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Re: ATI/AMD graphics cards

On 2011-03-20, Andrew Wood <a.j.w@me.com> wrote:
> Why does Debian (Squeeze) not work well with ATI /AMD Radeon HD cards?
> I had to edit the /etc/modprobe.d/radeon-kms.conf in order to prevent the fideo output being turned off during bootup but even then the graphics performance is unusable.
> Im not sure what driver is being used as I dont know how to check but CentOS on the same machine doesnt have any of these problems.  Whats the difference?

Probably the firmware.

> Ive got a RadeonHD 4650 AGP card

If you grep /var/log/syslog for 'firmware' you should see what firmware
is requested and what is missing, if any. The firmware-linux-nonfree
package (from the non-free repository) provides a lot of Radeon-related

> Regards
> Andrew
> Sent from  iPhone

Liam O'Toole
Cork, Ireland

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