Serial ATA and RAID Controllers. Part I

All modern motherboards have built-in Serial ATA and RAID controllers.




Configure SATA As (SATA/RAID Mode)

This parameter sets an operating mode of built-in Serial ATA controller.

Possible values:

  • Standard IDE (Disabled) – SATA drive will operate in the mode compatible with IDE;
  • RAID – this value should be selected when creating RAID-sets out of several hard disks;
  • AHCI (Advanced Host Controller Interface) – advanced operating mode of SATA controller which supports a hot drives plug. AHCI is only supported by disks with Serial ATA2 standard.


Changes in operating mode of Serial ATA controller may lead to situations when operating systems would stop its booting. In this case you should return the previous value of this parameter or reboot Windows.


OnChip SATA Mode (ATA/IDE Configuration)

This parameter sets the benefitsharing mode of SATA and IDE drives.

Possible values:

  • Disabled (Off) – Serial ATA controller is on; only IDE hard disks at=re used;
  • Auto – BIOS automatically defined all connected SATA and IDE drives and then sets the available modes “Master/Slave” for them;
  • Combined Mode (Legacy Mode) – the benefitsharing mode of SATA and IDE disks which supports up to four drives and is compatible to MS-DOS and Windows 98/Me. For SATA disks you should also assign the emulation of one of standard IDE-channels using the parameter “Serial ATA Port0/1 Mode”;
  • Enhanced Mode (Native Mode) – an advanced benefitsharing mode of SATA and IDE disks which supports up to six drives (it is not supported by Windows 98/Me);
  • SATA Only – only SATA disks are used which have “Primary Master” or “Secondary Master” modes.