HP Integrity rx2800 HP Integrity rx2800 i2 2D Graphics Adapter Installation Gu - Page 15
Restrictions and Limitations, No Accelerated 3D Support, Multiple Colormaps
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Table 3-1 AH423A Graphics Adapter Supported Resolutions Resolution 1024 x 768 1280 x 1024 1280 x 1024 1600 x 1200 1680 x 1050 1920 x 1200 Refresh Rate DVI 60, 70, 75, 85Hz Yes 60Hz Yes 75, 85Hz No 60Hz Yes 60Hz Yes 60Hz No VGA Yes Yes Yes Yes Yes Yes Restrictions and Limitations This section provides information on the limitations and restrictions of the HP Integrity rx2800 i2 2D Graphics Adapter hardware and software. No Accelerated 3D Support The HP Integrity rx2800 i2 2D Graphics Adapter does not support accelerated 3D (e.g. OpenGL). Multiple Colormaps Multiple installed colormaps in depth 8 PseudoColor visual are not supported. The HP Integrity rx2800 i2 2D Graphics Adapters support only one installed colormap at one time. Exceeding this limit will cause colormap "flashing". Applications should not install or uninstall colormaps themselves. The window manager should perform these actions. However, the application is responsible for providing the window manager with hints as to which colormaps to install or uninstall. You provide this information using the following Xlib function: XSetWMColormapWindows (). This function sets the WM_COLORMAP_WINDOWS property for a given window. Default Visual Information The HP Integrity rx2800 i2 2D Graphics Adapter can only support one visual type at one time. Supported default visual types are 8-bit PseudoColor and 24-bit TrueColor. The default depth and visual class is 24-bit TrueColor. To change the default visual, you must edit the Xserver's configuration file which is located at: /etc/X11/XF86Config. The depth is set in the Screen section of the XF86 configuration file. There also needs to be a Display subsection with the correct depth. For example, the following lines will select a 24-bit default visual: Section "Screen" Identifier "Screen 0" DefaultDepth 24 [...] SubSection "Display" Depth 24 [...] EndSubSection SubSection "Display" Depth 8 [...] Restrictions and Limitations 15