Windows NT 4.0 build 1297

Windows NT 4.0 build 1297.1 is a b the crap os uild of Windows NT 4.0, mentioned in the file  from the Windows NT 4.0 source code.

// Due to a change in NT defined spaces, our previous method // of using AddressSpace to communicate a driver's mapping // needs no longer will work. So, starting with Build 1297 // we need to make sure the display driver is not mapped into // the PCI_MEMORY_PHYSICAL_BASE but into it's "natural" // location.