BG7 and intel chipset drivers

[kENNYC28]

I am also having that problem inf/geforce/bg7 It will overclock bueatiful to 4:5 memory ratio160fsb with my 1.6a costa rica
once I install the INF drivers the best I can do is 155fsb 1:1 ratio
heres my system
bg7 of cousre
gforce 4 ti4600
corsair xms3000
soundblaster live
antec 430 tru power psu
16xdvd rom
hp cdrewriter 16x10x40
wd 80 gig hard drive
avc sunflower cooler
anyone found an answer to that one yet?

 

[kENNYC28]

I mean the chipset drivers I am installing causes a huge overclock drop