sorry in advance if i am in the wrong forum. here is my problem--i followed these steps on how to reset the dma transfer mode from this microsoft site: http://support.microsoft.com/?kbid=817472 and it did not work. my current transfer modes are as follow device 0: current transfer mode ultra dma 4 device 1: current transfer mode ultra dma 2 this is on the secondary channel where my devices are located. i have win xp prof, p4 2.0ghz, 320gb. please help and explain to me like i am a four year old.