NVIDIA RTX LHR BIOS v2 Unlocker: un-gimps crypto mining on Ampere GPUs

NVIDIA RTX LHR v2 Unlocker lets you modify your BIOS on RTX 30 + Workstation RTX Ampere GPUs and removes mining hashrate limiter.

@anthony256
Published Tue, Feb 22 2022 7:22 PM CST   |   Updated Sat, Mar 19 2022 4:37 AM CDT

NVIDIA refreshed its Ampere cards last year with the LHR variant, otherwise known as Lite Hash Rate, gimped for crypto mining... but not anymore, well, it seems so at least.

NVIDIA RTX LHR BIOS v2 Unlocker: un-gimps crypto mining on Ampere GPUs 01 | TweakTown.com
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Now we have Sergey releasing his new "NVIDIA RTX LHR v2 Unlocker" tool that will unlock the crypto mining performance on NVIDIA's GeForce RTX 30 series and Workstation RTX Ampere GPUs. There have been previous 'solutions' to un-gimping LHR cards, but this reportedly unlocks the "full mining performance" according to MyDrivers.

The way this new tool works is that the software implements a modification extracted from BIOSes that are detected by mining operating systems like HiveOS. The modification is then added into the BIOS of cards that have limited hash rate performance, while the new Unlocker software modifies, flashes, and gives you a backup of your BIOS. It's safe, and reversible, says Sergey.

  • RTX 3060 LHR V2 - up to 49 MH/s
  • RTX 3060 Ti LHR - up to 61 MH/s
  • RTX 3070 LHR - up to 57 MH/s
  • RTX 3070 Ti - up to 69 MH/s
  • RTX 3080 LHR - up to 100 MH/s
  • RTX 3080 Ti - up to 115 MH/s
  • RTX A2000 - up to 46 MH/s
  • RTX A4000 - up to 67 MH/s
  • RTX A4500 - not measured
  • RTX A5000 - up to 110 MH/s
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You will need a special driver that is available on a private server, but with a custom non-standard BIOS and drivers I think you'll be un-gimping LHR-based cards... sure... but they probably can't be easily used for gaming and other tasks.

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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