Compaq 1200 Specifications download pdf (Page 18)

United States January 3, 2003

Maintenance & Service Guide

Presario 1200 Series

Models: 1230 and 1232

Illustrated Parts Map | Removal & Replacement Procedures | Specifications

Pin Assignments | Battery Pack Operations

Power Management for Windows 95

The following power management features are available for conserving AC power

and extending battery operating time:

● Power Management Settings

● Sleep

● Hibernation

● Battery Operating Time

Power Management Settings

You can select power conservation settings through Power Management located

on the System Features menu in Computer Setup. Computer Setup can be

accessed by pressing F10 when the Compaq logo appears on the screen. These

settings control the power conservation rate and the timeout values for various

system components. A timeout is a specified period of system or component

inactivity. After this period, the system or component (for example, the hard

drive) is shut down to conserve power until it is accessed again.

There are four categories of power management settings: Maximum Power

Saving, Maximum Performance, Customized, and Disabled. The default setting

for each feature is listed in below table.

Power Conservation Default Time-out Settings

Features Maximum

Power

Saving

Maximum

Performance

Customized Disabled

Idle Mode On Off Off Off

Sleep Timeout 5 minutes 60 minutes 15 minutes Off

Resume On Time Off Off Off Selectable

Resume Time Selectable Selectable Selectable Selectable

Hard Drive Timeout 10 seconds 15 minutes 5 minutes Disabled

Sleep

Sleep is a power conservation mode that performs the following functions:

● Turns off the display after a selected period of inactivity.

● Automatically reduces the amount of power the computer uses.

● The computer is immediately ready for use when any key is pressed.

● Sleep mode is indicated by the blinking Power On LED.

The computer may be manually put in Sleep mode by pressing the Fn + F4

keys.

Hibernation Mode

Hibernation is a power conservation mode that performs the following functions:

● Saves all current information from memory to a file on the hard drive.

● Turns off the computer.

● Can be restored after any amount of time.

The Hibernation file is preinstalled on the hard disk. The Hibernation file is

slightly larger than the total RAM memory of the computer (system memory,

memory expansion board, video memory). The Hibernation 100-MB partition can

be reinstalled with the QuickRestore CD.

Hibernation is initiated by one of the following means:

● Automatically when the system is operating on Battery Power and

has been in Sleep Mode for 60 minutes.

● Automatically when the battery reaches a low battery level.

● Manually by pressing the power button.

When the Power button is pushed, the computer exits Hibernation.

Battery Operating Time

Battery operating time is affected by variables, such as the following:

● Power conservation settings

● Hardware configuration

● Software applications

● Installed options

● Display brightness

● Hard drive usage

● Power button

● Changes in operating temperature

● Type and number of installed PC Cards

For more information on increasing battery pack operating time, conditioning the

battery pack, and disposing of a used battery pack, refer to the Battery Pack

Operations.

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Compaq 1200 Specifications Page 18

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