ASUS P9D-C-4L User Manual
![ASUS P9D-C-4L Motherboard manual cover](/images/TyUWvhUSZnhDQcWqwgleDLaK/thumbs/thumb175x175.webp)
To update the BIOS, download the latest BIOS version from the ASUS support website. Copy the BIOS file to a USB drive, enter the BIOS setup utility by pressing 'Del' during boot, and select the 'EZ Flash Utility' under the 'Tools' menu. Follow the on-screen instructions to complete the update.
Check all power connections to the motherboard, ensure the power supply is working, and verify that the power button on the case is functioning. Additionally, inspect for any visible damage on the motherboard and test with minimum hardware components installed.
To reset the CMOS, turn off the power and unplug the power cord. Locate the CMOS jumper on the motherboard and move it from the default position (1-2) to the reset position (2-3) for a few seconds, then move it back. Alternatively, remove the CMOS battery for a few minutes before reinserting it.
The ASUS P9D-C-4L motherboard supports DDR3 ECC unbuffered or registered memory. It has four DIMM slots and supports a maximum of 32GB of RAM. Refer to the motherboard manual for specific memory speed and compatibility details.
Enter the BIOS setup by pressing 'Del' during boot. Navigate to the 'Advanced' tab, select 'SATA Configuration', and change the SATA mode to 'RAID'. Save changes and reboot. Use the Intel Rapid Storage Technology option ROM utility to configure your RAID setup during the POST process.
The ASUS P9D-C-4L motherboard supports Intel Xeon E3-1200 v3/v4 series processors and 4th gen Core i3 processors. Ensure the CPU is listed on the ASUS CPU support list for compatibility.
Ensure the RAM modules are properly seated in the DIMM slots. Verify that the memory is compatible with the motherboard specifications. Test each module individually to rule out defective memory and check for any BIOS settings that may limit memory recognition.
Ensure that all case fans are working and properly oriented for optimal airflow. Consider adding more fans or upgrading existing ones. Use quality thermal paste when mounting the CPU cooler, and ensure that cables are managed to avoid obstructing airflow.
Check the SATA power and data cables to ensure they are connected securely. Enter the BIOS setup and verify the SATA mode and drive detection settings. Test the drive in another system or with different cables to rule out hardware issues.
Yes, the ASUS P9D-C-4L motherboard has one PCI Express 3.0 x16 slot for a graphics card. Ensure that the power supply can support the additional power requirements of the graphics card.