peterde
1 Copper

Aurora R5, new SSD, should I change from RAID to AHCI?

I have an Aurora R5 that came installed with a 256GB SSD (C drive) and a 1 TB HDD (D drive). I recently added a third drive, a Samsung 860 EVO SSD (F drive). I noticed that my Intel RST was not running so I reinstalled it from support before reading about ACHI drivers. In my BIOS the drives are set to RAID. Should I change it to AHCI, because from what I read SSD do better set to AHCI. How do I do this without a complete reinstall? Everything seems to be working right now.

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4 Replies
GTS81
3 Zinc

Re: Aurora R5 and new SSD, should I change from RAID to AHCI?

Yes you should. Please google raid to ahci for instructions to force safe boot so that windows will auto detect missing ahci driver and install it and then you can turn off safe boot again.
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amstel78
3 Argentium

Re: Aurora R5 and new SSD, should I change from RAID to AHCI?

My theory is that because Optane is a BTO option that requires Intel RST drivers, Dell ships all systems with RAID on in the BIOS even if your system doesn't actually have a RAID array configured or Optane installed. 

Unless your system actually takes advantage of either raid based technologies, it's best to keep things set to AHCI because RST drivers can do weird crap sometimes. 

peterde
1 Copper

Re: Aurora R5 and new SSD, should I change from RAID to AHCI?

I did that. Now should I disable the intel rapid storage technology app?

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amstel78
3 Argentium

Re: Aurora R5 and new SSD, should I change from RAID to AHCI?

Yes, you can uninstall the Intel RST drivers at this point.

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