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Summary

This video guides users through the process of flashing a custom BIOS onto an ASUS RTX 570 Ti GPU to unlock better performance without spending extra money on a higher-end model. The presenter demonstrates the use of the NVFlash tool to install a custom BIOS from another variant (ASUS TUF) and compares the performance and power limits of different BIOS versions. Despite the TUF BIOS having a lower power limit, it achieves better performance than the stock BIOS, making it a cost-effective upgrade for users seeking higher performance from their graphics card.

Takeaways

• 😀 Flashing your GPU's BIOS can potentially improve performance but comes with risks, including potential damage to the card.
• 😀 Always back up your current BIOS and ensure you're flashing with the correct version for your card model.
• 😀 The nvflash tool is used to overwrite the existing BIOS with a newer or different version, such as the ASUS Tough BIOS for better performance.
• 😀 The process of flashing requires running commands with administrative privileges, and you need to confirm BIOS overrides.
• 😀 After flashing, a restart is needed to re-enable drivers and restore full functionality, as flashing temporarily disables the driver.
• 😀 Flashing a cheaper card with a better BIOS can give you the same performance as a more expensive model without the higher cost.
• 😀 You should verify the BIOS variant before flashing; even small differences, like sub-ID variants, can impact performance.
• 😀 The power limits set by the new BIOS might differ. In this case, the Tough BIOS had a lower power limit (330W) than the Prime BIOS (350W), but it still outperformed it.
• 😀 MSI Afterburner will initially show all zeros after flashing, indicating that the driver has been disabled and needs to be reset after a restart.
• 😀 Performance improvements after flashing include higher boost clock speeds (2588 MHz in this case) compared to the original card's stock settings (2452 MHz).
• 😀 The moral of the story is to buy the less expensive card, flash it with the better-performing BIOS, and avoid spending more money on the higher-end model.

Q & A

What is the primary objective of flashing a different BIOS to the graphics card?

The main goal of flashing a different BIOS is to unlock higher performance settings, such as increased boost clocks and better power limits, without having to purchase a more expensive model.

What are the risks associated with flashing a custom BIOS to a GPU?

Flashing a custom BIOS can potentially lead to system instability or 'bricking' the GPU if not done correctly, making it a risky operation that should be approached with caution.

What is NVFlash, and how is it used in the BIOS flashing process?

NVFlash is a utility used to flash (or overwrite) the BIOS on NVIDIA graphics cards. It requires running specific command-line commands to flash the BIOS and can be used to override the default BIOS with a custom one.

How does the user ensure the BIOS is correctly flashed to the GPU?

The user ensures the BIOS is correctly flashed by using NVFlash with commands like 'nvflash64 -d -override sub' followed by the BIOS file. They also confirm compatibility with a prompt asking if they want to override the existing BIOS.

What differences did the user find between the two ASUS Tough BIOS variants (2E vs. 2F)?

The two ASUS Tough BIOS variants (2E and 2F) had similar performance and power limits, both offering a 330W power limit. However, the user found no major performance difference between the two BIOS variants.

What was the user's observation regarding the power limits of the Prime and Tough BIOSes?

The user noticed that the Tough BIOS had a lower power limit (330W) compared to the Prime BIOS, which had a 350W limit. However, the Tough BIOS still provided better performance despite the lower power limit.

Why does the user recommend buying the cheaper card and flashing it with a better BIOS?

The user recommends buying the cheaper card and flashing it with a better BIOS because it allows the user to achieve better performance at a lower cost, without the need to buy a more expensive model.

What is the purpose of the 'sub' override flag used in the NVFlash command?

The 'sub' override flag in the NVFlash command ensures that the BIOS flashing process will proceed even if there is a mismatch in the sub-IDs between the current card's BIOS and the new BIOS being flashed.

What are the potential benefits of flashing a different BIOS to a GPU as demonstrated in the script?

The potential benefits include a higher boost clock (e.g., 2588 MHz instead of 2452 MHz), a more efficient power limit, and improved overall performance, without the added expense of purchasing a more expensive GPU model.

How does flashing a custom BIOS impact the GPU's stability and performance?

Flashing a custom BIOS can lead to more stable overclocking, better performance, and higher power limits. However, it can also introduce instability if the new BIOS is not well-matched to the GPU model, necessitating careful testing after the flash.