AMD Ryzen 5000 Zen 3 CPUs spotted working on A320 and X370 motherboards
AMD mentioned that Ryzen 5000 processors would only be compatible with A520, B550, X570 motherboards initially, then a few months later in January 2021 the AMD X470 and AMD B450 would get supported. But wait Dave, there's more.
So, motherboards equipped with an AMD 300 Series chipset would /should not be compatible. However, it appears that a number of companies already have BIOS ready for A320 and X370 motherboards , which enables compatibility with AMD Ryzen 5000 desktop CPUs. According to a Chiphell forum member, AMD 300 series motherboards can fully support Ryzen 5000 series processors and one of those motherboards has been shown to be the ASRock A320M-HDV, one of the cheapest on the market.
The motherboard was fitted with a 12-core AMD Ryzen 9 5900X processor along with 16GB of DDR4 memory, it is even compatible with AMD's Ryzen 4000G Renoir APUs. It appears that motherboard manufacturers have BIOSes for the X370 and A320, although they are not expected to implement these anytime soon as AMD has officially stated that Ryzen 5000 desktop CPUs will only be compatible with 400 and 500 series motherboards.
Overclock.net forum member, Brko, has revealed that Gigabyte already has Ryzen 5000 CPUs running on its X370 motherboards. It also appears that the BETA BIOS is included with the existing AGESA 1.1.0.0 code. The motherboard was fully compatible with the Ryzen 5000 CPU but had PCIe Gen 4 disabled.
16MB ROM capacity is a major limiting factor and will eliminate support for other generations, keep that in mind though.
Gigabyte and ASUS BIOS support for AMD Ryzen 5000 desktop CPUs is now available. Gigabyte offers BETA support on a total of 16 B450 chipset-based motherboards, while ASUS offers BETA support on a total of 16 ROG STRIX, PRIME and TUF Gaming products.
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Senior Member
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Joined: 2012-11-10
Can't say I'm surprised. IIRC, the 400 series chipsets is electrically the same as the 300, there's just firmware updates.
I kinda gave up the hope that my board will have Zen3 support, though it'd be a pleasant surprise if I were to be proven wrong.
True, but.... mobo manufacturers could also make fewer variations. Like really, pick any brand - doesn't matter which, and look at their whole product lineup. You might get as much as 4 variations for a single form factor and the same chipset. Why? The PCBs are almost always black with gray accents and they usually come with the same integrated devices. Best-case scenario, you might pay more for one that has a CMOS reset button, a better looking heatsink, and a better VRM.
Seems to me they're making their own lives harder and more expensive. If you're going to make more than 1 product with the same form factor and chipset, there should actually be something distinguished about it.
Though that also gets me to wonder: if so much of the board is the same as other SKUs, how hard could it be to just have a single BIOS that works between each of them?
EDIT:
Oh yeah, and it's not really doing the customer a favor either. We don't like being overwhelmed with choices, especially when the differences are so subtle.
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Posts: 1326
Joined: 2010-05-12
Can't say I'm surprised. IIRC, the 400 series chipsets is electrically the same as the 300, there's just firmware updates.
I kinda gave up the hope that my board will have Zen3 support, though it'd be a pleasant surprise if I were to be proven wrong.
True, but.... mobo manufacturers could also make fewer variations. Like really, pick any brand - doesn't matter which, and look at their whole product lineup. You might get as much as 4 variations for a single form factor and the same chipset. Why? The PCBs are almost always black with gray accents and they usually come with the same integrated devices. Best-case scenario, you might pay more for one that has a CMOS reset button, a better looking heatsink, and a better VRM.
Seems to me they're making their own lives harder and more expensive. If you're going to make more than 1 product with the same form factor and chipset, there should actually be something distinguished about it.
Though that also gets me to wonder: if so much of the board is the same as other SKUs, how hard could it be to just have a single BIOS that works between each of them?
EDIT:
Oh yeah, and it's not really doing the customer a favor either. We don't like being overwhelmed with choices, especially when the differences are so subtle.
100% agree, i would love the basic motherboard and the better version. Atx and mini-itx. Done. 4 motherboard per chipset. max 2 chipset per cpu.
Ln2 overclockers can design their own PCB and probably they do not even want a chipset. the just want the cpu, the memory controller and the GPU.
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And they did boards with AGP and PCIe x16 slots too! Crazy shizzle. o_O
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Sorry, but what on earth are you talking about?
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Joined: 2012-07-20
That's because Phenom II had IMC capable to use DDR2 and DDR3.
Question of 300 series boards is quality of power delivery. Most of them had insufficient power delivery for iGPU, so I would not worry much about CPUs as long as board has enough power.
But I would worry about usage of newer APUs.