Dell Latitude CPx J - Manual (Page 142)

educational, and utility programs.) However, you may experience performance degradation when
recalculating a large spreadsheet or during an extensive screen redraw in a graphical program.
Benchmark utilities may not perform as intended when doing microprocessor speed tests. If the
software you use suffers significant performance degradation, set Smart CPU Mode to Disabled.
A change to the Smart CPU Mode option takes effect immediately (rebooting is not required).
Intel SpeedStep™ Setup
SpeedStep Setup allows you to set the performance level for the microprocessor to maximum performance
or minimum performance on battery or AC power.
NOTES: This utility is available only for CPx J-Series systems.
With systems running under ACPI, power management settings are controlled from the Power
Management Properties window in the Control Panel. Certain features require configuration
through the Power Management Properties window and others may not function with ACPI.
Settings for this option are:
Disabled (the default) — Sets the system to operate in the lowest performance mode possible. When
this option is selected, the SpeedStep tab of the Power Management Properties window will not be
available.
Automatic — Allows the BIOS to set the system into either AC performance or Battery performance
mode at POST, based on AC availability.
Maximum Optimized AC — Allows the BIOS to set the microprocessor to highest performance mode
possible, if the AC adapter is inserted.
Battery Optimized — Allows the BIOS to set the microprocessor to the lowest performance mode
possible, if the AC adapter is inserted.
Suspend Time-out
Suspend Time-out lets you determine how long your computer remains idle before activating suspend
mode to conserve battery power.
NOTE: With systems running under ACPI, power management settings are controlled from the Power
Management Properties window in the Control Panel. Certain features require configuration
through the Power Management Properties window and others may not function with ACPI.
Settings for this option in both AC and Battery categories are:
Disabled
1 Minute
2 Minutes
5 Minutes
10 Minutes (default)
15 Minutes