I am Not a Geek dot com has posted a review on the Samsungs SD612 12x DVD Rom.
The absolute most important thing to do once you have physically installed your DVD-ROM is to turn on the DMA. Without DMA turned on any DVD-ROM you have will have very poor performance. I tried watching a movie with DMA turned off, even with my 1.2GHz Athlon, 256MB Ram and a GeForce2 GTS Ultra, the sound was crackly and the video occasionally paused. This is so important but I am sure there are a lot of people who have installed a DVD-ROM and do not know about this. It is so important, I am not sure why DVD-ROM makers haven´t started including a disk with a simple program that turns it on.Read more