[quote=delerue;2061909]I just called and spoke with a SONY tech support rep (based in India, I guess) and he swore up and down that SONY manufactured their own drives, including the one in my external DRX-840U. What gives?[/quote]He is just wrong. Sony’s contribution is the modified firmware and the logo on the front plate. That’s all.
They buy their drives from Liteon, Benq (when they still existed), NEC and Samsung and sell them under their own brand.
Is there a way to physically inspect to find out the true manufacturer of the drive?
Open up your drive and have a look at the circuit board. Of course, this will void any warranty.
You should really have a look into the Samsung DVD burner forum here at CDfreaks.com, especially into the thread I mentioned in my previous reply. There you will find pictures of the circuit board and also posts of users who successfully flashed Samsung SH-S202H firmware on this drive.