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The Flash-N-Go infrastructure (or FnG infragstructureinfrastructure) is a software product for NXP i.MX Edge devices created by SECO Nothern Europe. Consisting of 3 parts, Flash-N-Go Boot, Flash-N-Go System and Flash-N-Go Update it provides a convenient means of booting, flashing, testing and updating of edge devices.

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All actions necessary to boot any kind of OS are controlled by one of two simple ASCII-text boot-scripts, which Flash-N-Go Boot looks for in all FAT12/16/32-partitions on the storage medium it is booted from itself. Normally Flash-N-Go Boot looks for a boot-script called boot.cfg. In three special cases it looks for a boot-script called boot-alt.cfg, instead:

• if no boot.cfg can be found or loaded and executed successfully,

• if the SW2bootmode-button of the device is pressed during power-up or reset, or

• if some software - usually a tool called bootselect provided in any OS - has set a special flag in a particular place of non-volatile storage of the system.

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