Automatic Hardware Power Management Features; Setting Automatic Hardware Power Management Features - IBM NETVISTA 2251 Hardware Maintenance Manual

Automatic Hardware Power Management features

Automatic Hardware Power Management can reduce the power states of the
computer, processor, and monitor (if the monitor supports DPMS) if they are
inactive for a predetermined length of time.
There are three levels of specified time that the computer must be inactive before
the power management options that are selected take effect. Select the amount of
time that is offered within each level.
Level 1
Level 2
Level 3
At each level, you can define the amount of energy savings by specifying values
for the following options.
v
v
v

Setting Automatic Hardware Power Management features

100
Hardware Maintenance Manual
Set time from 5 minutes to 4 hours.
Set time from 10 minutes to 5 hours.
Set time from 15 minutes to 6 hours.
System Power
– Select On for the computer to remain on.
– Select Off for the computer to shut down.
Processor Speed
Set the microprocessor to be disabled, or to run at 1, 10, 25, or 50 percent of its
internal clock speed.
Display
Set display to be disabled or to be reduced at these power states:
– Standby: Screen is blank, but can be restored immediately when any activity
is detected.
– Suspend: Monitor uses less power than in Standby mode. Screen image is
restored after a few seconds when any activity is detected.
– Off: Monitor power is off. Press Monitor power button to restore power. On
some monitors, you might have to depress the power button twice.
1. Start the Configuration/Setup Utility program (see "Setup Utility program" on
page 8).
2. Select Advanced Power Management from the Configuration/Setup Utility
program menu.
3. Select the APM BIOS Mode and be sure it is set to Enabled. If it is not, press
Left Arrow (}) or Right Arrow (Æ) to change the setting.
4. Select Automatic Hardware Power Management.
5. Set Automatic Hardware Power Management to Enabled.
6. Select values for the three categories of power management (system power,
processor speed, and display), as necessary.
7. Set Hard Disk to Enabled or Disabled.
Note: This does not apply to SCSI drives.
8. Press Esc twice to return to the Configuration/Setup Utility program menu.