Intel Motherboards - BIOS Legacy Boot from MBR partition

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BIOS Legacy Boot from MBR partition

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=16499
Printed Date: 02 Aug 2025 at 1:01pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: BIOS Legacy Boot from MBR partition

Posted By: Kendo
Subject: BIOS Legacy Boot from MBR partition
Date Posted: 01 Oct 2020 at 3:08am

I need to be able to boot from a drive that has a MBR partition instead of GPT. This requires BIOS to be able to support Legacy boot (not just disabling secure boot) The board I was inquiring about is the ASRock B365 Phantom Gaming. Does this board's BIOS support this feature?

Replies:

Posted By: ASRock_TSD
Date Posted: 05 Oct 2020 at 5:10pm

Dear Kendo,

Thank you for posting!

Yes, this motherboard can boot from legacy mode OS with default.
Just make sure that Boot\CSM\Enabled under the BIOS.

With thanks,
ASRock TSD