Hi guys!

I haven't been using AMD since my good old 3400+ but now I'm back.

Unfortunately I seem to have run in to some problems with the SATA drivers.


With my Gigabyte 990FXA-UD 3 mobo I also got a brand new Corsair Neutron SSD drive. 

First off I of course changed controller to ACHI and the first thing I did after Windows 7 64 bit installation was to install AMD Chipset Driver 13.1.

After I did that i ran the Windows evaluation and got 6,7 on disk performance. Tried to change to the MS Standard ACHI driver and then I got 7,9. Once again tried the AMD driver and once again 6,7.

 Is it really that big difference? I really thought that the AMD driver would perform better or at least the same? Or is it just the evaluation or have I done something wrong here?

Would be happy if someone could give me an advice  

WEI is a useless performance metric. See the thread 4 below this one titled "Interesting observations of SSDs on AMD chipsets"

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Crosshair IV Formula, Phenom II x4 965 w/ Corsair H60, 8 GiB OCZ Platinum DDR3 1600, XFX HD 7970 Ghz, 512GB Vertex 4, 256GB Vector, 240GB Agility 3, Creative X-Fi Titanium w/ Creative Gigaworks S750, SeaSonic X750, HP ZR2440w, Win 7 Ultimate x64

Thank you black_zion!

I did as you guys did in that thread:

 
Overall the AMD driver seems to be ahead most of the time!

So i'll guess i stick to the AMD driver, thanks for your reply black_zion!