By pressing shift and run/stop together, your Commodore 128 will attempt to load and run the first program on your diskette. This is a useful feature that allows faster computer use and eliminates the ",8" or ",8,1"? problem. I think the Fast Load Cartridge enabled a similar feature on the Commodore 64.

The shift-run/stop feature can be disabled by running the following program:
9 POKE4104,0:FORI=4159TO4164:POKEI,PEEK(I+9):NEXT

The old skool (pre-128) method of loading the first program on disk is:

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