Ubuntu Focal Fossa 20.04.3 LTS (with Intel Elkhart Lake)it will guide you through the steps to install Ubuntu Desktop on your system. Current limitations: unable to enable for two Ethernet ports. ( Canonical suggest an workaround solution and click here ) pinctrl driver can not work to control GPIO pins ( Waiting for Canonical solution) Ethernet function doesn’t work after reboot/suspend (Hardware is no problem because Windows 10 & Yocto image has no this issue.) Download an Ubuntu Imageyou can download an Ubuntu image here. (Make sure to select the correct one: focal-desktop-amd64+intel-iot.iso) Create a Bootable USB stickTo install Ubuntu Desktop, you need to write your downloaded ISO to a USB stick to create the installation media. you’ll use rufus to download and Install tool: click here to see the steps. Boot from USB flash driveInsert the USB flash drive into the IPi SMARC Elkhart Lake and boot or restart the device. It should recognize the installation media automatically. If not, try holding F10 during startup and selecting the USB device from the system-specific boot menu. also go here to see how to boot from USB drive You should now see the welcome screen inviting you to either try or install Ubuntu. Installation SetupNext, you will be prompted to choose the settings you need and follow up the installation guideline until it is complete. How to enable two Ethernet PortsIt is a workaround solution to modify grub file to enable two Ethernet functions.(Intel & Canonical is working to fix it) Here is the steps: 1. First edit the configuration file via command: sudo gedit /etc/default/grub When it opens, add “intel_iommu=on “ into the line of GRUB_CMDLINE_LINUX_DEFAULT and finally save the file. 2. Update grub to apply the configuration changes and then reboot. sudo update-grub