Nanopc M4V2 - reflash eMMC


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Hi 

 

I`m trying to set NAS server (OMV) on nanopi M4v2 with sata HAT and eMMC.

I have instaled OMV but it is working realy slow and I want to make another clean install.

I`m using Armbian Buster from here

https://www.armbian.com/nanopi-m4-v2/

 

I`m tryng now for 4 hours to boot from fresh made SD card but I always end up on eMMC module.

If I unplug module I can boot from SD card.

 

I was trying Recovery key and PWR key combination but with no luck

 

What can I try next.

 

Thank you for help!

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27 minutes ago, orangepower said:

I`m tryng now for 4 hours to boot from fresh made SD card but I always end up on eMMC module.

Rockchip SoCs always have eMMC as boot priority.

So, to boot from SDCard, you need to stop U-Boot from eMMC by pressing <spacebar> several times during startup.

Then, at U-Boot command line, you can type "setenv devnum 1" followed with "run mmc_boot", it will then boot from SD.

 

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  • Igor pinned this topic

I also bought emmc2microsd but there is a problem with small notch on it. My emmc plug in oposite way and than there is no way you can plug microsd anywhere. After a while I forced it in oposide way and was able to erase emmc with PC. 

 

There was no chance to stop booting to go to U-boot. It simply does not work..

 

But I manage to solve this probem..by force.. :) 

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