Product Description
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1.6.2.1 LVDS Interface
The LVDS flat panel display interface supports the following:
• 1920 x 1200 @ 60 Hz resolution
• Single-channel and dual-channel interface, up to 135 MHz clock rate 18 bpp and
24 bpp (VESA* and JEIDA mappings) color depth support
• Multiple EDID data source capability (panel, predefined, and custom payloads)
• 3.3 V, 5 V, and 12 V flat panel display voltage flexibility, with up to 3 A current
• 12 V and 19 V backlight inverter voltage flexibility, with up to 3 A current
• Backlight inverter signal redundancy on dedicated header as well as an LVDS
connector (for discrete inverter or panel-integrated inverter support using a single
cable)
• Flat panel brightness control via front panel button input as well as Windows* 7
“Screen brightness” adjustment slider
• Spread-spectrum control
1.6.2.2 Embedded DisplayPort (eDP) Interface
The eDP (Embedded DisplayPort) flat panel display interface supports the following:
• 1920 x 1200 @ 60 Hz resolution
• 1-lane, 2-lane, and 4-lane bandwidth at 1.62 Gb/s or 2.7 Gb/s
• Multiple EDID data source capability (panel, predefined, and custom payloads)
• 3.3 V, 5 V, and 12 V flat panel display voltage flexibility, with up to 3 A current
• 12 V and 19 V backlight inverter voltage flexibility, with up to 3 A current
• Backlight inverter signal redundancy on a dedicated header as well as an eDP
connector (for discrete inverter or panel-integrated inverter support using a single
cable)
• Flat panel brightness control via front panel button input as well as Windows 7
“Screen brightness” adjustment slider
1.6.2.3 Configuration Modes
For monitors attached to the HDMI and DVI ports, video modes supported by this
board are based on the Extended Display Identification Data (EDID) protocol.
Video mode configuration for eDP/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 will ignore this setting in favor of the
native “screen brightness” control provided by the operating system.
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