Testing the Matrix 800W BIOS on the 5090 Astral: What Happens?

Flashing the Matrix BIOS to the Astral Card

• ⚠️ The video demonstrates the process of attempting to install the Matrix 800W BIOS onto an Nvidia GeForce RTX 5090 Astral graphics card.
• 💡 The creator emphasizes that this is a "do not do" procedure, and any resulting damage is the user's responsibility.
• 🛠️ The process involves using GPUZ to extract the original BIOS and NVFlash to flash the new BIOS, with a warning about potential sub-ID mismatches.

Results of the Matrix BIOS Flash

• ❌ Upon flashing, the card was not recognized correctly, resulting in no sound and a generic VGA adapter display in Windows.
• 📉 While GPUZ identified it as a 5090, 3D functionality was disabled, indicating a partial but non-functional state.
• 🧩 This failure is attributed to potential checksums or security checks between ASUS products, preventing the modified BIOS from enabling full functionality.

Testing the XOC BIOS and Overclocking

• 🚀 The creator then flashes the card back to its stock BIOS and proceeds to install an unofficial "XOC" (Extreme Overclock) BIOS.
• 📈 This XOC BIOS allows for significantly higher power limits, demonstrated by pushing the card to pull over 800 watts, then nearly 1000 watts.
• ⚠️ Pushing the card to extreme power levels (800W+) resulted in thermal shutdown, highlighting the risks and the card's inability to sustain such high power draws.

Conclusion and Warnings

• 🚫 The experiment confirms that flashing the Matrix BIOS to the Astral card does not work and results in a non-functional state.
• 💡 The creator advises users to leave their graphics card BIOS stock unless they are prepared to accept the significant risks of bricking the hardware.
• ⚠️ Tinkering with BIOS settings on expensive hardware like the 5090 is strongly discouraged due to the high probability of failure and damage.