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B450M-HDV R4.0 with Picasso APU
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Joined: 16 Jun 2021
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    Posted: 19 Jun 2021 at 3:26pm
big mystery :


What do   3 long POST ERROR beep sounds signify
What does 1 long POST ERROR beep sounds signify
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2021 at 1:53pm
It is a good idea to actually connect a beeper-speaker and both POWER LED as well as HDD LED and a USB cable with a LED in it.

That way you see and hear much better during power cycles or UEFI freeze / USB mouse freeze what is going on.

In particular, BIOS BEEP codes will be sounded upon BOOT ERROR, which does occur in some cases. The mainboard then reboots during circa 60 seconds but does not freeze.

Without hearing POST beeps, you might mistakenly think that the machine is frozen. Especially if there is mouse trouble of some kind, which the version 4.6 UEFI of May 2021 essentially fixed for me.
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2021 at 1:21pm
It is a little confusing seeing Audio settings scattered across multiple UEFI menus.

Make just one SUBMENU named "Audio" with everything audio in it !

Since printed manuals stopped describing all those UEFI abbreviations and what not.
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2021 at 6:01pm
seems like this motherboard UEFI does expose bifurcation.

like 8x or 4x4 PCI lanes for sharing or whatever.


www.msi.com/blog/m2-pcie-lane-configurations-for-b550-unify-unify-x
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2021 at 4:58pm
The mo.board does not have PCI slots and POST cards do not work in the graphics card slot for some reason.
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see also:

https://pcpartpicker.com/product/RD97YJ/asrock-b450m-hdv-r40-micro-atx-am4-motherboard-b450m-hdv-r40
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2021 at 3:51pm
guys, join the chat room at

http://forum.asrock.com/chat.asp

so kewl!
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote zzu Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2021 at 3:42pm
A great combo!

Works like a charm!
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