I find a solution. Try to modify de sysprep.inf, to change from Uniprocessor to Multiprocessor (DC7100 uses Hiperthreading, and simulates two processors): [unattended] UpdateHAL="ACPIAPIC_UP,%windir%\inf\hal.dll" InstallFilesPath=C:\sysprep\i386 OemSkipEula=Yes ..... Later you should actualtize the Chipset, Ethernet, Graphics, and Sound drivers.