Show a screengrab of the render settings.
Without that we can not help in a sensible way.

Anyhow, reduce bucket size.
32, to 16, to 8, or to 4 till the render finishes.

Are all textures set at crisp?
Sure you do not have textures at texture filter none?
Sure you have texture catching enabled in general preferences?

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!