You do understand than you can hold more than 600s the button?
http://forum.mikrotik.com/t/protected-routerboot/85672/1
[…] But what exactly happens when someone holds reset button more then 5 minutes? […]
Normis: […] Just like manual explains, it will erase the NAND in a secure way, and essentially Brick the device […]
Stop Trolling and read what the others writes. If you do not trust Normis, you do not have hope.