IF you go to the evga site there are was a post that said it would support that chip. I forget if the 45nm cpus are going to be socket 775. But I am almost 100% sure they said it would support it via a bios update.
edit**** here are some links that discuss this
1 evga site
read post 13
read post 86
another update is that ASUS announced which boards will support 45nmCPU's here
. Sladesurfer posted this