Abit IS-20, IS-12, IS-10, IS-11 specification

IDE Bus Master

This option enables or disables the IDE bus mastering capability under the DOS environment.

Onboard IDE-1 Controller

This item enables or disables the onboard IDE-1 controller.

Onboard IDE-2 Controller

This item enables or disables the onboard IDE-2 controller.

Onboard S-ATA Controller

This item determines the function for on-chip Serial ATA. [Disabled]: Disable the Serial ATA controller.

[Auto]: Allows the Serial ATA controller to be arranged by BIOS automatically.

[Combined Mode]: Parallel ATA and Serial ATA are combined together. Supports up to 2 IDE drives in each channel.

[Enhanced Mode]: Enable both Parallel ATA and Serial ATA. Supports up to 6 IDE drives.

[SATA Only]: The SATA is operating in legacy mode.

Abit IS-20, IS-12, IS-10, IS-11 user manual