Pixels get messed up in X

[maillist@bestworldweb.homelinux.com]

Hi,

I installed Debian for the 1st time last night but I am having trouble
with X. Where I click buttons or drag windows the pixels get messed
up.This is only around the area where I have clicked and moved the
mouse.

I am using Xfree 4 with a 15 inch monitor and a alliance promotion AT25
graphics card, I am using the amp driver.

Can anyone think of anything I can do?

Thanks,

PW


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[Jochen Rosenbauer]

Am Sonntag, 13. Juli 2003 00:58 schrieb [email]maillist@bestworldweb.homelinux.com[/email]:

> Hi,
>
> I installed Debian for the 1st time last night but I am having trouble
> with X. Where I click buttons or drag windows the pixels get messed
> up.This is only around the area where I have clicked and moved the
> mouse.
>

Assuming that you didn't configure X way out of the AT25's specs in the first
place, there are two probable causes for this:
1: your bios settings are 'hotrodded all out' , e.g. PCI and RAM settings
'optimized'
2: your video-card's RAM and/or RAMDAC doesn't live up to what you would
expect (they never do on these cards)
I had exactly these problems on a Diamond video something card w/AT25 chip a
few years ago.

These are 'generic' problems that will exist independent of OS or driver, it's
in the hardware.

> I am using Xfree 4 with a 15 inch monitor and a alliance promotion AT25
> graphics card, I am using the amp driver.
>
> Can anyone think of anything I can do?
>

- Try first to use standard bios settings for pci an RAM, if this doesn't help
back down your settings for resolution and/or repeat frequency in small
decrements and stop at the point where messy pixels no longer appear.
AFAIR, I could use the card for 1024x768x8Bit color @ 70 or 72 HZ before
things went messy
- alternatively, get a Matrox pci card at ebay and use the AT25 as an
ice-scraper for your cars windshield next winter ;-)

> Thanks,
>
> PW

--
regards,
jochen


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