Can you check whether you have RAID controller on a integrated slot or on a PCIe Slot? If it is on a PCIe Slot then you can try disabling that slot in BIOS.
What server model are you working with? You should be able to go into the embedded SATA settings and set them to AHCI. RAID On is the setting that would enable the software controller. If you can share your server model, I'd be happy to be more specific.
Hi May I ask why you want to disable Integrated RAID controller on iDRAC 9”? If you don’t wish to use, you could simply take out the H/W, I was thinking. Have a great one and let us know if you have any further questions!
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Hello, I'm assuming you have iDRAC9 you can check on iDRAC "configuration>BIOS settings>integrated devices>slot disablement or "F2 system setup>BIOS>integrated devices>slot disablement
Enables or disables the available PCIe slots on your system. The slot disablement feature controls the configuration of the PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheral card prevents booting into the operating system or causes delays in system startup. If the slot is disabled, both the Option ROM and UEFI drivers are disabled. Only slots that are present on the system are available for control. https://dell.to/3H4oEZH
Hope that helps!
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Posted January 31st, 2021 22:00
Can you check whether you have RAID controller on a integrated slot or on a PCIe Slot? If it is on a PCIe Slot then you can try disabling that slot in BIOS.