AMD Zen 5-based CPUs becoming enabled in Linux
The next-generation AMD Zen 5-based CPUs are starting to become enabled in Linux, as the company prepares for a commercial launch in the near future. Previously codenamed 'Granite Ridge,' the Ryzen and EPYC processors based on the microarchitecture are set to arrive in 2024, and will be part of the Ryzen 8000 series.The initial patches submitted by AMD provide a small glimpse into the server CPUs, but don’t offer many more details than we already know. The first three patches include new PCI IDs for AMD’s Family 26 processors, thermal sensor support, and the EDAC AMD64 driver for memory error detection and correction.
The EDAC driver reveals that the Family 26 processors will have a maximum of 12 memory channels, similar to AMD’s Genoa and Bergamo CPUs. It’s possible that this will change when the chips arrive in the market, but it’s unlikely.
We don’t yet know whether the Zen 5-based processors will continue to use AMD’s existing server platform, or introduce a new one. The upcoming memory module standards, such as MR-DIMMs and MCR-DIMMs, will likely require platform-level support, which is something that will need to be baked into the company’s next-generation server platform.
While these new patches don’t reveal many new details about the Ryzen and EPYC processors based on Zen 5, their inclusion in Linux does suggest that AMD is preparing to test and launch the CPUs commercially. We’ll be sure to keep you updated on all the latest news, so stay tuned.
