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Good evening!

I am attempting to overclock a few of these cards and had no issues with 2 of them, but, the other 4 are causing me fits.

I have 6, Sapphire Nitro+ RX 580 8GB cards, all are exactly the same except that:

The .rom sizes are different in that 2 have the same size (512kb) and the other 4 are 256kb. I am able to flash the bios for the 2, 512kb .rom's using some modded ones I found, but I am unable to use the same file for the other 4 for obvious reasons.

I thought, "well, I can use Polaris and mod the roms myself", but, when I try to edit the bios in Polaris for the 4 256kb rom files, I get this:

This is using Polaris bios editor v1.5 so I haven't a clue as to which straps to adjust or if it's even possible.

For the record, I am using ethOS as the OS for these cards.

Any help would be appreciated if anyone has any experience with this. Thanks!


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