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B550 ITX board won't boot with a my Ryzen 5600X.

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Lumpybed View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lumpybed Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2020 at 4:50am
Thanks for the links. I independently found the short-term processor loan boot kit and that may be the way to go. This Reddit post says that Ryzen 7 5600 + P1.00 on a B550M PRO4 isn't working: https://www.reddit.com/r/ASRock/comments/jw9f2g/asrock_b550m_pro4_p11_is_bios_bootable/. That probably doesn't bode well for the PG B550 ITX/ax
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Post Options Post Options   Thanks (1) Thanks(1)   Quote MadScientist Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 2020 at 11:05pm
There is an Asrock forum on reddit that's very informative. https://www.reddit.com/r/ASRock/
I have seen a post on there where they were able to boot to the bios on this MB with a P1.10 bios, nothing about the P1.00 bios.

For you and others in the same boat, AMD has a Short-Term Processor Loan Boot Kit for free to flash your MB to a compatible ryzen series 5000 bios.
https://www.amd.com/en/support/kb/faq/pa-105#faq-Short-Term-Processor-Loan-Boot-Kit
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lumpybed Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 2020 at 10:33pm
For what it's worth, my Phantom Gaming B550 ITX (purchased in October from Newegg) has a "P1.00" sticker on the mobo side of the I/O shield, behind the WiFi antenna couplings. I haven't done my build yet but I'm in a similar situation. Was planning on buying a 5800 and I don't have another AM4 CPU handy, so I'm going to have to get creative if I want to execute that plan.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jackson1101 Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 2:39pm
I'm having the same issue as OP. Before buying the B550 mobo and 5600X, I verified that the mobo supports AsRock's USB "flashback" to update the BIOS and planned on doing that, but alas, can't update the BIOS without video output.

Interestingly, I also get no beeps with my installed mobo speaker, though I read on another thread that AsRock might disable chassis speakers by default, and that it has to be enabled in the BIOS?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MadScientist Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2020 at 9:18pm
I do not know of any other way of checking the bios version except to boot into the BIOS/UEFI. Your MB probably has bios V1.00 or V1.10. Unfortunately you are going to need a ryzen series 3000 CPU to boot to the BIOS/UEFI to flash the bios.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ravage123 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2020 at 3:27pm
No, can't find one
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ravage123 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2020 at 10:52am
Nope, haven't been able to find anything.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MadScientist Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2020 at 12:58am
Yes, I see your point. It is confusing. So is there a sticker on your chipset that says what your current bios version is?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ravage123 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2020 at 10:21pm
Originally posted by ravage123 ravage123 wrote:

Why is this? The BIOS page on the motherboard support site says that 5000 series is supported from v1.2 on August 25th!

That's absurd. And the patchnote for 1.6 says nothing at all about the 5000 series CPUs. It's not clear at all and I had assumed my CPU would work out of the box. I don't even have a old AMD CPU that will allow me to flash the new BIOS.


[URL=https://www.asrock.com/mb/AMD/B550%20Phantom%20Gaming-ITXax/index.asp#BIOS]here is the site[/URL]
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ravage123 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2020 at 10:18pm
Why is this? The BIOS page on the motherboard support site says that 5000 series is supported from v1.2 on August 25th!

That's absurd. And the patchnote for 1.6 says nothing at all about the 5000 series CPUs. It's not clear at all and I had assumed my CPU would work out of the box. I don't even have a old AMD CPU that will allow me to flash the new BIOS.
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