Lenovo ThinkPad T550, User Manual

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Table 3. Config menu items (continued)
Menu item Submenu item Value Comments
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.
Digital on ThinkPad is the
Mini DisplayPort on your
computer.
Display on dock is
DisplayPort, DVI or VGA
connectors on a docking
station.
Total Graphics Memory • 256 MB
• 512 MB
Allocate the total memory
which Intel internal graphics
shares.
Note: If you select 512
MB , the maximum usable
memory might be reduced
on 32–bit operating system.
Display
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 the
external monitors might
need a few seconds to be
ready. Try this option if the
external monitor being used
does not display the boot
screen.
Intel SpeedStep
®
technology
(Intel SpeedStep mounted
models only)
• Disabled
• Enabled
Mode for AC
• Maximum Performance
• Battery Optimized
Mode for Battery
• Maximum Performance
• Battery Optimized
Select the mode of Intel
SpeedStep technology at
runtime.
Maximum Performance:
Always highest speed.
Battery Optimized: Always
lowest speed.
Disabled: No runtime
support, highest speed.
Adaptive Thermal
Management
Scheme for AC
• Maximize Performance
• Balanced
Scheme for Battery
Select a thermal
management scheme
to use.
Maximize Performance:
Reduce microprocessor
throttling.
Power
Chapter 6
.
Advanced configuration
79