its included with the win vista chip set install .
I just downloaded the latest chipset motherboard drivers off asrock web site for vista x64 and it works fine with win 7 RC x64 and the away driver was included.
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AMD phenom II 1090T @ 4.23 Ghz custom water cooled Asrock 890 FX deluxe 3 mother board 4 GB DDR 3 1600 @ 1688 Mhz 7 7 7 24 T1 2688 Mhz NB 2x 1 TB WD Sata III 64 mb cache HDD,s raid 0 2x 5870 HD @ 1015/1300 Asus reference Dual OS win 7 x64 ultimate & win 7 x32 Ultimate (bench os)