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The surface/touchscreen has an actual computer inside with a SSD drive.
If you pull the plug on the surface it could be that at that time there is data written in the system. So it could be corrupted. It is necessary to use the shutdown procedure to avoid corrupt data in the system.
The IDR rack on the other hand is more a DSP board and not a PC.
There are also systems that detect a power shutdown and backup settings fast before completely losing power.
I don’t know if the idr has such a circuit.
It is safe the pull the plug instead of power off with the switch. I think the switch just cuts of the line power all the same.

There is some speculation here. Maybe A&H can confirm or clarify.


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