hi, which driver do you use? i have a rig and all cards has moded bios
1x rx 480 8gb sapphire nitro oc
2x rx 470 8gb sapphire nitro oc
1x rx 470 4gb sapphire nitro oc
1x rx 570 4gb impulse
before the rx 570 with the driver 16.11.3 worked perfect but i windows 10 not recognized. rx 570 it's seen like "standard vga graphics adapter" also i tried with 17.4.3 driver rx 570 ok but other cards not recognized

i tired many things.. I'm gonna mad!
lastly, i tried this;
https://www.techpowerup.com/228536/amd-bios-signature-check-re-enabled-with-relive-locks-out-polaris-bios-modders?cp=3#commentsdo you know any solutions?
Good speeds!! Do OC in all gpus ?
I know its not apples to apples (hynix vs micron, and 2050 vs 2040), but you'll see my hashrates are pretty constant between RX470 and RX570.
GPU #0 = MSI RX 470 4G HYNIX @ 1140/2050
GPU #1 = MSI RX 570 4G MICRON @ 1140/2040
GPU #2 = MSI RX 570 4G MICRON @ 1140/2040
GPU #3 = MSI RX 570 4G MICRON @ 1140/2040
ETH - Total Speed: 29.463 Mh/s, Total Shares: 7, Rejected: 0, Time: 00:09