why is my lenovo partition so large

[syrahnose2]

I upgraded my old x200 320k hard drive to 500k at same time I did Lenovo's upgrade to win7 disk from vista. my main partitian is 460, and the lenovo Q partitian is 30gig although only 6gig is being used in this space. Can I recover the remaining 34gig into the main partition?

I have paragon partition master to do this, but I don't quite understand why the Lenovo Q drive became so large during my upgrade.

[sir_synthsalot]

Hope I am not incorrect on this but I think they leave the extra space for backup.