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B450M-HDV R4.0 with Picasso APU

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: http://forum.asrock.com/forum_posts.asp?TID=19087
Printed Date: 28 Sep 2021 at 12:38am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: B450M-HDV R4.0 with Picasso APU
Posted By: zzu
Subject: B450M-HDV R4.0 with Picasso APU
Date Posted: 17 Jun 2021 at 3:42pm
A great combo!

Works like a charm!



Replies:
Posted By: zzu
Date Posted: 17 Jun 2021 at 3:51pm
guys, join the chat room at

%20" rel="nofollow - http://forum.asrock.com/chat.asp

so kewl!


Posted By: zzu
Date Posted: 17 Jun 2021 at 4:55pm
see also:

%20" rel="nofollow - https://pcpartpicker.com/product/RD97YJ/asrock-b450m-hdv-r40-micro-atx-am4-motherboard-b450m-hdv-r40


Posted By: zzu
Date 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.


Posted By: zzu
Date 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.


http://www.msi.com/blog/m2-pcie-lane-configurations-for-b550-unify-unify-x" rel="nofollow - www.msi.com/blog/m2-pcie-lane-configurations-for-b550-unify-unify-x


Posted By: zzu
Date 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.


Posted By: zzu
Date 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.


Posted By: zzu
Date 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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