README.md

@@ -703,6 +703,16 @@ Rebooting currently running image:
 xsc_boot_copy -r
 ```
 
+## Preparation of a fresh rootfs
+
+This section summarizes important changes between a fresh rootfs and the current
+EIVE implementation
+
+- Mount point `/mnt/sd0` created for SD card 0. Created with `mkdir`
+- Mount point `/mnt/sd1` created for SD card 1. Created with `mkdir`
+- Folder `scripts` in `/home/root` folder.
+- `scripts` folder currently contains `update_main_components.sh` script
+
 # Running the EIVE OBSW on a Raspberry Pi
 
 Special section for running the EIVE OBSW on the Raspberry Pi.