Thanks for joining the chipset community.
I understand you are looking for SATA AHCI drivers for Vista 64 bit.
Please download appropriate drivers here:
https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=17882
If you are performing F6 driver installation try File name: f6flpy6489.zip, once the operating system has been installed you need file name: IATA89ENU.exe
Allan.