Switching SATA Modes: AHCI to RAID on Dell Data Security Windows Computers

Affected Products:

• Dell Encryption Enterprise
• Dell Encryption Personal
• Dell Data Protection | Enterprise Edition
• Dell Data Protection | Personal Edition

To change the SATA operation mode from AHCI to RAID:

1. Depending on whether AHCI or RAID SATA mode is required, the following registry settings should be enabled or disabled:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\

iastor = 0 (these correlates to the Intel RAID, 3 means off, 0 means on)
iastorv start = 0 (these correlates to Windows RAID, 3 means off, 0 means on)
iaVROC start = 0 (these correlate to the Intel VMD / Intel VROC drivers, 3 means off, 0 means on)
StorAHCI start = 0 (these correlate to the Microsoft AHCI drivers, 3 means off, 0 means on)

2. After changing the registry setting, open an elevated command prompt and run command bcdedit /set {current} safeboot minimal.

Figure 1: (English Only) Run command bcdedit /set {current} safeboot minimal

3. Reboot the computer.
4. On reboot, enter BIOS by pressing F2.

5. In BIOS, modify SATA Operation to AHCI or RAID (depending on the requirement).
6. To disable Intel VMD, find the appropriate technology flag within your BIOS. This may be called Intel VMD, Intel VROC, or may have another similar name. Reference your manufacturer’s documentation for any clarifications that may be needed.

7. Exit the BIOS and restart the computer. Windows automatically boots into safe mode and update the required driver.
8. Still in safe mode, open another command prompt and run command Bcdedit /deletevalue {current} safeboot.

Figure 2: (English Only) Run command Bcdedit /deletevalue {current} safeboot

9. Restart and allow Windows to start.

To contact support, reference Dell Data Security International Support Phone Numbers.
Go to TechDirect to generate a technical support request online.
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