DVD & CD-RW DMA and PIO settings

[dxiw]

I have a 16x LIte-On dvd drive and a 48x16x48 cd-rw drive from asus. I was just curious waht ATA are these, ATA100 or 133 or 66 or 33? Also, what is the right PIO mode for these drives, 2?3?4? with or w/o bus mastering? And finally what level of DMA should be enabled for these drives

 

[Xaotic]

They should be running in ATA33. Avoid PIO mode like the plague. It's limited to 16MB/s maximum and will revert any other drive on the channel to PIO as well.