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Graphic card unlock
(Image credit: Github/SergeyDev)

When Nvidia introduced its light hash rate (LHR) GPUs with less Ethereum hash rate, the company was determined to ensure that its GeForce products wouldn’t be used to mine. However, soon after LHR boards were made available, various tools for increasing their mining performance were introduced. Unfortunately, none of them could fully restore the mining power of Nvidia’s GPUs. However, the new tool Nvidia LHR Unlocker is claiming to accomplish this.

The Nvidia RTX LHR Unlocker v2 developed by Sergey (hat thanks to MyDrivers and Videocardz) claims to modify the BIOS on Nvidia GeForce RTX 30 series graphics cards that are based on the Ampere architecture and workstation-grade RTX A-series boards to eliminate mining performance limits that Nvidia added. We use the word “supposedly” since the software isn’t available. Perhaps, more importantly, firmware modifications alone will not restore the full mining performance of GPUs Miners will also need to utilize drivers that Sergey has modified.

RTX 3080 Tiup to 115 MH/s
RTX 3080 LHRup to 100 MH/s
RTX 3070 Tiup to 69 MH/s
RTX 3070 LHRup to 57 MH/s
RTX 3060 Ti LHRup to 61 MH/s
RTX 3060 LHR V2up to 49 MH/s
RTX A5000up to 110 MH/s
RTX A4500not measured
RTX A4000up to 67 MH/s
RTX A2000up to 46 MH/s

“Modifying the BIOS may not be enough to boost your GPU,” the developer explained. “You also require graphics drivers that I have modified. 

They are automatically downloaded and installed within Windows once the program is installed. However, suppose you’re using an alternative OS like HiveOs or HiveOs. then you need to install the drivers manually according to the instructions found in the DRIVER_INSTALATION.txt file in the application installation folder.”

If this seems like a bit too much, you’re not alone in this thought. Nvidia is believed to have implemented LHR locks through drivers and firmware protected by encryption. So it’s no surprise that installing and downloading unknown files downloaded from the Internet can result in Very bad Things(TM) to your computer as well as your data. The old saying, “If you can’t believe it, then for me, it’s probably true” …” is definitely in play.

Sergey intends to launch the Nvidia RTX LHR v2 Unlocker on February 26th, the first public test version. It’s strange to announce an application like this instead of publishing it on GitHub. So far, the tool is said to have been evaluated on a variety of GeForce RTX 30-series and A-series cards. The creator claims that the device can restore the full mining capabilities of these cards.

If it is deemed to end as a legitimate method to unblock all LHR locks, users using the most recent Nvidia drivers may experience up to a 50% increase in hash rates. We’ve observed that despite the prior “fix” to NBminer, which increased performance to 70 percent of the normal rate and more recent driver releases seem to address that and that cards like the 3080 Ti have been boosted 60MH/s or so in Ethereum.

unlock graphic card
(Image credit: Github/SergeyDev)

If we assume that this Nvidia RTX LHR v2 Unlocker tool is compatible with every LHR graphic card, this may significantly influence the market for graphics cards. The Ampere boards from Nvidia will perform full-speed mining, which will raise the demand for such mining boards from mining companies. Nvidia’s GeForce RTX 30 series graphics cards are priced more expensive than their AMD counterparts, probably because large mining organizations have already come up with workarounds.

However, improvements in Ethereum mining performance might not be a big deal in the future. In the next few months, Ethereum will move to Proof of Stake instead of Proof of Work, which means that all GPU miners will require a different currency (coins) to earn cryptocurrency. Other currencies are also compatible with GPUs; however, since their value is tied to Ethereum, it remains to be seen if their mining makes sense financially.

It’s worth noting that cryptocurrency mining’s profitability has been trending down for quite a while. Even a full rate RTX 3080 Ti can only bring in approximately $3.50 every day at the current rate. At present, with the price of GPU on these cards being at $1700 and up, it will take almost 500 days to reach a point of profitability.

Despite the improvements in mining performance and increased profits, We’d recommend letting this one rest for a couple of weeks before giving it another go. At the very least, don’t place it on a device that contains any sensitive data such as the cryptocurrency wallet, email accounts, and so on.

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