ASUS X99-A User Manual
![ASUS X99-A Motherboard manual cover](/images/agxGBoLRBMNzBkjAbJHGxtVh/thumbs/thumb175x175.webp)
To update the BIOS, download the latest BIOS update file from the ASUS support website. Copy the file to a USB drive formatted in FAT32. Restart your computer and enter the BIOS setup by pressing the 'Delete' key during boot. Navigate to the 'Tool' menu and select 'ASUS EZ Flash 2 Utility'. Choose the USB drive and the BIOS file to begin the update process.
First, ensure that all power connections are secure. Check that the RAM and CPU are correctly seated. Clear the CMOS by removing the battery for a few minutes or using the clear CMOS jumper. If the system still does not boot, try booting with minimal hardware (CPU, one RAM stick, and GPU) to isolate the issue.
Yes, the ASUS X99-A motherboard supports M.2 SSDs. It features an M.2 slot that supports both PCIe and SATA modes. Ensure that your M.2 SSD is compatible with the slot specifications and configure the BIOS settings accordingly for optimal performance.
To enable XMP, restart your computer and enter the BIOS setup by pressing the 'Delete' key during boot. Go to the 'AI Tweaker' menu and find the 'AI Overclock Tuner' option. Set it to 'XMP'. Save and exit the BIOS to apply the changes.
Check that all RAM modules are properly seated in the slots. Verify that the RAM modules are compatible with the motherboard. Try testing each module individually in different slots to rule out faulty memory or slots. Update the BIOS to the latest version for improved memory compatibility.
To reset to default settings, enter the BIOS setup by pressing the 'Delete' key during boot. In the BIOS, go to the 'Exit' menu and select 'Load Optimized Defaults'. Confirm the action and save changes to reset the motherboard to factory settings.
The ASUS X99-A motherboard supports up to 64GB of DDR4 RAM across its 8 DIMM slots. Ensure the RAM modules are compatible and follow the recommended memory configuration for optimal performance.
Enter the BIOS setup by pressing the 'Delete' key during boot. Navigate to the 'Advanced' tab and select 'SATA Configuration'. Set the SATA mode to 'RAID'. Save changes and exit the BIOS. During boot, press 'Ctrl + I' to enter the RAID configuration utility and set up your desired RAID array.
Ensure the graphics card is properly seated and the monitor is correctly connected. Check that the power cables to the GPU are secure. Test with another monitor or cable if possible. If the issue persists, try a different PCIe slot for the graphics card.
Ensure that all case fans are properly installed and functioning. Consider upgrading to higher quality or additional fans for better airflow. Reapply thermal paste on the CPU if necessary. Ensure cables are managed to not obstruct airflow.