Lenovo ThinkPad T420 User Manual page 183

.
. ThinkPad Setup
" Digital on Thinkpad
. DisplayPort
Digital 2 " " Digial 1 on dock
DisplayPort " on dock
. DVI
.
NVIDIA Optimus
.
NVIDIA :
Optimus
. Windows 7
BIOS
NVIDIA
Optimus
.
Intel SpeedStep
.
: Maximum Performance
: Battery Optimized
: Disabled
.
: Maximize Performance
: Balanced
:
.
.
.
.
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
Balanced
High Performance
Normal
Silent
Disabled
Enabled
Boot Display Device
Graphics Device
OS Detection for NVIDIA
Optimus
®
Intel SpeedStep technology
(Intel SpeedStep mounted
( models only
Adaptive Thermal
Management
Optical Drive Speed
CPU Power Management
( ) Config .
Display
Power