Lenovo ThinkPad X1 Carbon User Manual page 93

Table 2. Config menu items (continued)
Menu item
Display
Power
Submenu item
Boot Display Device
Shared Display Priority
Total Graphics Memory
Boot Time Extension
®
Intel SpeedStep
technology
(Intel SpeedStep mounted
models only)
Value
• ThinkPad LCD
• DisplayPort
• HDMI
• Display on dock
• HDMI
• Display on dock
• 256 MB
• 512 MB
• Disabled
• 1 second
• 2 seconds
• 3 seconds
• 5 seconds
• 10 seconds
• Disabled
• Enabled
Mode for AC
• Maximum Performance
• Battery Optimized
Mode for Battery
• Maximum Performance
• Battery Optimized
Chapter 6
Comments
Select the display device
that is to be activated at
boot time. This selection
is effective for boot time,
password prompt, and
ThinkPad Setup.
DisplayPort is the mini
DisplayPort connector on
your computer.
HDMI is the HDMI
connector on your
computer.
Display on dock displays
connectors on a dock.
Select the priority between
shared display outputs.
HDMI and Dock displays
share a single display
output. This option chooses
which one is prioritized.
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.
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.
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.
.
Advanced configuration
77