=========================================================================== $NetBSD: MESSAGE,v 1.1 2021/05/09 08:31:18 mrg Exp $ Examples command to install U-Boot to an empty SD card: # dd if=${LOCALBASE}/share/u-boot/sopine-baseboard/u-boot-sunxi-with-spl.bin seek=16 of=/dev/rld0d You should make sure that the space is otherwise cleared of data, as old images may fool the boot loader paths. ===========================================================================