Windows 7 - Lenovo ThinkPad T520 User Manual

Table 8. Config menu items (continued)
Menu item
Display
Power
Submenu item
Boot Display Device
Graphics Device
OS Detection for NVIDIA
Optimus
®
Intel SpeedStep
technology (Intel
SpeedStep mounted
models only)
Adaptive Thermal
Management
Selection
• ThinkPad LCD
• Analog (VGA)
• Digital on ThinkPad
• Digital 1 on dock
• Digital 2 on dock
• Integrated Graphics
• Discrete Graphics
• NVIDIA Optimus
• Disabled
• Enabled
• Disabled
• Enabled
Mode for AC
• Maximum Performance
• Battery Optimized
Mode for Battery
• Maximum Performance
• Battery Optimized
Scheme for AC
• Maximize Performance
• Balanced
Scheme for Battery
• Maximize Performance
Chapter 8
Comments
Select the display device
that is to be active at boot
time. This selection is
effective for boot time,
password prompt, and
ThinkPad Setup.
"Digital on Thinkpad"
is DisplayPort on your
computer.
"Digial 1 on dock" and
"Digital 2 on dock" are
DisplayPort or DVI on
docking station.
Integrated Graphics will
achieve longer battery life,
and Discrete Graphics
enhances performance.
NVIDIA Optimus runs as
Integrated Graphics mode
and Discrete Graphics is
enabled on demand.
Note: NVIDIA Optimus
mode should only be
selected if you are using a
Windows 7 model.
System BIOS automatically
switches Graphics device
setting to NVIDIA Optimus
mode if the OS supports
the feature, and to Discrete
Graphics if the OS does not
support it.
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
This selects a thermal
management scheme to
use.
Maximize Performance:
Reduces CPU throttling
.
Advanced configuration
209