Toshiba A40 manual High

3.23 SETUP 3 Tests and Diagnostics

NOTE: In boot mode, the System Auto Off (*1) item does not appear.

Display of the LCD Brightness will be changed in the condition below: (*2) Operating the battery

(*3) Using the AC adapter

User Setting Use this option to set the battery save parameters on the sub-window, BATTERY SAVE OPTIONS. For details, see Battery Save Options below.

(a)Battery Save Options Processing Speed

This feature changes the CPU processing speed.

High	CPU operates at 2.66/2.80/3.06/3.20GHz (Pentium 4
	Northwoood)
	2.66/2.80/3.06/3.20/3.46GHz (Pentium 4 Prescott)
	2.40/2.60/2.60/2.70GHz (Celeron)
	(Default in Full Power Mode)
Low	CPU operates at half processing speed.
	(Default in Low Power Mode)

CPU Sleep Mode

Use this option to enable or disable the CPU sleep function.

Enabled	Enables sleep mode. (Default)
Disabled	Disables sleep mode.

Display Auto Off

Use this option to disable or set the duration of the display automatic power off function. This function causes the computer to turn the LCD panel’s illumination off if you make no entry (including no operation of a mouse or touch pad) for the set period of time.

Disabled Disables display automatic power off.

xxMin. Automatically turns off the power to the LCD panel’s illumination if the panel is not used for the duration set. The duration xx can be set to 1, 3, 5, 10, 15, 20 or 30 minutes.

Satellite A40 Maintenance Manual (960-458) 3-57