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DVD & CD-RW DMA and PIO settings

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Feb 7, 2002
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


Very kind Senior
Mar 13, 2002
Greensboro NC
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.