Power Management Modes; Full Power Mode & Maximum Performance; Acpi; Suspend Mode - Asus L3C Hardware User Manual

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Using the Notebook PC

Power Management Modes

The Notebook PC has a number of automatic or adjustable power saving features that you can use to

maximize battery life and lower Total Cost of Ownership (TCO). You can control some of these features

through the Power menu in the BIOS Setup. ACPI power management settings are made through the

operating system. The power management features are designed to save as much electricity as possible

by putting components into a low power consumption mode as often as possible but also allow full

operation on demand. These low power modes are referred to as Standby (or Suspend-to-RAM) and

Hibernation mode or Suspend-to-Disk (STD). The Standby mode is a simple function provided by the

operating system. When the Notebook PC is in either one of the power saving modes, the status will be

shown by the following: Standby: Power LED Blinks and Hibernation: Power LED OFF.

Full Power Mode & Maximum Performance

The Notebook PC operates in Full Power mode when the power management function is disabled by

configuring Windows power management and Speedstep (see Driver & Utility manual). When the

Notebook PC is operating in Full Power Mode, the Power LED remains ON. If you are conscious of

both system performance and power consumption, select "Maximum Performance" instead of disabling

all power management features.

Advanced Configuration and Power Management (ACPI) was developed by Intel, Microsoft, and Toshiba

especially for Windows and later to control power management and Plug and Play features. ACPI is the

new standard in power management for Notebook PCs. If installing Windows 98 using a BIOS dated

12/1/1999 or later, ACPI is automatically installed.

NOTE: APM was used in older operating systems like Windows NT4 and Windows 98.

Because newer operating systems like Windows 2000 and Windows ME utilize ACPI,

APM is no longer fully supported on this Notebook PC.

In Standby and Hibernation, the CPU clock is stopped and most of the Notebook PC devices are put

in their lowest active state. The suspend mode is the lowest power state of the Notebook PC. The

Notebook PC enters Suspend when the system remains idle for a specified amount of time or manually

using the [Fn][F1] keys. The Power LED blinks when the Notebook PC is in STR mode. In STD mode,

the Notebook PC will appear to be powered OFF. Recover from STR by pressing any keyboard

button (except Fn). Recover from STD by using the power switch (just like powering ON the

Notebook PC).

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