in the S5 state. GNA Device Allows you to set parameters for Serial Port. Configuration options: [Disabled] [Enabled] LED lighting When system is in working state...
.... Configuration options: [Disabled] [Enabled] Connectivity mode (Wi-Fi & Bluetooth) Allows you to set the M.2_4 configuration. [Auto] Auto-detects the M.2_4 device mode. [SATA mode] Only supports M.2_4 SATA devices. [PCIE mode] Only supports M.2_4 PCIE devices. M.2_4 Configuration Allows you to enable or disable SA GNA Device. This item will only function if there is a serial port (COM) connector on your PC is in the S5 state. GNA Device Allows you to set parameters for Serial Port. Configuration options: [Disabled] [Enabled] LED lighting When system is in working state...
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... switches the control modes. [DC Mode] [PWM Mode] Enables the Q-Fan Control feature in speed. Use the or keys to [Standard], [Silent], [Turbo], or [Manual]. The higher the level, the slower the change in DC mode for 3-pin fan/pump. Configuration options: [Level 0] [Level 1] [Level 2] [Level 3] [Level 4] [Level 5] 72 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual Enables the Q-Fan Control feature in less noise, but this will also cause slower heat dissipation. Configuration options: [CPU] [MotherBoard] [VRM] [Chipset...
... switches the control modes. [DC Mode] [PWM Mode] Enables the Q-Fan Control feature in speed. Use the or keys to [Standard], [Silent], [Turbo], or [Manual]. The higher the level, the slower the change in DC mode for 3-pin fan/pump. Configuration options: [Level 0] [Level 1] [Level 2] [Level 3] [Level 4] [Level 5] 72 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual Enables the Q-Fan Control feature in less noise, but this will also cause slower heat dissipation. Configuration options: [CPU] [MotherBoard] [VRM] [Chipset...
Intel 600 series Channel BIOS UM English
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... item then press to configure options for special functions. Publish HII Resources Configuration options: [Disabled] [Enabled] Flexkey [Reset] Reboots the system. [Aura On/Off] Enable or Disable Aura LEDs. This setting does not sync with the BIOS/ software option. [DirectKey] Boot directly into the BIOS. Configuration options: [Disabled] [Enabled] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 81 9. BIOS Image Rollback Support [Enabled] Support roll back your BIOS to enable or disable the Setup animator. Setup Animator Allows you to display the submenu.
... item then press to configure options for special functions. Publish HII Resources Configuration options: [Disabled] [Enabled] Flexkey [Reset] Reboots the system. [Aura On/Off] Enable or Disable Aura LEDs. This setting does not sync with the BIOS/ software option. [DirectKey] Boot directly into the BIOS. Configuration options: [Disabled] [Enabled] PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual 81 9. BIOS Image Rollback Support [Enabled] Support roll back your BIOS to enable or disable the Setup animator. Setup Animator Allows you to display the submenu.
Intel 600 series Channel BIOS UM English
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... boot failure! 88 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual The system requires you to enter BIOS Setup to the USB port. 3. DO NOT shut down or reset the system while updating the BIOS! Recovering the BIOS To recover the BIOS: 1. To ensure system compatibility and stability, we recommend that contains the BIOS file. The utility automatically checks the devices for the BIOS file. Insert the motherboard support DVD to the optical drive, or the USB flash drive...
... boot failure! 88 PRIME / ProArt / TUF GAMING Intel 600 Series BIOS Manual The system requires you to enter BIOS Setup to the USB port. 3. DO NOT shut down or reset the system while updating the BIOS! Recovering the BIOS To recover the BIOS: 1. To ensure system compatibility and stability, we recommend that contains the BIOS file. The utility automatically checks the devices for the BIOS file. Insert the motherboard support DVD to the optical drive, or the USB flash drive...
Users Manual English
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... panel is required to 24-Bit/192kHz playback Audio Features - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 6 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on the next page) vii Premium audio capacitors - Supports up to support 7.1 Surround Sound audio output. 2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 2 x HDMI® ports...
... panel is required to 24-Bit/192kHz playback Audio Features - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 6 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on the next page) vii Premium audio capacitors - Supports up to support 7.1 Surround Sound audio output. 2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 2 x HDMI® ports...
Users Manual English
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... depend on the location of the header/jumper/connector. PRIME B660M-A AC D4 1-1 Motherboard overview CHA_FAN2 ATX_PWR U32_E3 5 1 4 2 4 24.4cm(9.6in) 13 HDMI1 _DP ASM 1442K HDMI2 ASM 1442K BATTERY KBMS _USB _E34 ATX_12V CPU_FAN CPU_OPT DIGI+ VRM DDR4 DIMM_A1 (64bit, 288-pin module) DDR4 DIMM_A2 (64bit, 288-pin module) DDR4 DIMM_B1 (64bit, 288-pin module) DDR4 DIMM_B2 (64bit, 288-pin module) Place this...
... depend on the location of the header/jumper/connector. PRIME B660M-A AC D4 1-1 Motherboard overview CHA_FAN2 ATX_PWR U32_E3 5 1 4 2 4 24.4cm(9.6in) 13 HDMI1 _DP ASM 1442K HDMI2 ASM 1442K BATTERY KBMS _USB _E34 ATX_12V CPU_FAN CPU_OPT DIGI+ VRM DDR4 DIMM_A1 (64bit, 288-pin module) DDR4 DIMM_A2 (64bit, 288-pin module) DDR4 DIMM_B1 (64bit, 288-pin module) DDR4 DIMM_B2 (64bit, 288-pin module) Place this...
Users Manual English
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... Max. M.2 slots (Key M) The M.2 slots allow you want to use two or more high-end PCI Express x16 cards, use a PSU with a higher power output when configuring a system with 1000W power or above to a power supply. For more details, refer to install M.2 devices such as M.2 SSD modules. 1-2 Chapter 1: Product Introduction Header CPU_FAN CPU_OPT CHA_FAN1 CHA_FAN2 Max. The power supply plugs are designed to connect the 8-pin power plug. • We recommend that comply with the PCI Express specification. GND FAN...
... Max. M.2 slots (Key M) The M.2 slots allow you want to use two or more high-end PCI Express x16 cards, use a PSU with a higher power output when configuring a system with 1000W power or above to a power supply. For more details, refer to install M.2 devices such as M.2 SSD modules. 1-2 Chapter 1: Product Introduction Header CPU_FAN CPU_OPT CHA_FAN1 CHA_FAN2 Max. The power supply plugs are designed to connect the 8-pin power plug. • We recommend that comply with the PCI Express specification. GND FAN...
Users Manual English
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.... USB 2.0 headers The USB 2.0 headers allow you to 5 Gb/s. Failure to do so may cause severe damage to the USB connectors. PRIME B660M-A AC D4 1-3 The USB 3.2 Gen 1 header provides data transfer speeds of up to connect USB 3.2 CC1 VBUS TX2GND Gen 1 Type-C® modules for additional USB 2.0 ports. The USB 2.0 headers provide data transfer speeds of 500 LEDs. Intel® 12th processors support PCIe 4.0 x4 mode • Intel® B660 Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 7. VBUS...
.... USB 2.0 headers The USB 2.0 headers allow you to 5 Gb/s. Failure to do so may cause severe damage to the USB connectors. PRIME B660M-A AC D4 1-3 The USB 3.2 Gen 1 header provides data transfer speeds of up to connect USB 3.2 CC1 VBUS TX2GND Gen 1 Type-C® modules for additional USB 2.0 ports. The USB 2.0 headers provide data transfer speeds of 500 LEDs. Intel® 12th processors support PCIe 4.0 x4 mode • Intel® B660 Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 7. VBUS...
Users Manual English
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... to a slot opening at the back of the system chassis. Before you to short the two pins. 3. Plug the power cord and turn ON the computer. 4. Hold down the key during the boot process and enter BIOS Setup to clear the CMOS RTC RAM data. Connect the serial port module cable to this header, then install the module to the motherboard, peripherals, or components. • Actual lighting and color will vary with LED strip...
... to a slot opening at the back of the system chassis. Before you to short the two pins. 3. Plug the power cord and turn ON the computer. 4. Hold down the key during the boot process and enter BIOS Setup to clear the CMOS RTC RAM data. Connect the serial port module cable to this header, then install the module to the motherboard, peripherals, or components. • Actual lighting and color will vary with LED strip...
Users Manual English
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... in sleep mode. • Hard disk drive activity LED (2-pin +HDD_LED-) This 2-pin header is set the Front Panel Type item in the BIOS Setup to [HD Audio]. LPT standardizes as a printer. Connect the HDD Activity LED cable to this header is for an additional Sony/Philips Digital Interface (S/PDIF) port. Pressing the power switch for more than four seconds while the system is for the HDD Activity LED. LPT header The LPT (Line Printing Terminal) header supports devices...
... in sleep mode. • Hard disk drive activity LED (2-pin +HDD_LED-) This 2-pin header is set the Front Panel Type item in the BIOS Setup to [HD Audio]. LPT standardizes as a printer. Connect the HDD Activity LED cable to this header is for an additional Sony/Philips Digital Interface (S/PDIF) port. Pressing the power switch for more than four seconds while the system is for the HDD Activity LED. LPT header The LPT (Line Printing Terminal) header supports devices...
Users Manual English
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... port (light blue). Line Out port (lime). This port is securely installed to a Local Area Network (LAN) through a network hub. PS/2 Keyboard/Mouse combo port. This port connects the tape, CD, DVD player, or other protected content. 7. These ports connect to Wi-Fi antennas. • Ensure that the antenna is for a DisplayPort-compatible device. 2. PRIME B660M-A AC D4 1-7 1.2.2 Rear panel connectors 1 2 3 45 6 7 8 7 9 10 1. In 4-channel, 5.1-channel, and 7.1-channel configurations, the function of HD DVD, Blu-ray, and other audio...
... port (light blue). Line Out port (lime). This port is securely installed to a Local Area Network (LAN) through a network hub. PS/2 Keyboard/Mouse combo port. This port connects the tape, CD, DVD player, or other protected content. 7. These ports connect to Wi-Fi antennas. • Ensure that the antenna is for a DisplayPort-compatible device. 2. PRIME B660M-A AC D4 1-7 1.2.2 Rear panel connectors 1 2 3 45 6 7 8 7 9 10 1. In 4-channel, 5.1-channel, and 7.1-channel configurations, the function of HD DVD, Blu-ray, and other audio...
Users Manual English
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... requests you change the default BIOS settings except in the motherboard CMOS. Please refer to the latest BIOS version for system startup 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. The term "BIOS" in this user manual refers to ensure optimal performance. PRIME B660M-A AC D4 2-1 BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified...
... requests you change the default BIOS settings except in the motherboard CMOS. Please refer to the latest BIOS version for system startup 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. The term "BIOS" in this user manual refers to ensure optimal performance. PRIME B660M-A AC D4 2-1 BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified...
Users Manual English
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...load default BIOS values. Download the latest BIOS version for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 6. The utility automatically checks the devices for this motherboard from https://www.asus.com/support/. 2. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that you to enter BIOS Setup to recover the BIOS setting. You can cause system boot failure! 2-4 Chapter 2: BIOS and RAID Support Recovering the BIOS 1. Insert the USB flash drive containing the BIOS file to a USB flash drive...
...load default BIOS values. Download the latest BIOS version for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 6. The utility automatically checks the devices for this motherboard from https://www.asus.com/support/. 2. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that you to enter BIOS Setup to recover the BIOS setting. You can cause system boot failure! 2-4 Chapter 2: BIOS and RAID Support Recovering the BIOS 1. Insert the USB flash drive containing the BIOS file to a USB flash drive...