Reference Guide

--acpower

Valid Argument off, last, on

Description

Sets the behavior of the system after Alternating Current (AC) power is lost.

• off — When AC power is restored, the system remains turned off.

• on — When AC power is restored, the system turns on.

• last — When the AC power is restored, the system returns to the state it

was in when the power was lost.

Example

C:\>cctk --acpower=off

acpower=off

--activityled

Valid Argument actled, wlan, disable

Description

Sets the Network Activity Light Emitting Diode (LED) to any of the following:

• actled — Sets the Activity LED controlled by an Advanced Configuration

and Power Interface (ACPI) operating system and driver.

• wlan — Sets the Activity LED as a wireless Local Area Network (LAN) radio

on/off indicator.

• disable — Sets the Activity LED to off.

Example

C:\>cctk --activityled=actled

activityled=actled

--adddevice

Valid Argument usb

Description

Adds the specified device to the boot device list. At present, only the Universal

Serial Bus (USB) storage device is supported. This option is not valid on all the

systems. The USB storage device is added at the end of the boot order. If the

USB storage device is already added in the boot order list, the following

message is displayed while executing the option:USB device is already

present in this machine.

NOTE: The adddevice option is not supported on the systems with UEFI-

based BIOS.

Example

C:\>cctk --adddevice=usb

--adjcacheprefetch

Valid Argument enable, disable

Description

Enables or disables the adjacent cache line prefetch.

• enable — The processor fetches the cache line containing the currently

requested data, and pre-fetches the following cache line.