AMD will launch AGESA BIOS motherboard firmware update to solve the burning problem of Ryzen 7000 processors

IT House News on May 1, as a response to the Ryzen 7000X3D CPU burnout incident, AMD released AGESA firmware to rescue these CPUs. At present, ASUS and other brands have released BETA BIOS updates for AM5 motherboards to prevent AMD Ryzen 7000 CPUs from being burned due to voltage problems.

According to KEPC, the AMD AGESA BIOS firmware is not just a voltage limitation, but has made it mandatory for all Ryzen 7000 CPU users to upgrade after the AGESA BIOS update is released to avoid burnout issues.

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According to the motherboard manufacturer, the new firmware does not just limit the SOC voltage to 1.3V, but also modifies the two mechanisms of PROCHOT Control and PROCHOT Deassertion Ramp Time related to thermal limitation. Ryzen 7000X3D users must update to AGESA BIOS.

According to reports, PROCHOT Control is a safety function related to CBS and SMU COMMON, designed to prevent the processor from overheating. A PROCHOT signal is sent by the CPU or other system components when the temperature of the processor reaches a critical value. Then reduce the power of the processor to reduce the temperature and prevent possible losses. PROCHOT Deassertion Ramp Time is the definition of the time required for the processor to return to normal power after a PROCHOT overheat signal has occurred. The time interval required for the processor to gradually increase its power and return to normal operation after the temperature returns below the critical value.

As it stands now, AGESA is more conservative in PROCHOT convenience, the voltage and temperature thresholds related to PROCHOT and SOC/IMC will be greatly reduced, and the time interval for consumption recovery will be longer. This means that the CPU burning event is not only caused by voltage, but also factors such as imperfect thermal management, but it will take some time to verify whether the problem is really resolved.

At present, major motherboard manufacturers have released emergency BIOS updates, but only to limit the SOC voltage, so is AMD’s official solution. AMD has provided motherboard manufacturers with BETA versions for internal testing, and the official version is expected to be released on May 6.

IT House translated the original words of the AMD spokesperson as follows:

We have identified the root cause of the issue and have released a new AGESA to tighten certain power controls on AM5 boards to prevent the CPU from running beyond its specification limits, including capping the SOC voltage to 1.3V. None of these changes will affect the ability of our Ryzen 7000-series processors to overclock memory using the EXPO or XMP kits or increase performance using PBO technology.

We hope all ODM partners will release new BIOS versions for their AM5 motherboards in the next few days. We recommend that all users check their motherboard manufacturer’s website and update their BIOS to ensure their system has the latest firmware.

Users of any CPU that may be affected by this issue should contact AMD Customer Service Support. Our customer service team is aware of this situation and is prioritizing these cases.

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