I tried to test it in an A4000, there no Reaction. I do not know, if it works in an A2000 ?Short Q: Is it working, did you test it?
It should work with A4000. You should check if it is shown app like SysInfo or Early startup menu. (power on Amiga with both mouse buttons pressed)I tried to test it in an A4000, there no Reaction. I do not know, if it works in an A2000