USB Install on Pi 4

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Fireman1224
Posts: 3
Joined: Fri Aug 27, 2021 9:49 pm

USB Install on Pi 4

Post by Fireman1224 »

Good evening!

I am fairly new and am trying to install dietpi to a USB drive for use with a Pi4 8gb. I know the Pi3B+ will boot to USB natively, but I cant seem to find a how-to for the Pi4 without installing to a microSD card first. Is it possible to install directly to the USB drive?

Thanks in advance!
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Joulinar
Posts: 5619
Joined: Sat Nov 16, 2019 12:49 am

Re: USB Install on Pi 4

Post by Joulinar »

There is no need for a how-to. Just flash the image to your USB disks and boot from it. Usually RPi4 support usb ootb.

To be sure you could install it once on SD card to have the bootloader updated.
Pls let us know if a solution is working. This could help others if they hit by similar situation. Your DietPi Team
Fireman1224
Posts: 3
Joined: Fri Aug 27, 2021 9:49 pm

Re: USB Install on Pi 4

Post by Fireman1224 »

OK. I tried on a different Pi4 and I just got flashing green light and no boot. I will try again later to see I need to update the boot loader. I assume if I do it to microSD, I can get to the boot from section to designate boot from USB? Or maybe not needed once the first boot is done?
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Joulinar
Posts: 5619
Joined: Sat Nov 16, 2019 12:49 am

Re: USB Install on Pi 4

Post by Joulinar »

just have a look to RPi documentation https://www.raspberrypi.org/documentati ... i.html#pi4

a minimum bootloader version is needed. Usually the bootloader will be updated by DietPi installation process during first setup.

Another possibility is to change boot order https://www.raspberrypi.org/documentati ... figuration
BOOT_ORDER fields would need to be set to 0x4

For both you could boot from SD card


EDIT:
you could use RPI imager as well to change boot mode https://www.raspberrypi.org/documentati ... tml#imager
Pls let us know if a solution is working. This could help others if they hit by similar situation. Your DietPi Team
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