I just installed 9.3 (64bit) last night on an MSI K8N NEO2 Platinum mother board with an Rev E 939 3200+ chip currently over clocked from 2.0 GHz to 2.4 GHz, 1 GB of OCZ Platinum (2-3-2-5) Dual Channel RAM and 2 Seagate 160GB SATA drives in a RAID0 (striped). Well, not fully striped, /boot is mirrored, then 1.3GB on each for swap (un mirrored) and then the rest of the disks are stripped for /. I have horrible I/O latency. Running the top command shows my I/O wait to be around 89%. I had this system running 9.2 (64bit) on a stand alone PATA Seagate drive and it was amazingly fast. So I'm going to assume that I can rule out the over clocking and focus on the I/O and the OS. This is a fresh install of 9.3, not an upgrade from 9.2. DMA is enabled in the BIOS for the SATA drives. I did not see the drives listed under YAST2 for the IDE section to turn on DMA. Does the above listed disk layout (Mirrored/jbod/striped) on the same disk seam acceptable? Where else should I start looking? -Alain.