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Sapphire Nitro+ RX 470 8GB OC Bios Flash / Mod Tutorial (Hynix, Samsung)


Here comes another tutorial, this time i will show you how to modify the Sapphire Nitro+ RX 470 8GB OC’s BIOS and Flash it with ATIflash to get a better mining hashrate! My previous tutorial was about the 4GB version and it can be found at this link!

Once again i spent days to find what would bring this card to the top and hopefully one of this BIOS will give you a better mining hashrate!

If flashing BIOS goes wrong like power down, pc shutdown, blue/black/white screen.. no worries, in this tutorial you will find how to recover the GPU

To remove all doubts about the GPU model, the ROM is for this version only

RX 470 8GB OCPrice Tracker

Sapphire Radeon NITRO+ Rx 470 8GB GDDR5 Dual HDMI / DVI-D / Dual DP OC w/ backplate (UEFI) PCI-E Graphics Card Graphics Cards 11256-02-20G, Althon Micro Inc.

 
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Let’s get started!

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1 Tools and Software needed

Sapphire RX 470 Nitro+ OC 8GB Modded Bios for Samsung & Hynix
NOTE: I already did a similar tutorial for a RX 470 4GB and i will link some points there to avoid writing the same thing over and over again!
2 Backup OC (default) BIOS

3 BIOS Switch

4 Backup “Silent” BIOS

Before to continue further, please share this 🙂 thanks!

5 Modify “Silent” BIOS

  • Point 5 from previous tutorial: click here
  • Skip Timings step and use one of the following values for both Samsung or Hynix Memory:
  • V1: copy timings from 1500 to 1625, 1750 and 2000
  • V2: copy timings from 1625 to 1750 and 2000
  • V3: custom BIOS by Anoraks

Download ready made V1: Samsung or Hynix Memory

Download ready made V2: Samsung or Hynix Memory

Download Custom: Samsung 1500, 1625, 1750 or Hynix Memory

6 Flash BIOS with ATiflash

VERY IMPORTANT: Always extract ATIflash to C:/atiflash folder and place the ROM file that needs to be flashed in the same directory

That’s it 🙂 Play with the clocks, lower the mV and get the best hashrate and consumption of your card. And remember if something goes wrong while or after flashing the card, no worries, in this tutorial you will find how to recover a “bricked” GPU. https://1stminingrig.com/how-to-fix-re-flash-bios-of-bricked-gpu-on-rx-470-480-series/

PLEASE COMMENT BELOW YOUR RESULTS!

Happy mining!

Thank you for reading. As always, your comments, suggestions and questions are welcome.

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