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On a purely technical level they don't per se, however platform features like power management, graphics, ISA extensions etc. needs OS support. The latter part
by dom0 10y ago
On a purely technical level they don't per se, however platform features like power management, graphics, ISA extensions etc. needs OS support. The latter part is pretty much just used as leverage by Microsoft and Intel (which also stopped driver support IIRC) to force people into Windows 10.