Such thing as Hybrid Crossfire in this laptop?

I might be buying an HP DV6/DV6z laptop, and adding the Discrete Mobility Radeon HD 4650 onto it. Originally, it comes with a Radeon HD 3200 integrated card. I was wonderin, will the integrated GPU still be in there, and can i turn on Hybrid Crossfirex to help ease the load on the discrete card? Thanks!