Re: Radeon 9000 - 24-bit operation - noise on screen

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On 19 Apr 2003, Mark Knecht wrote:

>> Why it would work in one OS, and not another, could be due to 
>> different refresh rates being used, different modelines being 
>> programmed, or the PLL's being programmed differently, or some 
>> other timing sensitive item.  It's hard to say without being able 
>> to physically reproduce it and do a full troubleshooting and 
>> debugging session on it.
>
>Ok, that's an interesting idea. How can I change the refresh rates that
>the card is trying to run at? Actually, in both 16-bit and 24-bit modes
>I'm currently at 91kHz/85Hz. Presumably something in xconfig adjusts
>this? Maybe I could slow it down and provide someone with more info?

The xrandr utility:  man xrandr

>Can I change between 16 and 24 bit without exiting out of X? Is ther a
>key pad way to do that?

This is not possible.

>> You might want to discuss it on the XFree86 mailing lists also.
>
>I will. Signed up a little while ago, but trying to do my homework first. 
>Developers don't much like users if we don't at least try to fix it 
>ourselves.

;o)

-- 
Mike A. Harris     ftp://people.redhat.com/mharris
OS Systems Engineer - XFree86 maintainer - Red Hat



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