Question ASRock B550M Steel Legend SATA3 drives no longer detected in BIOS

Jan 16, 2021
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Latest BIOS v1.80, installed an SSD, HDD and ODD to ports 1, 2, and 4, respectively. NVME drive as boot is OK. Has been running perfect for about 3 weeks until suddenly BIOS doesn't recognize the SATA3 drives anymore. Tried clearing CMOS and flashing the BIOS with no change. Tried replacing SATA and power cables same results. As example the ODD has power, so I assume the SSD and HDD have too. Any help appreciated.
 
Jan 16, 2021
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No yellow signs, just standard NVME and Microsoft controllers. I don't know what other controller should be there as I didn't check when systems were working normally.
 
Jan 16, 2021
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  • Ryzen 7 3700X
  • DeepCool Gammaxx 400
  • ASRock B550M Steel Legend
  • Corsair LPX 3200 16Gb
  • Sapphire Pulse RX 5600 XT
  • Adata XPG SX8200 Pro 256Gb
  • Samsung 850 EVO 250Gb
  • Seagate Barracuda 2Tb SATA3 7200
  • LiteOn DVDRW SATA OEM
  • Corsair CX650M
 
Those parts should work together. Do you have "AMD StoreMI" enabled?
Have you tried booting with the mechanical HDD disconnected, just to see if that make any difference?
Have you tried switching the Adata SSD to the 2nd M.2 socket to see if that make any difference?
 
Jan 16, 2021
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Yes, they worked fine for the past 3 weeks. Where is AMD StoreMI located? I have tried disconnecting drives and trying each 1-by-1, no change. I have not tried moving the NVME.
 
Feb 3, 2021
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M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.

maybe thats your problem...
 

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