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The OS 2.x contains the following files:

 

Boot_opusaX_2.X.bin – a binary image with the bootloader

Redboot_RAM.bin – a binary image with the bootloader for an update from an older (1.x) OS version (only necessary when updating from a BSP < 2.x)

linux_opusaX_2.X.bin – a binary image with the Linux kernel

service_opusaX_2.X.bin – a binary image for the service mode

zImage.service – a binary image for the service mode for an update from an older (1.x) OS version (only necessary when updating from a BSP < 2.x)

rootfs_opusaX_2.X.squashfs – a binary image with the squash root file system

logo_opusaX_2.X.png (optional) – a boot logo which is displayed at every system start

 

Additionally, there is an md5 checksum file for each of the above files which are used to check the integrity of the files in the installation.