Configuration Modes - Intel Atom D2700 User Manual

Embedded Intel® Atom™ Processor D2700 with Intel® NM10 Express Chipset Development Kit User's Manual
 25 MHz to 112 MHz single–channel; @18 or 24 bpp
 TFT panel type
 Panel fitting, panning, and center mode
 CPIS 1.5 compliant
 Spread spectrum clocking
 Panel power sequencing
 Integrated PWM interface for LCD backlight inverter control
 Flat panel brightness control via front panel button input as well as Windows* 7
―Screen brightness‖ adjustment slider

NOTE
Support for flat panel display configuration complies with the following:
1. Internal flat panel display settings are not exposed through Intel
Toolkit or Intel
2. Internal flat panel display settings will not be overwritten by loading BIOS setup
defaults.
3. Internal flat panel display settings will be preserved across BIOS updates.
2.7.5

Configuration Modes

For monitors attached to the VGA port, video modes supported by this board are based
on the Extended Display Identification Data (EDID) protocol.
Video mode configuration for LVDS displays is supported as follows:
 Automatic panel identification via Extended Display Identification Data (EDID) for
panels with onboard EDID support
 Panel selection from common predefined panel types (without onboard EDID)
 Custom EDID payload installation for ultimate parameter flexibility, allowing
custom definition of EDID data on panels without onboard EDID
In addition, BIOS setup provides the following configuration parameters for internal
flat panel displays:
 Screen Brightness: allows the end user to set the screen brightness for the display
effective through the Power-On Self Test stage (such as while showing the splash
screen image and BIOS setup). Windows 7 ignores this setting in favor of the
native ―screen brightness‖ control provided by the operating system.
 Brightness Steps: allows the system integrator to configure the brightness steps for
the operating system's ―screen brightness‖ control (such as the ―Screen brightness‖
adjustment slider under the Windows 7 ―Power Options‖ control panel).
 Flat Panel Configuration Changes Lock: allows the system integrator to ―lock‖
critical settings of the LVDS configuration to avoid end users potentially rendering
the display unusable.
 Color Depth: allows the system integrator to select whether the panel is 24 bpp or
18 bpp.
 Inverter Frequency and Polarity: allows the system integrator to set the operating
frequency and polarity of the panel inverter board.
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