AMD Motherboards - Bifurcation on Phantom Gaming X570

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Bifurcation on Phantom Gaming X570

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=21153
Printed Date: 17 Jan 2025 at 3:50pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Bifurcation on Phantom Gaming X570

Posted By: nikonf
Subject: Bifurcation on Phantom Gaming X570
Date Posted: 28 Jan 2022 at 4:59am

Hi,

I am trying to use a PCIe nvme 4 slot card and only 2 of the 4 SSDs are recognized.
Changed BIOS to 4x4.
Am I missing another setting?

Many thanks!
Mike

Replies:

Posted By: kerberos_20
Date Posted: 30 Jan 2022 at 8:41am

above 4G setting might needs to be enabled and CSM needs to be disabled in uefi setup

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http://valid.x86.fr/diq4l4" rel="nofollow">

http://www.userbenchmark.com/UserRun/47132492" rel="nofollow - userbenchmark

Posted By: nikonf
Date Posted: 30 Jan 2022 at 12:37pm

Hi,

What does this mean?

above 4G setting might needs to be enabled.

Thank you very much.

Posted By: kerberos_20
Date Posted: 30 Jan 2022 at 4:11pm

nikonf wrote:

Hi,

What does this mean?

above 4G setting might needs to be enabled.

Thank you very much.

it means this:

that above 4G setting, well you have to find it, some bios versions has it in advanced configuration, some in boot configuration, this thing keeps moving, but CSM is always in boot options and it has to be disabled first

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http://valid.x86.fr/diq4l4" rel="nofollow">

http://www.userbenchmark.com/UserRun/47132492" rel="nofollow - userbenchmark

Posted By: nikonf
Date Posted: 31 Jan 2022 at 1:30am

Thanks very much for your explanation! Would it be a good idea to upgrade the BIOS?
I am using the original BIOS.

Posted By: kerberos_20
Date Posted: 31 Jan 2022 at 1:45pm

nikonf wrote:

Thanks very much for your explanation! Would it be a good idea to upgrade the BIOS?
I am using the original BIOS.

that may not be necesary

btw what adapter you have?

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http://valid.x86.fr/diq4l4" rel="nofollow">

http://www.userbenchmark.com/UserRun/47132492" rel="nofollow - userbenchmark

Posted By: nikonf
Date Posted: 01 Feb 2022 at 12:59am

It looks like the settings I need to change are NOT visible until I upgrade the BIOS.
The adapter is the GIGABYTE AORUS Gen4 AIC Adaptor GC-4XM2G4.

Thank you very much!