Congatec COM Express conga-B915 User Manual page 71

Feature
Local Flat Panel Type
SDVO Local Flat Panel
Type
Local Flat Panel Scaling
Backlight Control
Inhibit Backlight
Invert Backlight Control
PWM Backlight Control
Copyright © 2008 congatec AG
Options Description
Auto Select a predefined LFP type or choose Auto to let the BIOS automatically detect and configure the attached
VGA 1x18 (002h) LVDS panel.
VGA 1x18 (013h) Auto detection is performed by reading an EDID data set via the video I²C bus.
SVGA 1x18 (01Ah) The number in brackets specifies the congatec internal number of the respective panel data set.
XGA 1x18 (006h)
XGA 2x18 (007h) Note: Customized EDID™ utilizes an OEM defined EDID™ data set stored in the BIOS flash device.
XGA 1x24 (008h)
XGA 2x24 (012h) VGA
SXGA 2x24 (00Ah) SVGA = 800x600
SXGA 2x24 (018h) XGA
UXGA 2x24 (00Ch) SXGA = 1280x1024
Customized EDID™ 1 UXGA = 1600x1200
Customized EDID™ 2
Customized EDID™ 3
Disabled A SDVO local flat panel is a LVDS panel connected to an SDVO LVDS transmitter on one of the SDVO ports.
VGA 1x18 (002h)
VGA 1x18 (013h)
SVGA 1x18 (01Ah)
XGA 1x18 (006h)
XGA 2x18 (007h)
XGA 1x24 (008h)
XGA 2x24 (012h)
SXGA 2x24 (00Ah)
SXGA 2x24 (018h)
UXGA 2x24 (00Ch)
Customized EDID™ 1
Customized EDID™ 2
Customized EDID™ 3
Centering, Select whether and how to scale the actual video mode resolution to the local flat panel resolution. This also
Expand Text, applies for SDVO local flat panels, but only if Boot Display Device is set to SDVO only.
Expand Graphics,
Expand Text & Graphics
Auto, 0%, 25%, 50%, 75%, 100% Select local flat panel backlight control value. If set to Auto, the BIOS tries to read the backlight brightness value
from the EPI data set.
No Decide whether the backlight on signal should be activated when the panel is activated or whether it should
Permanent remain inhibited until the end of BIOS POST or permanently inhibited.
Until End Of POST
No Allow inversion of backlight control values if required for the used backlight hardware controller.
Yes
Disabled Enable/Disable backlight PWM output of COM Express.
Enabled
= 640x480
= 1024x768
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