Full boot is the one to test. But you will still have to decide whether the count ends at command line or at what point inside a graphical user interface. I suggest you pick a common program or task that has to be completed as that point. The use of caching and memory filled is a factor in a GUI. The GUI might be up but is it ready to be used? Even at the command line this might be true depending on the OS
512MB version 2.0 as WordPress Server
Motorola Lapdock with Pi2B
Modded Rev 1.0 with pin headers at USB
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