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... ATX power connection 2-12 2.1.7 SATA device connection 2-13 2.1.8 Front I/O connector 2-14 2.1.9 Expansion card installation 2-15 2.1.10 Wi-Fi moving antenna installation 2-16 2.1.11 DIMM.2 installation 2-17 2.1.12 ROG FAN CONTROLLER installation 2-19 2.2 BIOS update utility 2-21 2.3 Motherboard rear and audio connections 2-23 2.3.1 Rear I/O connection 2-23 2.3.2 Audio I/O connections 2-25 2.4 Starting up for the first time 2-27 2.5 Turning off the computer 2-27 Chapter 3: BIOS and RAID Support 3.1 Knowing BIOS 3-1 3.2 BIOS setup program 3-2 3.3 ASUS EZ Flash...
... ATX power connection 2-12 2.1.7 SATA device connection 2-13 2.1.8 Front I/O connector 2-14 2.1.9 Expansion card installation 2-15 2.1.10 Wi-Fi moving antenna installation 2-16 2.1.11 DIMM.2 installation 2-17 2.1.12 ROG FAN CONTROLLER installation 2-19 2.2 BIOS update utility 2-21 2.3 Motherboard rear and audio connections 2-23 2.3.1 Rear I/O connection 2-23 2.3.2 Audio I/O connections 2-25 2.4 Starting up for the first time 2-27 2.5 Turning off the computer 2-27 Chapter 3: BIOS and RAID Support 3.1 Knowing BIOS 3-1 3.2 BIOS setup program 3-2 3.3 ASUS EZ Flash...
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ROG CROSSHAIR VIII EXTREME specifications summary CPU Chipset Memory Graphics Expansion Slots Multi-GPU support AMD Socket AM4 for AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series / 2000 Series / 2000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support list. AMD X570 AMD Ryzen™ 5000, and 3000 Series Desktop Processors 4 x DIMM, max. 128GB, DDR4 5000(OC) / 4866(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC...
ROG CROSSHAIR VIII EXTREME specifications summary CPU Chipset Memory Graphics Expansion Slots Multi-GPU support AMD Socket AM4 for AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series / 2000 Series / 2000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support list. AMD X570 AMD Ryzen™ 5000, and 3000 Series Desktop Processors 4 x DIMM, max. 128GB, DDR4 5000(OC) / 4866(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC...
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ROG CROSSHAIR VIII EXTREME specifications summary Storage Ethernet Wireless & Bluetooth USB Total supports 5 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 and 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280, (supports PCIe 4.0 x4 & SATA modes) M.2_2/3 slot (Key M), type 2242/2260/2280, (supports PCIe 4.0 x4 mode) AMD Ryzen™ 5000 G-Series, 4000 G-Series, and 2000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280, (supports PCIe 3.0 x4 & SATA modes) M.2_2/3 slot (Key M), type 2242/2260/2280, (supports PCIe 3.0 x4 mode) AMD Ryzen™ ...
ROG CROSSHAIR VIII EXTREME specifications summary Storage Ethernet Wireless & Bluetooth USB Total supports 5 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 and 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280, (supports PCIe 4.0 x4 & SATA modes) M.2_2/3 slot (Key M), type 2242/2260/2280, (supports PCIe 4.0 x4 mode) AMD Ryzen™ 5000 G-Series, 4000 G-Series, and 2000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280, (supports PCIe 3.0 x4 & SATA modes) M.2_2/3 slot (Key M), type 2242/2260/2280, (supports PCIe 3.0 x4 mode) AMD Ryzen™ ...
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... header Power related 1 x 24-pin Main Power connector 2 x 8-pin +12V Power connector 1 x 6-pin PCIe Graphics Card / PD 3.0 connector Storage related 3 x M.2 slots (Key M) 1 x DIMM.2 slot supports 2 x M.2 slots (Key M) 6 x SATA 6Gb/s ports (continued on the next page) ix LED-illuminated audio jacks - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input - ESS® SABRE9018Q2C DAC/AMP - ROG CROSSHAIR VIII EXTREME specifications summary Audio Back Panel I/O Ports Internal I/O connectors ROG...
... header Power related 1 x 24-pin Main Power connector 2 x 8-pin +12V Power connector 1 x 6-pin PCIe Graphics Card / PD 3.0 connector Storage related 3 x M.2 slots (Key M) 1 x DIMM.2 slot supports 2 x M.2 slots (Key M) 6 x SATA 6Gb/s ports (continued on the next page) ix LED-illuminated audio jacks - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input - ESS® SABRE9018Q2C DAC/AMP - ROG CROSSHAIR VIII EXTREME specifications summary Audio Back Panel I/O Ports Internal I/O connectors ROG...
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... Choke ASUS Q-Design - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - Start button - M.2 Q-Latch - Q-Code - Q-Slot (continued on the next page) x Q-Connector - FlexKey button - Probelt - ROG CROSSHAIR VIII EXTREME specifications summary Internal I/O connectors Special Features USB 1 x USB 3.2 Gen 2x2 connector (support(s) USB Type-C®, PD 3.0 up to DC 5V/3A 60W fast charging technology) 1 x USB 3.2 Gen 2 connector (support(s) USB Type-C®) 2 x USB 3.2 Gen 1 header(s) support(s) additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 header...
... Choke ASUS Q-Design - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - Start button - M.2 Q-Latch - Q-Code - Q-Slot (continued on the next page) x Q-Connector - FlexKey button - Probelt - ROG CROSSHAIR VIII EXTREME specifications summary Internal I/O connectors Special Features USB 1 x USB 3.2 Gen 2x2 connector (support(s) USB Type-C®, PD 3.0 up to DC 5V/3A 60W fast charging technology) 1 x USB 3.2 Gen 2 connector (support(s) USB Type-C®) 2 x USB 3.2 Gen 1 header(s) support(s) additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 header...
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... product performance, integrating ASUS software, and recovery drive creation. xii Please refer to the ASUS website for installation guide and FAQ. ASUS CrashFree BIOS 3 - Please scan the QR Code for the latest specifications. • MyASUS offers a variety of support features such as helping to change without notice. ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode Dynamic OC Switcher 2 x 256 Mb Flash ROM, UEFI AMI BIOS WOL by Dual Intelligent Processors 5 TPU EPU Digi+ Power Control Fan Xpert 4 Turbo app...
... product performance, integrating ASUS software, and recovery drive creation. xii Please refer to the ASUS website for installation guide and FAQ. ASUS CrashFree BIOS 3 - Please scan the QR Code for the latest specifications. • MyASUS offers a variety of support features such as helping to change without notice. ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode Dynamic OC Switcher 2 x 256 Mb Flash ROM, UEFI AMI BIOS WOL by Dual Intelligent Processors 5 TPU EPU Digi+ Power Control Fan Xpert 4 Turbo app...
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...input cable 1 x USB input cable 1 x ROG Fan Controller 3M Mounting tape 1 x Fan Controller manual ROG DIMM.2 with Heatsink 1 x ROG DIMM.2 with heatsink 1 x M.2 pad for ROG DIMM.2 2 x M.2 screw package for ROG DIMM.2 ROG CLAVIS DAC 1 x ROG CLAVIS DAC 1 x CLAVIS DAC manual Miscellaneous 1 x ASUS Wi-Fi moving antennas 2 x M.2 SSD screw package(s) 1 x Q-connector 1 x ROG key chain 1 x ROG Graphics card holder 1 x ROG logo plate stickers 1 x ROG screwdriver 1 x ROG stickers 1 x ROG thank you card Installation Media 1 x USB drive with utilities and drivers Documentation 1 x User manual If...
...input cable 1 x USB input cable 1 x ROG Fan Controller 3M Mounting tape 1 x Fan Controller manual ROG DIMM.2 with Heatsink 1 x ROG DIMM.2 with heatsink 1 x M.2 pad for ROG DIMM.2 2 x M.2 screw package for ROG DIMM.2 ROG CLAVIS DAC 1 x ROG CLAVIS DAC 1 x CLAVIS DAC manual Miscellaneous 1 x ASUS Wi-Fi moving antennas 2 x M.2 SSD screw package(s) 1 x Q-connector 1 x ROG key chain 1 x ROG Graphics card holder 1 x ROG logo plate stickers 1 x ROG screwdriver 1 x ROG stickers 1 x ROG thank you card Installation Media 1 x USB drive with utilities and drivers Documentation 1 x User manual If...
Users Manual English
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... 1 Layout contents 1. USB 3.2 Gen 1 header 14. BIOS Switch button 18. Start button 27. BIOS LED 33. Expansion slots 4. AURA Addressable Gen 2 header 16. Front Panel Audio header 20. Safe Boot button 25. Slow Mode switch 26. Q-Code LED 31. Storage Device Activity LED 34. 8-pin Power Plug LED Page 1-4 1-5 1-7 1-9 1-10 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-16 1-17 1-18 1-19 1-20 1-20 1-21 1-21 1-22 1-23 1-23 1-24 1-24 1-25 1-26 1-27 1-27 1-28 1-29 1-29 1-30 1-30 ROG CROSSHAIR VIII EXTREME...
... 1 Layout contents 1. USB 3.2 Gen 1 header 14. BIOS Switch button 18. Start button 27. BIOS LED 33. Expansion slots 4. AURA Addressable Gen 2 header 16. Front Panel Audio header 20. Safe Boot button 25. Slow Mode switch 26. Q-Code LED 31. Storage Device Activity LED 34. 8-pin Power Plug LED Page 1-4 1-5 1-7 1-9 1-10 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-16 1-17 1-18 1-19 1-20 1-20 1-21 1-21 1-22 1-23 1-23 1-24 1-24 1-25 1-26 1-27 1-27 1-28 1-29 1-29 1-30 1-30 ROG CROSSHAIR VIII EXTREME...
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... G-Series Desktop Processors Slot Description 1. Chapter 1 Recommended VGA configuration AMD Ryzen™ 5000 and 3000 Series Desktop Processors Slot Description 1. PCIe 3.0 x16_2 Single VGA x8 - • We recommend that you provide sufficient power when running SLI® mode. • Ensure to connect the 8-pin power plugs when running SLI® mode. • Connect a chassis fan to the chassis fan connectors when using multiple graphics cards for better thermal environment. • When installing a dual VGA card, we recommend selecting a chassis case which supports 7 or...
... G-Series Desktop Processors Slot Description 1. Chapter 1 Recommended VGA configuration AMD Ryzen™ 5000 and 3000 Series Desktop Processors Slot Description 1. PCIe 3.0 x16_2 Single VGA x8 - • We recommend that you provide sufficient power when running SLI® mode. • Ensure to connect the 8-pin power plugs when running SLI® mode. • Connect a chassis fan to the chassis fan connectors when using multiple graphics cards for better thermal environment. • When installing a dual VGA card, we recommend selecting a chassis case which supports 7 or...
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... CHA_FAN2P can support ASUS HYDRANODE fans. ROG CROSSHAIR VIII EXTREME 1-9 Do not place jumper caps on the fan headers! • Ensure the cable is connected to the RAD_FAN header on your motherboard. Power Default Speed CPU_FAN 1A 12W Q-Fan Controlled CPU_OPT 1A 12W Q-Fan Controlled CHA_FAN1P 1A 12W Q-Fan Controlled CHA_FAN2P 1A 12W Q-Fan Controlled RAD_FAN1* 4A 48W Q-Fan Controlled RAD_FAN2* 4A 48W Q-Fan Controlled W_PUMP+_1** 3A 36W Full Speed W_PUMP+_2** 3A 36W Full Speed * Can support up to 4 x Fans(1A...
... CHA_FAN2P can support ASUS HYDRANODE fans. ROG CROSSHAIR VIII EXTREME 1-9 Do not place jumper caps on the fan headers! • Ensure the cable is connected to the RAD_FAN header on your motherboard. Power Default Speed CPU_FAN 1A 12W Q-Fan Controlled CPU_OPT 1A 12W Q-Fan Controlled CHA_FAN1P 1A 12W Q-Fan Controlled CHA_FAN2P 1A 12W Q-Fan Controlled RAD_FAN1* 4A 48W Q-Fan Controlled RAD_FAN2* 4A 48W Q-Fan Controlled W_PUMP+_1** 3A 36W Full Speed W_PUMP+_2** 3A 36W Full Speed * Can support up to 4 x Fans(1A...
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...; These connectors are set , refer to [AHCI] by default. SATA 6Gb/s connector The SATA 6Gb/s connector allows you to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. • If you installed SATA storage devices to the SATA6G_1-4 ports, you intend to create a Serial ATA RAID set using these connectors, set the SATA Mode Selection item in the BIOS to [RAID]. • Before creating a RAID set to the RAID Configuration Guide. ROG CROSSHAIR VIII EXTREME 1-13 Chapter 1 9. If you can download the RAID Configuration Guide from the ASUS website...
...; These connectors are set , refer to [AHCI] by default. SATA 6Gb/s connector The SATA 6Gb/s connector allows you to connect SATA devices such as optical disc drives and hard disk drives via a SATA cable. • If you installed SATA storage devices to the SATA6G_1-4 ports, you intend to create a Serial ATA RAID set using these connectors, set the SATA Mode Selection item in the BIOS to [RAID]. • Before creating a RAID set to the RAID Configuration Guide. ROG CROSSHAIR VIII EXTREME 1-13 Chapter 1 9. If you can download the RAID Configuration Guide from the ASUS website...
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.... DIMM.2 slot The DIMM.2 slot allows you install or remove the DIMM.2 card, ensure that the notch on your card is aligned correctly with the DIMM.2 slot before inserting the card. • DIMM.2_1 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) • DIMM.2_2 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) The M.2 SSD module is detached from the power supply.
.... DIMM.2 slot The DIMM.2 slot allows you install or remove the DIMM.2 card, ensure that the notch on your card is aligned correctly with the DIMM.2 slot before inserting the card. • DIMM.2_1 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) • DIMM.2_2 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) The M.2 SSD module is detached from the power supply.
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... and results to the system's failure to boot up, please contact your BIOS file when you to use BIOS FlashBack™: 1. For more BIOS update utilities in BIOS setup, refer to turn off the light. • Updating BIOS may be interrupted. In case of the USB storage device and filename/file format error. ROG CROSSHAIR VIII EXTREME 2-21 Visit https://www.asus.com/support/ and download the latest BIOS version for five seconds and turns into a solid light, this means that the...
... and results to the system's failure to boot up, please contact your BIOS file when you to use BIOS FlashBack™: 1. For more BIOS update utilities in BIOS setup, refer to turn off the light. • Updating BIOS may be interrupted. In case of the USB storage device and filename/file format error. ROG CROSSHAIR VIII EXTREME 2-21 Visit https://www.asus.com/support/ and download the latest BIOS version for five seconds and turns into a solid light, this means that the...
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... new UEFI BIOS with the help of a trained service personnel. BIOS settings and options may result to instability or boot failure. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-1 In normal circumstances, the default BIOS settings apply to most conditions to the latest BIOS version for system startup in the motherboard CMOS. We strongly recommend that you to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. Inappropriate BIOS settings may...
... new UEFI BIOS with the help of a trained service personnel. BIOS settings and options may result to instability or boot failure. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-1 In normal circumstances, the default BIOS settings apply to most conditions to the latest BIOS version for system startup in the motherboard CMOS. We strongly recommend that you to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. Inappropriate BIOS settings may...
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... BIOS setting, load the default settings to the default value. • The BIOS setup program does not support Bluetooth devices. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, try to clear the CMOS and reset the motherboard to ensure system compatibility and stability. BIOS menu screen The BIOS Setup program can change modes from Setup Mode in using the first two options. Chapter 3 3-2 Chapter 3: BIOS Setup The BIOS screen include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS setup...
... BIOS setting, load the default settings to the default value. • The BIOS setup program does not support Bluetooth devices. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, try to clear the CMOS and reset the motherboard to ensure system compatibility and stability. BIOS menu screen The BIOS Setup program can change modes from Setup Mode in using the first two options. Chapter 3 3-2 Chapter 3: BIOS Setup The BIOS screen include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS setup...
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... Left arrow key to switch to the USB port. 2. Press the Right arrow key to switch to select ASUS EZ Flash 3 Utility and press . 3. Select the Load Optimized Defaults item under the Exit menu or press hotkey . Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to the Folder field. 6. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-3 3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to perform the BIOS update process. Press...
... Left arrow key to switch to the USB port. 2. Press the Right arrow key to switch to select ASUS EZ Flash 3 Utility and press . 3. Select the Load Optimized Defaults item under the Exit menu or press hotkey . Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to the Folder field. 6. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-3 3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to perform the BIOS update process. Press...
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... enters ASUS EZ Flash 3 automatically. 6. Chapter 3 3-4 Chapter 3: BIOS Setup Recovering the BIOS 1. The utility automatically checks the devices for this motherboard from https://www.asus.com/ support/. 2. The system requires you to restore the BIOS file when it fails or gets corrupted during the updating process. You can cause system boot failure! Insert the USB flash drive containing the BIOS file to a USB flash drive. 3. Doing so can restore a corrupted BIOS file using a USB flash drive that you press to load default BIOS...
... enters ASUS EZ Flash 3 automatically. 6. Chapter 3 3-4 Chapter 3: BIOS Setup Recovering the BIOS 1. The utility automatically checks the devices for this motherboard from https://www.asus.com/ support/. 2. The system requires you to restore the BIOS file when it fails or gets corrupted during the updating process. You can cause system boot failure! Insert the USB flash drive containing the BIOS file to a USB flash drive. 3. Doing so can restore a corrupted BIOS file using a USB flash drive that you press to load default BIOS...
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... the QR code. Use two new drives or use an existing drive and three new drives for this setup. The new drive must be calculated and written. RAIDABLE arrays are a special type of Volume (JBOD) that supports Volume, RAIDABLE, RAID 0, RAID 1, and RAID 10 (depends on system licensing) configurations. If one drive fails, the disk array management software directs all the benefits of both RAID 0 and RAID 1 configurations. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-5 The...
... the QR code. Use two new drives or use an existing drive and three new drives for this setup. The new drive must be calculated and written. RAIDABLE arrays are a special type of Volume (JBOD) that supports Volume, RAIDABLE, RAID 0, RAID 1, and RAID 10 (depends on system licensing) configurations. If one drive fails, the disk array management software directs all the benefits of both RAID 0 and RAID 1 configurations. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-5 The...
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... 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) Appendix ROG CROSSHAIR VIII EXTREME...
... 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) Appendix ROG CROSSHAIR VIII EXTREME...
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... into ACPI mode. Interrupt controller is in APIC mode. Appendix A-4 Appendix Interrupt controller is in PIC mode. System has transitioned into ACPI mode. BF D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC Description 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...
... into ACPI mode. Interrupt controller is in APIC mode. Appendix A-4 Appendix Interrupt controller is in PIC mode. System has transitioned into ACPI mode. BF D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC Description 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...