Dear All , I tried to install OpenBSD 4.9 amd , OpenBSD 5.0 amd Release and OpenBSD 5.0 amd Snapshot 2011-11-06 . They could NOT be able to detect SATA II hard disk . I have checked the BIOS devices part . There were three options : IDE , RAID , AHCI . It was set to RAID . I have set it to AHCI . Then OpenBSD 5.0 amd Snapshot 2011-11-06 could be able to detect hard disk as sd0 .
The OpenBSD is the only operating system which fails to detect hard disk on this computer in RAID mode . The main board is Intel DG965 WHM . Other operating systems ( FreeBSD , NetBSD , DragonFlyBSD , Fedora , CentOS , Mandriva , PCLinuxOS , Mint Linux , Puppy Linux , OpenSUSE , and some others ) all are able to detect the hard disks and install successfully in that RAID mode . Thank you very much . Mehmet Erol Sanliturk
