How to know correct video drivers ?

[Nils Kassube]

Chaman Singh Verma wrote:
> I have Intel Core 2 Duo machine and installed Ubuntu ( 64 bit). At
> present, rendering on my machine is very slow and executing "glxinfo"
> reports that direct rendeing is absent.
>
> I was suspecting that may be some new drivers needs to be installed and
> I enter the software maze of "X.org", but I don't know what to select
> from there.

For direct rendering you need the proprietary Nvidia driver. See 
<https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia> for details.

> What is the expected ( or best ) FPS rating on Intel Core 2 machine 2GB
> RAM for the glxgear program ?

That depends on the speed of your CPU and on your particular graphics 
card. With my 1.86 GHz Core 2 Duo and GeForce 7100 GS card I have about 
1700 FPS with the initial window size and 32 Bit Kubuntu.


Nils