Lenovo ThinkPad L450, User Manual

Page: 87 / 186

Table 2. Config menu items (continued)
Menu item Submenu item Selection Comments
desired function key. The
action is equivalent to
pressing the required key
simultaneously with the Fn
key. When you press the
Fn key twice, the state is
locked until you press the
Fn key again.
Boot Time Extension • Disabled
• 1 second
• 2 seconds
• 3 seconds
• 5 seconds
• 10 seconds
This option defines the
amount of time to extend
the boot process, in
seconds.
The system cannot detect
some external monitors
during boot because they
need a few seconds to be
ready. Try this option if the
monitor being used does
not display the boot screen.
Boot Display Device • ThinkPad LCD
• Analog (VGA)
• Digital on ThinkPad
• Display on Dock
Select the display device
that is to be activated at
boot time. This selection
is effective for boot time,
password prompt, and
ThinkPad Setup.
Display
Total Graphics Memory • 256MB
• 512MB
Allocate total memory
which Intel internal graphics
device shares.
If you select 512MB , the
maximum usable memory
might be reduced on the
32-bit operating system.
Intel SpeedStep
®
technology
• Disabled
• Enabled
Select the mode of Intel
SpeedStep technology at
runtime.
• Maximum
Performance
: Always
highest speed
• Battery Optimized :
Always lowest speed
• Disabled : No runtime
support, lowest speed
Adaptive Thermal
Management Scheme for AC
• Maximize Performance
• Balanced
Scheme for Battery
• Maximize Performance
Select a thermal
management scheme
to use.
Maximize Performance :
Reduce microprocessor
throttling.
Power
Chapter 6
.
Advanced configuration
71