how to hard reset mikrotik 1100 AHx2 with the hard reset jump desable?

Hi,

I’m new in mikrotik and I let my router without a user password, somebody hack me.

i can’t enter to my router and it doesn’t do hard reset, there’s other way to do it?

please help me!!!

Netinstall ? http://wiki.mikrotik.com/wiki/Manual:Netinstall

Reset connector is over 1100AH description on this picture https://img.routerboard.com/mimg/723_hi_res.png
1100ahx2.PNG