Maximale Prozessoranzahl mit dwNumberOfProcessors

[hathor]

PCs with multi-core processors:
Windows 7 was designed to work with today's multi-core processors.
All 32-bit versions of Windows 7 can support up to 32 processor cores,
while 64‑bit versions can support up to 256 processor cores.

PCs with multiple processors (CPUs):
Commercial servers, workstations, and other high-end PCs may have more than one physical processor. Windows 7 Professional, Enterprise, and Ultimate allow for two physical processors, providing the best performance on these computers. Windows 7Starter, Home Basic, and Home Premium will recognize only one physical processor.

Quelle:
http://windows.microsoft.com/en-US/w...m-requirements