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hardcoregames_
Big Boss

R5 2400G on X570

My MSI X570 MB does not like my R5 2400G, so needless to say I am not very happy with backwards compatibility.

So AMD needs to either give me a new CPU or fix the problem with my motherboard.

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6 Replies
vulpine05
Adept II

Re: R5 2400G on X570

What exactly is the problem?

hardcoregames_
Big Boss

Re: R5 2400G on X570

Red CPU error light and does not even bring up the BIOS

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vulpine05
Adept II

Re: R5 2400G on X570

Which motherboard model do you have?  Other computer specs (ram, GPU, etc)?  An x570 mobo should be compatible with Ryzen 2000 series right out of the box.  Do you happen to know what bios version you have?

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hardcoregames_
Big Boss

Re: R5 2400G on X570

X570-A PRO | Motherboard | MSI Global 

This was the least expensive X570 motherboard

I expected my socket AM4 R5 2400G to be suitable albeit with PCIe 3.0 speeds

The product page suggests my CPU with Vega Graphics is suitable, insteal I see 80% of existing processors are not supported

My R5 2400G has Vega 11 which is strong enough for gaming

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vulpine05
Adept II

Re: R5 2400G on X570

Now I see the problem.  The motherboard you have does not support the 2400G.  Take a look at the compatibility chart located here:  https://www.msi.com/Motherboard/support/X570-A-PRO#support-cpu

Not all motherboards support all processors.  Additionally, the 2200G and 2400G are based on Zen1, not Zen+ like the other 2000 series CPUs.

I think you have three options here.  First, see if there is a way to flash your bios to the latest version.  There may be a chance that your APU is supported in a later bios.  I'm not sure how you would flash the bios, though, I can't tell if that motherboard has a USB port that can flash with no CPU.  Second, you could try to contact MSI to see if there is a way to get it to work.  Third, you may just have to get either a new CPU or motherboard.

hardcoregames_
Big Boss

Re: R5 2400G on X570

I have also been on the MSI forum griping as well. I spent a lot of cash on the R5 2400G, there were cheaper options but I wanted 4/8 cores with a faster clock speed. Later on after a lot of research that AMD does not switch the PCIe lanes to external when the Vega 11 is not being used.

  • Supports 2nd and 3rd Gen AMD Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics Desktop Processors for AM4 socket
  • Supports 4 DIMMs, Dual Channel Memory DDR4, up to 4400+(OC) MHz
  • Lightning Gen 4 Solution: The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed and performance.
  • Frozr Heatsink Design : Designed with the patented fan and double ball bearings to provide best performance for enthusiast gamers and prosumers.
  • Set Core Power Free: Core Boost, 8+4 pin CPU power connectors, DDR4 Boost
  • Audio Boost 4 with NAHIMIC: Reward your ears with studio grade sound quality.
  • Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™
  • AMD Turbo USB 3.2 Gen2: Powered by AMD USB 3.2 Gen2 controller, ensures an uninterrupted connection with more stability and fastest USB speeds

The first feature is clear, Ryzen with Radeon Vega Graphics (R5 2400G) so we have a problem of false advertising.

I am now also aware that AM4 can have more PCIe lanes than any existing CPU offers. So this tells me AMD is holding out on users who may want to use more hardware. The 8-port SATA card can fatten up storage nicely. The card has dual controllers to achieve 8-lanes.

There is not real bona fide reason to dump any AM4 CPU, sure the old ones are PCIe 3 so the southbridge should be capable of that. PCIe is backwards and forwards compatible.

I am rather well studied with standards manuals.

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