# Alternative option to not relay in the eMMC for BootROM and MB1 boot software

**URL:** <https://forums.developer.nvidia.com/t/alternative-option-to-not-relay-in-the-emmc-for-bootrom-and-mb1-boot-software/245216>\
**Category:** Jetson Xavier NX\
**Tags:** boot\
**Created:** [March 7, 2023, 1:17pm UTC](https://forums.developer.nvidia.com/t/alternative-option-to-not-relay-in-the-emmc-for-bootrom-and-mb1-boot-software/245216 "2023-03-07T13:17:08Z")\
**Posts on this page:** 1\
**Showing post:** 9

<div class="post-metadata">

**Author:** ![WayneWWW](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/waynewww/32/14043_2.png) [@WayneWWW](https://forums.developer.nvidia.com/u/WayneWWW)\
**Post date:** [March 8, 2023, 3:29pm UTC](https://forums.developer.nvidia.com/t/alternative-option-to-not-relay-in-the-emmc-for-bootrom-and-mb1-boot-software/245216/9 "2023-03-08T15:29:55Z")

</div>

Hi,

I already explained this in this post 2 years ago.

> [@Boot from external drive](https://forums.developer.nvidia.com/t/boot-from-external-drive/182883):
>
> Hello, I understand that there are lots of people asking about how to boot from external drive (e.g. usb/NVMe drive). And also lots of methods all around this forum. Thanks for everyone to share their steps to achieve that. This post is just to give some basic concepts about how jetson platform boots from external drive. And answer some frequently-asked questions. I believe every method shared on this forum uses the same idea but just in different forms. 1. Jetson is not able to “fully” b…

Point 1 is for your question.

In brief, I understand what you tried to ask. And the conclusion is not possible to achieve.

But our recent modules use QSPI to store the bootloader instead of emmc… so you can pick up those kinds…  
I mean MB1/MB2 are read from the QSPI but not emmc on those modules…

---

_[View the full topic](https://forums.developer.nvidia.com/t/alternative-option-to-not-relay-in-the-emmc-for-bootrom-and-mb1-boot-software/245216)._
