Compaq.com - Compaq Presario Maintenance and Service Guide - 3500 Series
United States December 9, 2002
Maintenance & Service Guide
Presario 3500 Series Personal Computers
MSG Index
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Power Management Features
Compaq Presario 3500 Series Personal Computers support the following power management
capabilities.
●
Sleep (standby)
●
(APM) 1.2
The following is a list of the power management features:
●
Power Status Lights
. You can quickly tell the sleep condition of the system by glancing at
the Power Status Lights.
●
Automatic standby
. In Windows 98 there are different Power Schemes under which the
system goes into Sleep mode automatically when it times out. The optional settings for
Windows 98 are
Home/Office Desk
,
Portable/Laptop
and
Always On
. The system
supports different levels of power management for varying patterns of computer usage.
●
Default and Adjustable timeout settings
. The default setting for Sleep timeout is 30
minutes. The Sleep timeout value can be set in the
Control Panel
by clicking the
Power
Management
icon. At the
Properties
screen, click
System Standby
,
Turn off Monitor
,
and
Turn off Hard Disk
to set the length of time before the system goes to sleep.
●
Manual standby
. To manually put your computer into sleep mode in the Windows 98
desktop, press the
Instant On
button (on the CPU) or the
Sleep
button (on the keyboard).
The power status light on the CPU will light to show that Sleep mode is activated.
●
Other manual standby options
. Another way to put your computer into sleep mode
manually under Windows 98 is to select
Start
, then
Shutdown
. Select
Standby
from the list
of choices to put the system into Sleep mode. The system can then be turned off or left in
Sleep. When the Sleep button is pressed, the system reboots to the Windows 98 Desktop.
●
No audio CD interruption
. When an audio CD is playing, the system will time out and enter
Sleep after 30 minutes or the set time, but audio play will not be interrupted. If either the
Instant On
or the
Sleep
button is pressed, CD play is suspended and the unit enters Sleep.
CD play resumes on the next track when the system wakes.
●
Synchronized software and hardware volume control buttons
.
States of Power Management
Power management can be defined by three distinct power states in which the computer operates:
On, Off, and Sleep. The following table describes the power states and lists the power consumption
of each state:
Power Management States
Energy State
Description
Power Consumption
On
Power is available to the system and
the
On/Off
switch in the back is in
the
ON
position. The power status
light is green.
64 Watts Avg., 110 Watts Max
Off
Power is not available to the system
and the
On/Off
switch is in the
OFF
position. The power status light is not
lit.
0 Watts
Sleep
Power is available to the system, the
On/Off
switch in the back is in the
ON
position and the computer is in a
low power/standby mode. The power
status light is amber.
23 Watts
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