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Chapter 4 Power system
45
4-3 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 and Maximum Performance
The Notebook PC operates in Full Power mode when the power management
function is disabled by configuring Windows power management and Speedstep .
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 fea-
tures.
ACPI
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.
Содержание S200N
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Страница 42: ...Chapter 4 Chapter 4 Power system 4 1 AC Power System 4 2 Battery Power System 4 3 Power Management Modes ...
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