Reference Guide

--satactrl

Valid Argument enable, disable

Description Enables or disables all the SATA controllers. The option applies to all SATA controllers.

--satadipm

Valid Argument enable, disable

Description Enables and disables the feature that allows SATA HDDs to initiate link power management

transitions.

--scndidemaster

Valid Argument auto, off

Description Enables or disables secondary parallel IDE master channel.

--scndideslave

Valid Argument auto, off

Description Sets the secondary parallel IDE master channel to off or auto.

--scsi3

Valid Argument

enable, disable

Description Enables or disables the third built-in SCSI controller.

--sdcardboot

Valid Argument

enable, disable

Description

Enables or disables the system to boot from SD card.

• enable — Allows the system to boot from SD card.

• disable — Restricts the system to detect SD card and boot from the SD card.

--sdcardreadonly

Valid Argument

enable, disable

Description

Enables or disables the read-only mode for SD card.

--secureboot

Valid Argument

enable

Description

Enables secure boot authentication. If enabled, BIOS should only perform Secure Boot

authentication and boot in UEFI mode without loading Compatibility Support Module (CSM). BIOS

refers to this setting to decide on the POST behavior.