Thank's for your quick answer, I see more clearly now...You're completely right! This is caused by the render module. One solution is to use a nVidia card with the driver from nVidia. They have an option in their driver 'NoRenderExtension' which disables the render module and gives you your precious colors in pseudocolor mode back! Another option is to rebuild the X server without render module. It is doable (I tested it) but the nVidia solution is much more elegant.
I've got an Nvidia Vanta card somewhere, so I'm going to try your solution using the Nvidia driver.
But for our needs, we must have a solution for other graphics cards .
So I aim to rebuild the X server without render module to try this solution, but reading the "installation details for XFree86 4.3.0", I don't found what to do exactly to succed in this solution.
Must I do something before using "Xinstall.sh" script?
Thank's in advance for your help and instructions doing this step.
To finish, is there something in this direction (good Pseudocolor mode handling), using an option, or with a specific question inside the "Xinstall.sh" script, or something else, expected in the further release of XFree86 (now I suppose the V4.4.0 in December 2003), without desable the render module?
Once more thank's for your informations and precious details to make progress in my needs,
-- Bests Regards, ------------------------- Patrice Martin ------------------------------