Onboard ATA Device First
Possible values of an option:
The option description:
Gives the chance to specify, on what hard disks it is necessary to search for an operating system first of all. At value [Yes] originally there is an operating system search on hard disks and other devices connected to the standard IDE/SATA-controler of a chipset, and at value [No] — on connected to additional IDE-/SATA – SCSI – or to the RAID-controler.
Other options identical to destination: