ASRock Z270 Extreme 4 SATA issue

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   Dear fliptwister,

Thank you for contacting ASRock.

We have built a system to verify, we install the M.2 SSD in M2_1 and SATA HDD SSD at SATA3_4, SATA3_5.
BIOS can detect all three storage device.
http://imgur.com/BhYWf3V
Please check your storage configuration setting in BIOS.
http://imgur.com/sVCfYzt
Set "M2_2/SATA3_4_5 Switch" from "Auto" to "Force_SATA" to verify.

Thank you!
Yours truly,
ASRock TSD

Edited by ASRock_TSD - 09 May 2017 at 4:24pm

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8907	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: ASRock Z270 Extreme 4 SATA issue Posted: 09 May 2017 at 4:22pm
	Dear fliptwister, Thank you for contacting ASRock. We have built a system to verify, we install the M.2 SSD in M2_1 and SATA HDD SSD at SATA3_4, SATA3_5. BIOS can detect all three storage device. http://imgur.com/BhYWf3V Please check your storage configuration setting in BIOS. http://imgur.com/sVCfYzt Set "M2_2/SATA3_4_5 Switch" from "Auto" to "Force_SATA" to verify. Thank you! Yours truly, ASRock TSD Edited by ASRock_TSD - 09 May 2017 at 4:24pm

fliptwister Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 May 2017 Status: Offline Points: 4	Post Options Post Reply Quote fliptwister Report Post Thanks(0) Quote Reply Posted: 05 May 2017 at 12:05am
	I have installed everything and computer performs great. I understand that the M.2 slots share lanes with the SATA connectors. I'm only using the M.2_1 slot for the 960 Evo. There is nothing in the M.2_2 slot. The manual says the M.2 2 slot shares lanes with the SATA_4 and SATA_5 connectors. With nothing in the M.2_2 slot I'm not able to see any drives in my bios when I connect to SATA_4 and SATA_5 connectors. Does anyone here know how to resolve this? Thank you!
	ASRock Z270 Extreme 4 i5-7600K @ 4.7 GHz Noctua NH-U14S Cooler ASUS GeForce GTX 970 Strix Samsung 960 Evo G.Skill Ripjaw V Series 16GB Fractal Design Define R5 Case EVGA SuperNOVA 750G2 PS