I've found the Intel installer to be good at this.
Intel Chipset Identification Utility vs. Device mgr chipset ID - which correct?
The Intel Chipset Identification Utility identifies my chipset as
Intel X48 Express Chipset. Device Manager shows Intel x38 Express chipset PCI Express Root port (also X38 chipset to I/O port).. I am about to upgrade clean install to WIN7 and I definitely want the correct WIN7 chipset driver. Help?

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