[CentOS] Switch to Nvidia from ATI

Bisbal, Prentice PBisbal at LexPharma.com
Wed Oct 18 20:56:11 UTC 2006


You can use xvidtune or gtf to generate modelines. Both should be
included with your distribution. It's been a while since I used them, so
check the man pages for how to use them. 

nvidia-installer should be installed when you run
NVIDIA-Linux-x86-1.0-XXXX-pkg1.run. Do 'locate nvidia-installer' or
'which nvidia-installer'. It should be installed in /usr/bin


-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
Behalf Of Alfred von Campe
Sent: Wednesday, October 18, 2006 4:41 PM
To: CentOS mailing list
Subject: Re: [CentOS] Switch to Nvidia from ATI

On Oct 18, 2006, at 14:42, Jay Leafey wrote:

> Since you've already gone to the nVidia card it's a little late, I 
> know, but one of my Dell workstations has a similar display chip 
> (Intel 915G) and I was able to drive my Dell 2100fp at 1600x1200 at 60Hz 
> by making a couple of changes in the xorg.conf file.
> Specifically, in the "Monitor" section I added a modeline for the that

> resolution with some different timings:
>     ModeLine     "1600x1200" 160.0 1600 1664 1856 2160 1200 1201  
> 1204 1250
> Then in the "Screen" section I added 1600x1200 to the "Modes" line:
>     Modes    "1600x1200" "1280x1024" "1280x960" "1152x864"  
> "1024x768" "800x600" "640x480"

That's good to know for the future.  But how did you come up with those
numbers for the ModeLine entry?  I played around with the HorizSync and
VertRefresh entries to no avail.

> It's not that hard, thankfully.  You can specify the kernel version to

> the installer script, as well as just installing a new kernel module 
> rather than a full reinstall:
>     /usr/local/bin/nvidia-installer --kernel-module-only --kernel- 
> name=(kernel version)
> For example, when the new kernel (kernel-2.6.9-42.0.3.plus.c4) came 
> out, I just ran this command before rebooting to the new kernel:
>     /usr/local/bin/nvidia-installer --kernel-module-only --kernel-
> name=2.6.9-42.0.3.plus.c4

I have not installed the nvidia-installer, but rather I run the
NVIDIA-Linux-x86-1.0-XXXX-pkg1.run script with the -s option (silent)
after rebuilding it with the --add-this-kernel option.

> It does require that the kernel-devel{,-smp} package be installed for 
> the kernel for which you want to rebuild the driver, but that's not 
> really a problem for me.  I've been trying to figure out how to make 
> this happen at boot-time before starting X, but haven't pursued it too

> hard.

I got this to work, but it was a bit of a hack.  I'll contact you off
list with the details.


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