No Ultrafast boot with Samsung M.2 970 EVO

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   I had a B250 with an Adata XPG M.2 set to Ultrafast and it worked perfectly until the SSD totally failed (even stopped POST activity). I replaced the Adata SSD with a Samsung 970 EVO M.2 (PCIe 3.0 x4 just like the Adata). It only goes to the BIOS on startup with the board set to Ultrafast. I tried a SATA SSD and Ultrafast works. I then put the Samsung into a Z370M board and Ultrafast boot again causes it to just go to the BIOS screen. Any guesses why the Samsung won't work where the Adata did? Is it a setting? Is it a bad drive? 
Other than not working with ultrafast boot, the Samsung drive appears to work perfectly. I miss the ultrafast boot, but at least my apps load really quickly and even big documents save quickly.
Adata has mailed the replacement XPG so I will soon try that in place of the Samsung.

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FijiJohn Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Mar 2017 Location: Fiji Status: Offline Points: 12	Post Options Post Reply Quote FijiJohn Report Post Thanks(0) Quote Reply Topic: No Ultrafast boot with Samsung M.2 970 EVO Posted: 18 Dec 2018 at 6:08am
	I had a B250 with an Adata XPG M.2 set to Ultrafast and it worked perfectly until the SSD totally failed (even stopped POST activity). I replaced the Adata SSD with a Samsung 970 EVO M.2 (PCIe 3.0 x4 just like the Adata). It only goes to the BIOS on startup with the board set to Ultrafast. I tried a SATA SSD and Ultrafast works. I then put the Samsung into a Z370M board and Ultrafast boot again causes it to just go to the BIOS screen. Any guesses why the Samsung won't work where the Adata did? Is it a setting? Is it a bad drive? Other than not working with ultrafast boot, the Samsung drive appears to work perfectly. I miss the ultrafast boot, but at least my apps load really quickly and even big documents save quickly. Adata has mailed the replacement XPG so I will soon try that in place of the Samsung.
	John