Update: I now have a video that goes along with this blog post:įirst, I flashed a 32GB SanDisk Extreme Pro microSD card with the latest 64-bit beta release of the Raspberry Pi OS. I'll be posting a video and blog post with more detail on that experience very soon. And after testing it a bit, I decided to use the Pi 4 as my full-time workstation for a day, to see whether it can cope and where it falls short. So when the USB boot beta was announced, I wanted to put it through its paces. And on older Pis, with the maximum external disk speed limited especially by the USB 2.0 bus-which was shared with the network adapter, limiting its bandwidth further-even USB booting didn't make things amazing.īut the Pi 4 not only separated the network adapter from the USB bus, it also has USB 3.0, which can be 10x faster than USB 2.0 (theoretically). For a very long time, the top complaint I've had with the Raspberry Pi is limited I/O speed (especially for the main boot volume). Recently, the Raspberry Pi Foundation announced a USB boot beta for the Raspberry Pi 4. Now, flash any USB drive with the latest Raspberry Pi OS, plug it into your Pi (unplugging any microSD card), and you're off to the races! All you need to do now is run sudo apt-get dist-upgrade -y, then reboot, then your firmware should be up to date. September 2020 Update: USB boot is out of beta! Check out this video for simplified instructions.
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