Lenovo PC 300GL User Guide (including system setup and option in - Page 54

Setting Power-Management Features, Automatic Hardware Power Management

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Setting Power-Management Features With power-management, the computer and monitor (if the monitor supports DPMS) can be set to go into a reduced-power state if they are inactive for a specified length of time. Time to Low Power: With this option, you can specify the amount of time that the computer must be inactive before power-management features take affect. You can select from 5 minutes to 1 hour. System Power: With this option, you can select On if you want the computer to remain on, or Off if you want the computer to shut down. Display: You can use this option to select one of the following reduced-power states: - Standby: In this mode, the screen is blanked, but the screen image is restored immediately when any activity is detected. - Suspend: In this mode, the monitor uses less power than in Standby mode. The screen is blanked, but the screen image is restored within a few seconds after any activity is detected. - OFF: In this mode, the monitor power is turned off. To restore power to the monitor, you must press the monitor power switch. On some monitors, you might have to press the power switch twice. If OFF is selected, you must specify the Time to Display 'off'. You can select 5 minutes to 1 hour. Note: Time to display off is the amount of time after the reduced-power state begins until the display turns off. - Disable: In this mode, the monitor is unaffected by the power management settings. IDE Drives: You can use this selection to specify if the IDE drives should be enabled or disabled when power management options take affect. To set power-management features: 1. Start the Configuration/Setup Utility Program (see "Starting and Using the Configuration/Setup Utility Program" on page 27). 2. Select Power Management and press Enter. 3. Select APM and press Enter. 4. Set Automatic Hardware Power Management to Enabled. 5. Select values for power management (time to low power, system power, processor speed, display, and time to display off), as desired. 6. Select Activity Monitor and press Enter. 40 PC 300GL User Guide

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Setting Power–Management Features
With power–management, the computer and monitor (if the monitor
supports DPMS) can be set to go into a reduced-power state if they are
inactive for a specified length of time.
±
Time to Low Power:
With this option, you can specify the amount of
time that the computer must be inactive before power–management
features take affect.
You can select from 5 minutes to 1 hour.
±
System Power:
With this option, you can select
On
if you want the
computer to remain on, or
Off
if you want the computer to shut down.
±
Display:
You can use this option to select one of the following
reduced-power states:
–
Standby:
In this mode, the screen is blanked, but the screen image
is restored
immediately
when any activity is detected.
–
Suspend:
In this mode, the monitor uses less power than in
Standby mode.
The screen is blanked, but the screen image is
restored
within a few seconds
after any activity is detected.
–
OFF:
In this mode, the monitor power is turned off.
To restore
power to the monitor, you must press the monitor power switch.
On some monitors, you might have to press the power switch
twice.
If
OFF
is selected, you must specify the
Time to Display 'off'
.
You
can select 5 minutes to 1 hour.
Note:
Time to display off
is the amount of time after the
reduced-power state begins until the display turns off.
–
Disable:
In this mode, the monitor is unaffected by the power
management settings.
±
IDE Drives
: You can use this selection to specify if the IDE drives
should be enabled or disabled when power management options take
affect.
To set power–management features:
1.
Start the Configuration/Setup Utility Program (see “Starting and Using
the Configuration/Setup Utility Program” on page
27).
2.
Select
Power Management
and press
Enter
.
3.
Select
APM
and press
Enter
.
4.
Set
Automatic Hardware Power Management
to
Enabled
.
5.
Select values for power management (time to low power, system
power, processor speed, display, and time to display off), as desired.
6.
Select
Activity Monitor
and press
Enter
.
40
PC 300GL User Guide