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- Set machine Architecture to 'arm64' and Subarchitecture to 'grub-efi-upstream-2.02'. The subarchitecture should has have 'Efiboot' enabled.
- Choose the Kernel and initrd images you want to use.
- Make sure 'Netboot enabled' is on.
- Click 'PXE Reboot' button to boot from PXE server.
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