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2-8 EXTENSA 700/710 Service Guide
Get Default Values
Resets all parameters to their factory-default values.
Load Previous value
Disregards any changes made in the current session and reloads their
previous values.
Save Changes
Saves any changes made.
Heuristic Power Management
This computer has a built-in heuristic power management unit that monitors
system activity. System activity refers to any activity involving one or more of
the following devices: keyboard, mouse, floppy drive, hard disk, peripherals
connected to the serial and parallel ports, and video memory. If no activity is
detected for a period of time (called an inactivity time-out), the computer
stops some or all of these devices in order to conserve energy.
This computer employs an innovative power management technique called
Heuristic Power Management or HPM. HPM allows the computer to provide
maximum power conservation and maximum performance at the same time.
Power management methods used by most computers are timer-based. You
set inactivity time-out values for the display, hard disk, and other devices. The
computer then "sleeps" when these time-outs elapse. The problem with this is
that no two users are alike. Each of us has his or her own habits when using
the computer, which makes timer-based power management ineffective.
With HPM, your computer manages its power according to the way you use
your computer. This means the computer delivers maximum power when you
need it, and saves power when you don’t need the maximum — all without
your intervention. There are no timers to set, because the HPM system
figures out everything for you.
We recommend you enable heuristic power management to prolong your
battery life.
Power Management Modes
Display Standby Mode
Screen activity is determined by the keyboard, the built-in touchpad, and an
external PS/2 pointing device. If these devices are idle for the period
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