sonydvd-dru500a
 

ive got the sonydru 500a
updated the firmware to the new 2.0
didnt check the read me about disabling
dma,im running on windows xp
now when a disc comes near 98% it fails with a buffer under run error.i know its because i didnt disable dma,ne 1 know of a way of fixing this,if not others beware!check out the instructions first

Right click my computer and choose properties, then the hardware tab, then click device manager. Expand IDE ATA/ATAPI Controllers. Double click the channel your drive is on, primary or secondary. Under the advanced settings tab you can enable DMA.