Samsung 860 Evo M.2 no show in BIOS

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   Dear Anju84,

Greetings, this is ASRock TSD.

Because Samsung 860 EVO M.2 is a SATA type SSD, it only works on M2_2 slot; the M2_1 slot (the one close to the CPU socket) is designed for PCIE type M.2 SSD.

Please refer to the detail information from below link:
https://www.asrock.com/MB/AMD/B450M%20Pro4/index.asp#Specification

For your system, please install the M.2 device to another M.2 slot(M2_2) to check if it works.

Thanks!

All the best,
ASRock TSD

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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: 8787	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: Samsung 860 Evo M.2 no show in BIOS Posted: 24 Sep 2019 at 5:02pm
	Dear Anju84, Greetings, this is ASRock TSD. Because Samsung 860 EVO M.2 is a SATA type SSD, it only works on M2_2 slot; the M2_1 slot (the one close to the CPU socket) is designed for PCIE type M.2 SSD. Please refer to the detail information from below link: https://www.asrock.com/MB/AMD/B450M%20Pro4/index.asp#Specification For your system, please install the M.2 device to another M.2 slot(M2_2) to check if it works. Thanks! All the best, ASRock TSD

Anju84 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Nov 2017 Status: Offline Points: 12	Post Options Post Reply Quote Anju84 Report Post Thanks(0) Quote Reply Posted: 24 Sep 2019 at 4:47pm
	Hello guys, Today I install my brand new 860 EVO on my B450M Pro4, but it didn?�t show in BIOS!! Only general 3.5 inch HDD is working well. Re-plug is no help. I'm not sure whether can be this issue. Please provide some advice, thanks!