As long as you can access it as a USB drive, you're in. Just follow this advice:
Originally Posted by jUsT2eXy
Hi. I did this today:-
INSTANT ROOT APK
It works 110% .. SOme T-Mobile people have reported success without downgrading ROM's
Safe & Easy.
2)Save it to SD Card ROOT (not in any folders)
3)Open up a file manager on your phone (Download a file called ASTRO File Manager from the marketplace..if you don't have a file manager..)
4)Find the 'InstantRoot.apk' file.
6)It will say it's been successful
Voila. Your done.
On a side note... if you are planning on Rooting & Then Installing To A Custom ROM.. look no further than the thread I made today over @ Modaco.. I too was confused ..There are so many guides out there. Each more confusing than the last. So many unnecessary steps. This way is quick and easy.
[Help Me] Rooting & Modaco 3.0 Install - Android @ MoDaCo