Suspend/Standby Modes - Texas Instruments TravelMate 4000M User Reference Manual

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Suspend/Standby Modes

The computer has three suspend/standby modes you can
select as needed. The three modes, listed in order of
power-saving capabilities, are the cover-closed suspend
mode, the manual standby mode, and the auto-suspend
mode. All three modes are effective in the two Windows
operating modes, including the 386-enhanced mode.
The modes differ in the manner they are enabled and
disabled:
Task execution
Task interrupt servicing
LCD
Hard disk and floppy drive accessing
Caution: Using the suspend/standby modes for too long
can discharge the battery to the point that it can no
longer power both the
curs, your computer will not come out of standby mode
and you must either recharge your battery or plug in
AC power.
Cover-Closed Suspend Mode
This mode, which you can invoke simply by closing the
cover, saves the most battery power. In this mode (if
enabled in the Setup Program), the computer suspends all
tasks, does not service interrupts, and disables the
Optimizing Battery Operation
Foreground/
Background
Resume Tasks
By Active?
Service Backlight
Interrupts On
and the hard disk. If this oc-
LCD
Power-Saving Utilities 5-3
HDD/FDD Power
Accesses Used
Drives (watts)
28.8
watt-hour
,
LCD