Global American 3307740, User Manual

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3307740 PICMG 1.3 CPU Card
Page 33
2.5.4.1 Intel
®
915GM Analog CRT Support
A DB-15 VGA connector on the external peripheral interface connector panel is interfaced
to the Intel
®
915GM graphics engine. The Intel
®
915GM internal graphics engine, with an
integrated 400MHz RAMDAC and hot plug CRT support, supports analog CRT monitors
with the following features:
„ Supports max DAC frequency up to 400 MHz
„ 24-bit RAMDAC support
„ DDC2B compliant
„ Up to 2048 x 1536 mode support
2.5.4.2 Intel
®
915GM LVDS Support
A 30-pin LVDS crimp connector is interfaced to the Intel® 915GM graphics engine. The
Intel® 915GM internal graphics engine supports LVDS displays with the following
features:
„ Compliant with ANSI/TIA/EIA -644-2001 spec
„ Integrated dual channel LVDS interface supported on Display Pipe B only
„ Supports 25 to 112 MHz single/dual channel LVDS interface
o
Single channel LVDS interface support: 1 x 18 bpp
o
Dual channels LVDS interface support: 2 x 18 bpp
„ TFT panel type supported
„ Maximum Panel size supported up to UXGA
„ Maximum Wide panel size supported up to WUXGA
„ Ambient Light Sense support for automatic backlight brightness adjustments
„ Intel Display Power Savings Technology 2.0 support
„ Supports Single pipe simultaneous display with the CRT DAC and the LVDS
ports under the following conditions:
o
Timings must match for both display
„ Panel Fitting. Panning, and Center mode supported
„ Spatial Dithering support to emulate up to 16 million colors for 18bpp TFT
panels
„ Spread spectrum clocking (SSC) supported