If the 360 drive looks like this:
My original Elite from April 07
The Pro system picked up from James in Dec 07
The mod can be done. I can even PM you the directions / YouTube video to get it done quickly if you're comfortable doing it. What's needed: PC w. SATA onboard, 2 special cds, and some random (no brainer) programs.
Just know that the system shouldn't be taken on Xbox Live for gaming anymore. Don't leave the system connected to the internet and only hop on Live to retrieve DLC's without a disc in the drive.
As always, let me know if you needed anything
http://i40.photobucket.com/albums/e2...Gaming/360.jpg