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Interesting discovery about ATI cards and colours


phunni
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A number of times I've seen people with ATI cards mention that they sometimes get wierd colouring after switching between virtual consoles - I have also had exactly this problem.

 

I discovered today, that starting Dosbox (so I can play Prince of Persia 4D ;) ) fixes the colours.

 

I have no idea why and I suspect that there is an easier way of doing it that simply starting dosbox - but I found it very interesting.

 

Does anyone have any thoughts on how this might be developed into a useable solution?

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It's probably just a normal kernel with the open source version of the drivers. I'm not sure if they give the same problem or not - does anyone else know?

 

NeoXP: it doesn't matter what version of X you've got - it should all be fine. These are kernel modules. The version of the modules would be almost completely up to date since it is 2.6.3

Edited by phunni
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Does anyone have any thoughts on how this might be developed into a useable solution?

I guess your DOS game use VESA VBE. It's a set of 16 bit functions located in the bios of the graphic card, accessible through int 10h with ax=4f..h, used to have informations about the card, initialize it, access the video memory and so on..

May be the ATI Linux driver set badly a register on the card that is cleared by a VESA function ?

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As phunni said, its just the kernel. Here's the ATI-GLX-UTILS for the XFREE86-4.3 server

 

Forgive me, I'm confused :cheeky:

 

Do you mean that it is a kernel that I can install and boot into? If so, is it a kernel that comes with support (like 3D) for an Ati-card?

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