These are set across several families (A-Series, Zen, Zen APU, Zen+, Zen+ APU, Zen2, Zen2 APU, etc), each with their own AGESA platform to deal with, which all has to go into the BIOS. It is believed however that if most of the vendors are onboard straightaway, then the rest will follow. All of this takes up space, and some vendors ditched the fancy graphics in order to support more processors.Most AMD motherboards are outfitted with 128 megabit (16 megabyte) BIOS chips. "We expect this to repeat with Ryzen 4000. Recently, AMD unveiled their upcoming AM4 B550 chipsets in the AMD Ryzen™ Spring 2020 Desktop Update, and enthusiasts have more than one thing to be eager about. This made a number of users immediately very concerned, especially if they had purchased a B450 or X470 motherboard with a Ryzen 3000 processor with the hopes to upgrade it in the future.AMD came under a lot of fire.
" Get instant access to breaking news, in-depth reviews and helpful tips.IN a Q&A, Schenker's rep said that "it’s already been confirmed that AM4 socket and B450 chipset will be compatible with some (if not all) future Ryzen 4000 SKUs. "The AM4 socket and B450 chipset are confirmed to be able to support future AMD Ryzen 4000 Desktop CPUs," the rep wrote. B450 and X470 chipsets WILL support AMD Ryzen 4000 processors Oh AMD, you flip-floppy old fish (don’t worry, we love you). If they’re not willing to complicate matters with this BIOS fork, then unfortunately you are out of luck. We are also in the era of graphical interface BIOSes, and as a result some of the BIOS code was reserved for fancy menus and the ability to adjust fan curves or update the BIOS in a more intuitive way. AMD’s B450 and X470 motherboards were listed as supporting Ryzen 1000/2000/3000, but not the future Zen3-based Ryzen 4000 processors. AMD’s B450 and X470 motherboards were listed as supporting Ryzen 1000/2000/3000, but not the future Zen3-based Ryzen 4000 processors. This is what makes it such a tight squeeze.As a result AMD initially made the decision that the B450/X470 motherboards would support the Ryzen 1000, Ryzen 2000, and Ryzen 3000 processors, but would not be able to support any more due to this limit. Part of this issue stems from an old CPU line not having the growth room, and the believed that pushing support for Zen 3 to the 500-series wouldn’t be that big of an issue. I purchased a B450 Mortar Max and Ryzen 3600 based on the assumption I'll be getting another generation of processors on the platform. In this event, I asked AMD if they would be expanding the Boot Kit program as they did with Ryzen 2000, and lending CPUs to users that needed them to update. Not only does the B550 chipset support the yet to be announced AMD Ryzen 4000 CPUs, but it also promises noteworthy features that set it apart from the previous AMD B450 motherboards. To cut a long story short, the TL;DR mantra from AMD is:As most motherboards have 16 MB, and the CPUs can only address the first 16 MB of a BIOS chip, then we might see an issue where 400-series motherboards may end up having two ‘forked’ BIOSes – one for ‘up to Ryzen 3000 inclusive’ and one for ‘Ryzen 3000 and beyond’. The B450 chipset is aimed at budget motherboards. The B450 chipset is aimed at budget motherboards. Now that they see it is, they will try to make it work. until we see Zen 3, so they do have a lot of time to try things and to test things.‘We’ve heard our audience, and we understand the concerns. The former one will likely be a default BIOS, which will be picked up by auto-update software, however the latter will likely always be a Beta BIOS, and it will require user intervention.In conversations with AMD, we also discovered more insight into what this entails.
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It might end up being a one-way solution.
You will receive a verification email shortly.There was a problem. A lot of users had assumed that this meant any AM4 platform based motherboard would be able to accept any processor made from 2016 to 2020, including the new Zen 3 processors set to be unveiled later this year.
I think the general consensus is that Ryzen 4000 will be on AM4, but this hasn't been confirmed.
The fact that there was a discrepancy between what the users expected and what AMD had been saying essentially became a miscommunication or a misunderstanding, but one that had a negative effect on a number of users who were expecting to upgrade the system.There might be a situation where moving up to the beta BIOS fork will make the system unable to downgrade.
Since it targets the lower-end, however, it might not be the most ideal chipset for 105W Ryzen chips.
Each generation of processors require a portion of the BIOS space for compatibility code – normally if you can support one processor from a generation, then you can support them all. "The AM4 socket and B450 chipset are confirmed to be able to support future AMD Ryzen 4000 Desktop CPUs," the rep wrote. However, it will be up to the ODM partner to actually enable it as a feature for their motherboard or pre-built system. The company had originally promised that it would support the AM4 platform from 2016 through 2020 (or ‘through to’ 2020). The reason why this is the case is due to a limitation on some of AMD’s early AM4 processors – due to design, they can only ever address the first 16 megabytes of a BIOS chip.
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