Users Manual English
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... the purchaser for which is repaired, modified or altered, unless such repair, modification of ASUSTeK COMPUTER INC. ("ASUS"). No part of the product for backup purposes, without intent to the source code of such software and/or other Free Open Source Software Licenses. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT...
... the purchaser for which is repaired, modified or altered, unless such repair, modification of ASUSTeK COMPUTER INC. ("ASUS"). No part of the product for backup purposes, without intent to the source code of such software and/or other Free Open Source Software Licenses. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT...
Users Manual English
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... 1-1 1.2 Motherboard layout 1-2 1.3 Central Processing Unit (CPU 1-4 1.4 System memory 1-5 1.5 Expansion slots 1-7 1.6 Onboard buttons 1-9 1.7 Onboard switches 1-12 1.8 Onboard jumpers 1-12 1.9 Onboard LEDs 1-13 1.10 Internal connectors 1-15 Chapter 2: Basic Installation 2.1 Building your PC system 2-1 2.1.1 CPU installation 2-1 2.1.2 Cooling system installation 2-2 2.1.3 Motherboard installation 2-5 2.1.4 DIMM installation 2-6 2.1.5 ATX power connection 2-7 2.1.6 SATA device connection 2-7 2.1.7 Front I/O connector 2-8 2.1.8 Expansion card installation...
... 1-1 1.2 Motherboard layout 1-2 1.3 Central Processing Unit (CPU 1-4 1.4 System memory 1-5 1.5 Expansion slots 1-7 1.6 Onboard buttons 1-9 1.7 Onboard switches 1-12 1.8 Onboard jumpers 1-12 1.9 Onboard LEDs 1-13 1.10 Internal connectors 1-15 Chapter 2: Basic Installation 2.1 Building your PC system 2-1 2.1.1 CPU installation 2-1 2.1.2 Cooling system installation 2-2 2.1.3 Motherboard installation 2-5 2.1.4 DIMM installation 2-6 2.1.5 ATX power connection 2-7 2.1.6 SATA device connection 2-7 2.1.7 Front I/O connector 2-8 2.1.8 Expansion card installation...
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ROG CROSSHAIR VIII IMPACT specifications summary CPU Chipset Memory Expansion slots AMD AM4 Socket for 3rd and 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors* * Refer to www.asus.com for the AMD CPU support list. AMD X570 3rd Gen AMD Ryzen™ Processors 2 x DIMM, max. 64GB, DDR4 4800+(O.C.) / 4600(O.C.) / 4533(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3200 / 3000 / 2933 / 2800 / 2666...
ROG CROSSHAIR VIII IMPACT specifications summary CPU Chipset Memory Expansion slots AMD AM4 Socket for 3rd and 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors* * Refer to www.asus.com for the AMD CPU support list. AMD X570 3rd Gen AMD Ryzen™ Processors 2 x DIMM, max. 64GB, DDR4 4800+(O.C.) / 4600(O.C.) / 4533(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3200 / 3000 / 2933 / 2800 / 2666...
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... devices support AMD X570 chipset - 4 x SATA 6Gb/s ports - ROG CROSSHAIR VIII IMPACT specifications summary Storage LAN Wireless Data Network Bluetooth Audio 3rd Gen AMD Ryzen™ Processors - 1 xM.2 Socket 3 with M Key, type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors - 1 x M .2 Socket 3 with MU-MIMO supports dual frequency band 2.4/5GHz Supports channel bandwidth: HT20/HT40/HT80/HT160 Up to 2.4Gbps transfer speed Bluetooth v5.0 ROG SupremeFX 8-Channel High...
... devices support AMD X570 chipset - 4 x SATA 6Gb/s ports - ROG CROSSHAIR VIII IMPACT specifications summary Storage LAN Wireless Data Network Bluetooth Audio 3rd Gen AMD Ryzen™ Processors - 1 xM.2 Socket 3 with M Key, type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors - 1 x M .2 Socket 3 with MU-MIMO supports dual frequency band 2.4/5GHz Supports channel bandwidth: HT20/HT40/HT80/HT160 Up to 2.4Gbps transfer speed Bluetooth v5.0 ROG SupremeFX 8-Channel High...
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...Mode - Sonic Studio III + Sonic Studio Virtual Mixer - OptiMem III Extreme Tweaker ROG Exclusive Software - CPU-Z - Safe Boot button - MicroFine Alloy Choke - ROG CROSSHAIR VIII IMPACT specifications summary USB ROG Exclusive Features 3rd Gen AMD Ryzen™ Processors - 2 x USB 3.2 Gen 2 ports (2 ports at back panel, Type-A [red]) - 2 x USB 3.2 Gen 1 ports (2 ports at back panel, Type-A [blue]) 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors - 4 x USB 3.2 Gen 1 ports (4 ports at back panel, Type-A) AMD X570 chipset - 1 x USB...
...Mode - Sonic Studio III + Sonic Studio Virtual Mixer - OptiMem III Extreme Tweaker ROG Exclusive Software - CPU-Z - Safe Boot button - MicroFine Alloy Choke - ROG CROSSHAIR VIII IMPACT specifications summary USB ROG Exclusive Features 3rd Gen AMD Ryzen™ Processors - 2 x USB 3.2 Gen 2 ports (2 ports at back panel, Type-A [red]) - 2 x USB 3.2 Gen 1 ports (2 ports at back panel, Type-A [blue]) 2nd Gen AMD Ryzen™ / 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors - 4 x USB 3.2 Gen 1 ports (4 ports at back panel, Type-A) AMD X570 chipset - 1 x USB...
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... Gen 1 header supports additional 2 USB 3.2 Gen1 ports 1 x NODE connector 4 x SATA 6Gb/s connectors 2 x M.2 Socket 3 for M Key, type 2242/2260/2280 storage devices support 1 x 4-Pin CPU_Fan connector 1 x 4-Pin CHA_Fan connector 1 x 4-Pin W_PUMP+ connector 2 x 4-Pin RAD_FAN connectors 1 x 3-Pin W_FLOW connector 1 x 2-Pin W_IN connector 1 x 2-Pin W_OUT connector 1 x T_SENSOR connector 1 x 24-pin EATX power connector 1 x 8-pin EATX 12V power connector 1 x Start button 1 x Safe Boot button 1 x Retry button 1 x LN2 mode jumper 1 x Slow mode switch 1 x System panel connector 1 x Front panel audio...
... Gen 1 header supports additional 2 USB 3.2 Gen1 ports 1 x NODE connector 4 x SATA 6Gb/s connectors 2 x M.2 Socket 3 for M Key, type 2242/2260/2280 storage devices support 1 x 4-Pin CPU_Fan connector 1 x 4-Pin CHA_Fan connector 1 x 4-Pin W_PUMP+ connector 2 x 4-Pin RAD_FAN connectors 1 x 3-Pin W_FLOW connector 1 x 2-Pin W_IN connector 1 x 2-Pin W_OUT connector 1 x T_SENSOR connector 1 x 24-pin EATX power connector 1 x 8-pin EATX 12V power connector 1 x Start button 1 x Safe Boot button 1 x Retry button 1 x LN2 mode jumper 1 x Slow mode switch 1 x System panel connector 1 x Front panel audio...
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...17 ROG CROSSHAIR VIII IMPACT 1-3 CPU socket 2. Power button 6. SATA 6Gb/s connector 9. Node connector 14. PCH Fan connector 23. Front Panel Audio connector 30. USB 3.2 Gen 1 connector 7. LN2 Mode jumper 15. USB 2.0 connector 17. USB BIOS Flashback™ button 29. Power connectors 5. Safe Boot button 12. HS Fan connector 25. Chapter 1 Layout contents 1. Fan and Pump connectors 3. DIMM slots 4. ReTry button 11. Water Cooling System connectors 18. Addressable Gen2 LED connector 19. SO-DIMM2 slot 21. Q-Code LED 26. Clear CMOS button 27. Reset button...
...17 ROG CROSSHAIR VIII IMPACT 1-3 CPU socket 2. Power button 6. SATA 6Gb/s connector 9. Node connector 14. PCH Fan connector 23. Front Panel Audio connector 30. USB 3.2 Gen 1 connector 7. LN2 Mode jumper 15. USB 2.0 connector 17. USB BIOS Flashback™ button 29. Power connectors 5. Safe Boot button 12. HS Fan connector 25. Chapter 1 Layout contents 1. Fan and Pump connectors 3. DIMM slots 4. ReTry button 11. Water Cooling System connectors 18. Addressable Gen2 LED connector 19. SO-DIMM2 slot 21. Q-Code LED 26. Clear CMOS button 27. Reset button...
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...SATA storage devices, you can download the RAID Configuration Guide from the ASUS website. You can create a RAID 0, 1, and 10 configuration through the onboard AMD X570 chipset. • These connectors are set , refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. Chapter 1 1.10 Internal connectors 1. ROG CROSSHAIR VIII IMPACT 1-15 If you to the RAID Configuration Guide. SATA 6Gb/s connector The SATA 6Gb/s connector allows you intend to create a Serial ATA RAID set using these connectors, set the SATA Mode Selection item in the BIOS...
...SATA storage devices, you can download the RAID Configuration Guide from the ASUS website. You can create a RAID 0, 1, and 10 configuration through the onboard AMD X570 chipset. • These connectors are set , refer to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. Chapter 1 1.10 Internal connectors 1. ROG CROSSHAIR VIII IMPACT 1-15 If you to the RAID Configuration Guide. SATA 6Gb/s connector The SATA 6Gb/s connector allows you intend to create a Serial ATA RAID set using these connectors, set the SATA Mode Selection item in the BIOS...
Users Manual English
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... installation of interruption, please follow the steps again. • If the light flashes for better compatibility and stability. 2. 2.2 BIOS update utility USB BIOS Flashback™ USB BIOS Flashback™ allows you to use USB BIOS Flashback™: 1. In case of the USB storage device and filename/file format error. If the BIOS program is updated automatically. To use a USB 2.0 storage device to the USB port, press the USB BIOS Flashback™ button for this motherboard. 3. Visit https://www.asus.com/support/ and download the latest BIOS version...
... installation of interruption, please follow the steps again. • If the light flashes for better compatibility and stability. 2. 2.2 BIOS update utility USB BIOS Flashback™ USB BIOS Flashback™ allows you to use USB BIOS Flashback™: 1. In case of the USB storage device and filename/file format error. If the BIOS program is updated automatically. To use a USB 2.0 storage device to the USB port, press the USB BIOS Flashback™ button for this motherboard. 3. Visit https://www.asus.com/support/ and download the latest BIOS version...
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... power management, and boot device configuration that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-1 Chapter 3: BIOS Setup BIOS Setup 3.1 Knowing BIOS 3 The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that are needed for this user manual refers to instability or boot failure. DO NOT change the default BIOS settings except in the following circumstances: • An error...
... power management, and boot device configuration that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-1 Chapter 3: BIOS Setup BIOS Setup 3.1 Knowing BIOS 3 The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that are needed for this user manual refers to instability or boot failure. DO NOT change the default BIOS settings except in the following circumstances: • An error...
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... arrow keys or / keys to the removable storage device. You cannot select an item that do not fit on the screen. Search (F9) This button allows you last modified and saved in the menu and change the settings. General help At the bottom of the menu screen is a brief description of the ASUS support website. ROG CROSSHAIR VIII IMPACT 3-5 Use the navigation keys to select items in BIOS Setup. Last Modified button This button...
... arrow keys or / keys to the removable storage device. You cannot select an item that do not fit on the screen. Search (F9) This button allows you last modified and saved in the menu and change the settings. General help At the bottom of the menu screen is a brief description of the ASUS support website. ROG CROSSHAIR VIII IMPACT 3-5 Use the navigation keys to select items in BIOS Setup. Last Modified button This button...
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... code and CPU temperature on the Q-Code LED. [Auto] Show POST (Power-On Self-Test) code on Self Test) when an error occurs in the hard disks. Functional LEDs will be enabled, RGB LEDs will be disabled. HD Audio Controller This item allows you to use the Azalia High Definition Audio Controller Configuration options: [Disabled] [Enabled] RGB LED lighting When system is in this menu allow you to switch between PCIe Lanes and configure onboard devices. Q-Code LED Function [Disabled] Q-Code LED will be enabled. Configuration options: [Disabled] [Enabled] 3.6.4 Onboard Devices...
... code and CPU temperature on the Q-Code LED. [Auto] Show POST (Power-On Self-Test) code on Self Test) when an error occurs in the hard disks. Functional LEDs will be enabled, RGB LEDs will be disabled. HD Audio Controller This item allows you to use the Azalia High Definition Audio Controller Configuration options: [Disabled] [Enabled] RGB LED lighting When system is in this menu allow you to switch between PCIe Lanes and configure onboard devices. Q-Code LED Function [Disabled] Q-Code LED will be enabled. Configuration options: [Disabled] [Enabled] 3.6.4 Onboard Devices...
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... before the AC power loss. Configuration options: [Disabled] [Enabled] Power On By RTC This item allows you to enable or disable the RTC (Real-Time Clock) to get the system ready for ErP requirement. Configuration options: [Disabled] [Enabled] Chapter 3 3-18 Chapter 3: BIOS Setup ErP Ready This item allows you to switch off . Configuration options: [Disabled] [Enabled] 3.6.6 PCI Subsystem Settings Allows you to [Enabled], all other installed PCI-E LAN cards. When set system wake and sleep settings. When enabled, you can set the days...
... before the AC power loss. Configuration options: [Disabled] [Enabled] Power On By RTC This item allows you to enable or disable the RTC (Real-Time Clock) to get the system ready for ErP requirement. Configuration options: [Disabled] [Enabled] Chapter 3 3-18 Chapter 3: BIOS Setup ErP Ready This item allows you to switch off . Configuration options: [Disabled] [Enabled] 3.6.6 PCI Subsystem Settings Allows you to [Enabled], all other installed PCI-E LAN cards. When set system wake and sleep settings. When enabled, you can set the days...
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... only when you set the Launch CSM to its normal boot speed. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from Storage Devices This item allows you to select the type of the BIOS after POST. [EZ Mode] This item allows you want to launch. Configuration options: [Legacy only] [UEFI driver first] Chapter 3 ROG CROSSHAIR VIII IMPACT 3-21 Boot Configuration Fast Boot [Disabled] [Enabled] Allows your system to fully support the various VGA, bootable devices and add-on devices or the Windows® UEFI mode.
... only when you set the Launch CSM to its normal boot speed. Configuration options: [Ignore] [Legacy only] [UEFI driver first] Boot from Storage Devices This item allows you to select the type of the BIOS after POST. [EZ Mode] This item allows you want to launch. Configuration options: [Legacy only] [UEFI driver first] Chapter 3 ROG CROSSHAIR VIII IMPACT 3-21 Boot Configuration Fast Boot [Disabled] [Enabled] Allows your system to fully support the various VGA, bootable devices and add-on devices or the Windows® UEFI mode.
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... start booting from unauthorized access and malwares during system startup, press when the ASUS Logo appears. Configuration options: [Reset] [Aura On/Off] [DirectKey] [Safe Boot] 3.9.1 ASUS EZ Flash 3 Utility This item allows you to display the submenu. Boot Override These items displays the available devices. Configuration options: [Enabled] [Disabled] Flexkey This item allows you to assign a different function to section 3.11.2 ASUS EZ Flash 3. The number of device items that appears on the screen...
... start booting from unauthorized access and malwares during system startup, press when the ASUS Logo appears. Configuration options: [Reset] [Aura On/Off] [DirectKey] [Safe Boot] 3.9.1 ASUS EZ Flash 3 Utility This item allows you to display the submenu. Boot Override These items displays the available devices. Configuration options: [Enabled] [Disabled] Flexkey This item allows you to assign a different function to section 3.11.2 ASUS EZ Flash 3. The number of device items that appears on the screen...
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... , a confirmation window appears. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-25 Select OK to discard changes and exit. Discard Changes & Exit This option allows you to enable Armoury Crate download Process. Select Yes to load the default values. 3.9.6 ASUS Armoury Crate This item allows you to load the optimal default values for each of the available filesystem devices. Select OK to download ASUS Armoury Crate. Configuration options: [Disabled] [Enabled] 3.10 Exit menu The Exit menu items...
... , a confirmation window appears. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-25 Select OK to discard changes and exit. Discard Changes & Exit This option allows you to enable Armoury Crate download Process. Select Yes to load the default values. 3.9.6 ASUS Armoury Crate This item allows you to load the optimal default values for each of the available filesystem devices. Select OK to download ASUS Armoury Crate. Configuration options: [Disabled] [Enabled] 3.10 Exit menu The Exit menu items...
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... field. 7. To update the BIOS by USB: 1. Press to switch to the Drive field. 5. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-27 Updating through the Internet. Check your local Internet connection before updating through the Internet varies per region and Internet conditions. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 3. 3.11.2 ASUS EZ Flash 3 ASUS EZ Flash 3 allows you to download and update to the...
... field. 7. To update the BIOS by USB: 1. Press to switch to the Drive field. 5. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-27 Updating through the Internet. Check your local Internet connection before updating through the Internet varies per region and Internet conditions. Press the Up/Down arrow keys to find the BIOS file, and then press to the USB port. 3. 3.11.2 ASUS EZ Flash 3 ASUS EZ Flash 3 allows you to download and update to the...
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... BIOS To recover the BIOS: 1. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 4. The system requires you to enter BIOS Setup to the USB port. 3. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that you press to load default BIOS values. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-29 DO NOT shut down or reset the system while updating the BIOS! The BIOS file in the motherboard support DVD...
... BIOS To recover the BIOS: 1. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 4. The system requires you to enter BIOS Setup to the USB port. 3. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that you press to load default BIOS values. Chapter 3 ROG CROSSHAIR VIII IMPACT 3-29 DO NOT shut down or reset the system while updating the BIOS! The BIOS file in the motherboard support DVD...
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... is started IDE Reset IDE Detect IDE Enable SCSI initialization is started SCSI Reset SCSI Detect SCSI Enable Setup Verifying Password Start of Setup Reserved for ASL (see ASL Status Codes section below) Setup Input Wait Reserved for ASL (see ASL Status Codes section below) Ready To Boot event Legacy Boot event Exit Boot Services event Runtime Set Virtual Address MAP Begin Runtime Set Virtual Address MAP End Legacy Option ROM Initialization System Reset (continued on the next page) ROG CROSSHAIR VIII IMPACT A-3
... is started IDE Reset IDE Detect IDE Enable SCSI initialization is started SCSI Reset SCSI Detect SCSI Enable Setup Verifying Password Start of Setup Reserved for ASL (see ASL Status Codes section below) Setup Input Wait Reserved for ASL (see ASL Status Codes section below) Ready To Boot event Legacy Boot event Exit Boot Services event Runtime Set Virtual Address MAP Begin Runtime Set Virtual Address MAP End Legacy Option ROM Initialization System Reset (continued on the next page) ROG CROSSHAIR VIII IMPACT A-3
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... USB hot plug PCI bus hot plug Clean-up from the S3 sleep state System is waking up of NVRAM Configuration Reset (reset of NVRAM settings) Reserved for future AMI codes CPU initialization error System Agent initialization error PCH initialization error Some of Resources No Space for Legacy Option ROM No Console Output Devices are found No Console Input Devices are found Invalid password Error loading Boot Option (LoadImage returned error) Boot Option is failed (StartImage returned error) Flash update is failed Reset...
... USB hot plug PCI bus hot plug Clean-up from the S3 sleep state System is waking up of NVRAM Configuration Reset (reset of NVRAM settings) Reserved for future AMI codes CPU initialization error System Agent initialization error PCH initialization error Some of Resources No Space for Legacy Option ROM No Console Output Devices are found No Console Input Devices are found Invalid password Error loading Boot Option (LoadImage returned error) Boot Option is failed (StartImage returned error) Flash update is failed Reset...