AMD Ryzen 5000 ZEN 3 Desktop CPUs Can Run On Select 300-Series Motherboards With Just A BIOS Update

The latest ZEN 3 AMD Ryzen 5000 Series desktop-grade CPUs will work on the latest 500-Series motherboards and also the 400-series. Support for the older 300-series motherboards wasn’t assured. However, select A320 and X370 motherboards will feature full support for AMD Ryzen 5000 Desktop CPUs. Additionally, AMD’s board partners Gigabyte and ASUS have already released BETA BIOS support for the new ZEN 3 based processors.

The AMD Ryzen 5000 Series of CPUs will be slotted inside the highly mature AM4 socket. However, this doesn’t mean all motherboards with an AM4 socket will be able to accept the latest ZEN 3-based processors. Still, an experimental Beta BIOS update has enabled the older A320 and X370 motherboards to accept and run the new AMD CPUs.

AMD Ryzen 5000 Desktop CPUs Running on A320 and X370 Motherboards With 400-Series Getting BIOS Support:

According to a new report, the older AMD 300-series motherboards can fully support the Ryzen 5000 series processors. To prove the possibility, an AMD Ryzen 5000 Series CPU has been shown running on an entry-level ASRock A320M-HDV motherboard. The report adds that the motherboard not only accepted the new CPU but also ran reliably.

[Image Credit: WCCFTech]
The 300-Series motherboard was shown running an AMD Ryzen 9 5900X 12 Core 24 Thread processor with 16 GB of DDR4 memory. The older motherboard even supported AMD’s Ryzen 4000G Renoir APUs. What this indicates is that AMD motherboard partners already have BIOS updates for X370 A320 motherboards in the pipeline.

However, these partners will not release the BIOS updates anytime soon. This is because AMD has officially stated that Ryzen 5000 Desktop CPUs will be only supported by 400 and 500-series motherboards. Moreover, the company indicated that at launch, only the new 500-Series motherboards will reliably run the new ZEN 3-based Ryzen 5000 Series of CPUs. Support for the 400-Series of motherboards will officially arrive early next year.

Experimental BETA BIOS For 300-Series Motherboards Included with The Existing AGESA Code:

According to recent claims, the BETA BIOS for AMD 300-Series of motherboards is included with the existing AGESA code. The motherboard fully supports the Ryzen 5000 CPU. However, being a very old generation, the PCIe Gen 4 remained disabled, with PCIe Gen 3 working.

[Image Credit: WCCFTech]
It is important to note that AMD motherboards are primarily limited by the size or capacity of the onboard ROM. What this means is that to accommodate the newer AM4 ZEN 3-based AMD Ryzen 5000 Series desktop-grade CPUs, the motherboard manufacturers will have to eliminate support for the older generations of AMD CPUs. The most obvious CPUs that will have to be eliminated are the AMD Ryzen 1000 Desktop CPUs.

This essentially means many older AMD motherboards with AM4 sockets should be able to run reliably with the new AMD Ryzen 5000 Series of CPUs. However, it appears AMD is pressuring AIBs to limit the rollout of updated BIOS that removes support for the old AMD CPUs and includes support for AMD Ryzen 5000 Series.

Alap Naik Desai
A B.Tech Plastics (UDCT) and a Windows enthusiast. Optimizing the OS, exploring software, searching and deploying solutions to strange and weird issues is Alap's main interest.

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AMD Ryzen 5000 ZEN 3 Desktop CPUs Can Run On Select 300-Series Motherboards With Just A BIOS Update

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