Intel Motherboards - Requirements for EFI Boot from USB

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Requirements for EFI Boot from USB

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=10771
Printed Date: 27 Dec 2024 at 2:24pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Requirements for EFI Boot from USB

Posted By: worf
Subject: Requirements for EFI Boot from USB
Date Posted: 25 Jan 2019 at 5:24pm

I'm maintaining a Debian Live USB Stick project.

The current Layout of the USB Stick (GPT) is quite simple (i did think):
* A Partition for Data (NTFS)
* A EFI System partition to boot from (FAT)

This works flawlessly on really a lot systems, including some ASRock Mainboards with AMD CPUs

However, recently i discovered some PCs at work that would not boot in EFI Mode. They use a Z390 Taichi Mainboard.

So i'm looking for a detailed information what ASRock Intel Mainboards need a USB Stick to look like in order to boot from it.