Toshiba Portege R30-A - Manual (Page 46)

Video RAM The memory in a computer's graphics adaptor,
used to store the image displayed on a bitmap
display.
The amount of Video RAM available is
dependent on the computer's system memory.
Desktop -> Desktop Assist -> Control Panel ->
Appearance and Personalization -> Display ->
Adjust resolution.
The amount of Video RAM can be verified by
clicking the Advanced settings button in the
Screen Resolution window.
Graphics Processing
Unit Graphics processing unit (GPU) performance
may vary depending on product model, design
configuration, applications, power management
settings and features utilized. GPU performance
is only optimized when operating in AC power
mode and may decrease considerably when
operating in battery power mode.
Legal Footnote (Graphics Processing Unit (GPU))
For more information regarding Graphics Processing Unit (GPU), please
refer to the
Legal Footnotes section.
Intel ® Display Power Saving Technology
Intel GPU models may include the Display Power Saving Technology
feature that can save the computer's power consumption by optimizing
picture contrast on the internal LCD.
This feature can be used if the computer is:
running in battery mode
using the internal LCD display only
The Display Power Saving Technology feature is enabled at factory default.
If you want to turn this feature off, please change it in the settings
accordingly in the Intel
® HD Graphics Control Panel/Intel ® Graphics and
Media Control Panel.
You can access this control panel in the following way:
Right-click on the desktop and click Graphics Properties...
In Intel ® HD Graphics Control Panel:
1. Click Power and select On battery.
2. Click Off under Display Power Saving Technology.
3. Click Apply.
If you want to enable this feature, under the conditions mentioned above,
click On under Display Power Saving Technology.
User's Manual 3-12