Originally Posted by rpstewart
I'm not familiar with the Intel drivers but for NVidia it's on the SATA controller property page in Device Manager, that's probably a good place to start.
Originally Posted by arfur
I dont know how to turn it off on Intel but I have on my Nforce one, and it made about 15-20Mb/s difference. I think the NCQ gets a bit confused when its trying to arrange more than 1 disk. I also noticed that my CPU overhead dropped a lot as well when it was turned off, it works a treat on single disks though,
Originally Posted by rpstewart
Well turning off NCQ didn't do much for my RAID0 array, only another 5Mb/s. However it didn't half give my RAID5 array a kick up the backside, it went from an average read of about 180Mb/s to over 225Mb/s![]()