Acer TravelMate 720 User Guide - Page 60

Hard Disk Standby Mode, Standby Mode, the Hard Disk Timeout value.

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Power Management Hard Disk Standby Mode The hard disk enters standby mode when there are no disk read/write operations within the period of time specified by the Hard Disk Timeout value. In this state, the power supplied to the hard disk is reduced to a minimum. The hard disk returns to normal once the computer accesses it. Standby Mode The computer consumes very low power in Standby mode. Data remain intact in the system memory until the battery is drained. There are four ways to enter Standby mode: u Pressing the Standby hot key Fn-F3 u If the waiting time specified by the Standby Timeout value or the operating system elapses without any system activity u Closing the display cover u When the computer is about to enter Hibernation mode (e.g., during a battery low condition), but the Hibernation file is invalid or not present Note: If the computer beeps but does not enter Standby mode after pressing the Standby hot key, it means the operating system will not allow the computer to enter the power-saving mode. The following signals indicate that the computer is in Standby mode: u The buzzer beeps u The Standby indicator lights Warning: Unstored data is lost when you turn off the computer power in Standby mode or when the battery is drained. 40 User's Guide

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Power Management
40
User’s Guide
Hard Disk Standby Mode
The hard disk enters standby mode when there are no disk
read/write operations within the period of time specified by
the Hard Disk Timeout value.
In this state, the power
supplied to the hard disk is reduced to a minimum.
The
hard disk returns to normal once the computer accesses it.
Standby Mode
The computer consumes very low power in Standby mode.
Data remain intact in the system memory until the battery
is drained.
There are four ways to enter Standby mode:
Pressing the Standby hot key
Fn-F3
If the waiting time specified by the Standby Timeout
value or the operating system elapses without any
system activity
Closing the display cover
When the computer is about to enter Hibernation mode
(e.g., during a battery low condition), but the
Hibernation file is invalid or not present
The following signals indicate that the computer is in
Standby mode:
The buzzer beeps
The Standby indicator lights
Note:
If the computer beeps but does not enter Standby
mode after pressing the Standby hot key, it means the
operating system will not allow the computer to enter the
power-saving mode.
Warning: Unstored data is lost when you turn off the
computer power in Standby mode or when the
battery is drained.