Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 33

Alarms, SpeedStep Technology, Maximum Performance, Battery Optimized, Reversed, Recommended, Disabled

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Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Alarms The Notebook can be set to alarm when the battery power level is reduced or when it reaches a critically low level. The Notebook can also be set to enter a low-power mode when the battery reaches a specific power level. Ä CAUTION: The settings on the Alarms tab are preset for the Notebook to run at optimum efficiency. Changing any of these settings may cause the Notebook to function improperly. It is recommended that these settings be left at their default values. Default Alarm Settings Setting Low Battery Critical Battery Alarm power level 10% 0% Notification Sound No Action Power Mode Active No Action Enabled Hibernation Enabled SpeedStep Technology SpeedStep Technology features several options for processor response to low-power conditions. These include the following settings: • Maximum Performance: always at high speed • Battery Optimized: always at low speed • Reversed: opposite recommended • Recommended: performance on AC, Battery-Optimized on Battery • Disabled: no run-time support, high speed SpeedStep options can be accessed in three ways: • Access F10 Setup during startup and select the Advanced screen. • Click the Start>Settings>Control Panel>Power Options>Intel(R) SpeedStep(TM) technology tab. • Double-click the Flag icon on the Windows taskbar to open the Intel(R) SpeedStep(TM) technology dialog box. 4 BATTERY AND POWER MANAGEMENT PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES

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4 B
ATTERY
AND
P
OWER
M
ANAGEMENT
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Alarms
The Notebook can be set to alarm when the battery power level is reduced or when it
reaches a critically low level. The Notebook can also be set to enter a low-power mode
when the battery reaches a specific power level.
Ä
CAUTION:
The settings on the Alarms tab are preset for the Notebook to run at
optimum efficiency. Changing any of these settings may cause the Notebook to
function improperly. It is recommended that these settings be left at their default
values.
SpeedStep Technology
SpeedStep Technology features several options for processor response to low-power
conditions. These include the following settings:
•
Maximum Performance
: always at high speed
•
Battery Optimized
: always at low speed
•
Reversed
: opposite recommended
•
Recommended
: performance on AC, Battery-Optimized on Battery
•
Disabled
: no run-time support, high speed
SpeedStep options can be accessed in three ways:
•
Access
F10
Setup during startup and select the
Advanced
screen.
•
Click the
Start
>
Settings
>
Control Panel
>
Power Options
>
Intel(R)
SpeedStep
(TM)
technology
tab.
•
Double-click the Flag icon on the Windows taskbar to open the
Intel(R)
SpeedStep
(TM)
technology
dialog box.
Default Alarm Settings
Setting
Low Battery
Critical Battery
Alarm power level
10%
0%
Notification
Sound
No Action
Power Mode
No Action
Hibernation
Active
Enabled
Enabled