Deloptes wrote:

> Hi,
>
> I followed basically two links to test boot over TFTP+NFS root.
>
>
https://linuxhit.com/raspberry-pi-pxe-boot-netbooting-a-pi-4-without-an-sd-card
/
> https://metebalci.com/blog/cardless-rpi4/
>
>
> Cause I did not want to remove and insert the SD card all the time I
> flashed with BOOT_ORDER=0x2.
>
> Now I can boot from the NFS root, but can not flash the eeprom back.
> eeprom image is the latest 2020-01-17.
> Could it be that it does not upgrade eeprom, because it is the same? Or is
> there another procedure ?
>
> Thanks in advance
>
> regards


It turned out that the card to boot from must be inserted when
updating/writing the eeprom.
I hope this helps someone in future.

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