Rx 580 8GB Saphire Nitro + SE

Hello guys.
I have added this card in my new rig, but i only get 18-20 mh/s with this oc
Core 1200, mem 2150 pl 90.
Myb i try with driver update on win10?
And i have 1 x Rx 580 MSI gaming X + version, 8gb but when i connect it in rig, i get error “ Autofan: GPU temperature 511 is unreal, driver error” . I have changes riser but same problem.

bios mod + set appropriate ref values based on memory type to get best results.

511 error is a power delivery error, typically from a burnt/loose power cable but could be other hardware causing the issue.

I have repaired 511 error, now its ok.

Where i can get bios mode for special edition saphire with hynix H5GQ8H24MJR ?

there are many guides how to mod your bios, just search google/youtube for “polaris bios mod” and follow the steps

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