No interrupts on add-in PCI ethernet card - Intel H77
Bjorn Helgaas
maintainerQuoted 2 lines
Maybe Win7 already know this and has a quirk for that, usually new HW will be heavily tested on Windows before going to market.
In comment #35, Lubos points out that it's unlikely Windows could have a quirk because Win7 was released before the motherboard and he installed no Intel drivers.