Ezra Drummond wrote: I have a Dell inspiron 6000 laptop, which i am trying to set dma mode for the dvd+rw drive. I add "ata.atapi_dma=1" to loader.conf but the system just ignore it. Any hints would be very much appreciated. ps: FreeBSD 6.0 set dma automatically without me adding anything to loader.conf. Have you tried "hw.ata.atapi_dma"? ^^^ Works here. Sascha