Our company has target boards with ATSAM7X128 and ATSAM7X512.
We are used SAMBA 2.12 or 2.12a in Windows7 x64 and WindowsXP.
If we had choosen "Select your board: at91sam7x128-ek" and pressed the button "Connect" SAMBA would hang.
All of our stuff has this problem.
If we are used SAMBA 2.11 in WindowsXP the problem is gone.