Churin, Most of the internal dvd drives are pretty interchangeable with one another. They do have two models with different electrical connections. I would take the old one out and take a look at it and then decide if they look identical in electrical connections, they you should be good to go.
Computer type Laptop System Manufacturer/Model Number Toshiba Laptop Qosimo X870 OS Windows 7 Pro x64 SP1 CPU Intel Core I7 Motherboard Toshiba Memory 16 Gigs Graphics Card NVIDIA GeForce GTX 670M Monitor(s) Displays 17.7" laptop Screen Resolution 1600 x 900
Hard Drives 256 Gig SanDisk SSD for C
256 Gig Intel SSD for D Internet Speed 50/25 FIOS Antivirus Vipre (all you can eat for 10 machines) Browser IE and FF Other Info I have dos 6.22, wfwg 3.11, win98, 2000 and xp VHD's available for testing. MS's Virtual PC works great.