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DVD Drive not using DMA in XP

F

florrv

macrumors newbie
Original poster
Oct 13, 2007
3
0
long-time lurker, first time poster. :)

I just installed XP on my new Santa Rosa MBP, and the DVD drive refuses to operate in DMA mode.

If I select DMA mode, XP will throw an "I/O Error" any time I insert a CD or DVD. Switching the drive to PIO mode will read the disc, but now I'm dealing with 50%+ CPU utilization.

This is with the Boot Camp 1.4 drivers installed. I previously had a "1st gen" Intel MBP running Vista under BC 1.3, and never had this issue.

Anyone else face this before, and suggestions on how to fix it?

Thanks much...
 
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