I have a Gigabyte nVidia GeForce 7300GS on an Intel DG965WHMKR mobo attached to an LG Flatron LG204WT widescreen monitor. I'm driving the monitor at 1680*1050, and the picture is compressed into the right-hand two-thirds of the screen.
The monitor is OK as it's attached via a KVM switch to another machine - also with an nVidia card - and it displays perfectly on that.
It looks like some sort of scan rate problem - anyone experienced this? If so, anyone know the solution?
TIA
On Mon, 2009-05-11 at 19:26 +0100, Dick Holland wrote:
I have a Gigabyte nVidia GeForce 7300GS on an Intel DG965WHMKR mobo attached to an LG Flatron LG204WT widescreen monitor. I'm driving the monitor at 1680*1050, and the picture is compressed into the right-hand two-thirds of the screen.
The monitor is OK as it's attached via a KVM switch to another machine - also with an nVidia card - and it displays perfectly on that.
It looks like some sort of scan rate problem - anyone experienced this? If so, anyone know the solution?
What steps did you take to set it up on the CentOS system?
Does your /etc/X11/xorg.conf look correct?
If you ran system-config-display it should have inserted information from the DDC from the monitor. Also, a kudzu whould have contributed some information.
On the other system, can you get the timings and compare to the CentOS system?
Did you google yet? Lots of times answers are found there.
TIA
HTH
On Mon, 2009-05-11 at 14:36 -0400, William L. Maltby wrote:
On Mon, 2009-05-11 at 19:26 +0100, Dick Holland wrote:
I have a Gigabyte nVidia GeForce 7300GS on an Intel DG965WHMKR mobo attached to an LG Flatron LG204WT widescreen monitor. I'm driving the monitor at 1680*1050, and the picture is compressed into the right-hand two-thirds of the screen.
The monitor is OK as it's attached via a KVM switch to another machine - also with an nVidia card - and it displays perfectly on that.
It looks like some sort of scan rate problem - anyone experienced this? If so, anyone know the solution?
What steps did you take to set it up on the CentOS system?
Does your /etc/X11/xorg.conf look correct?
If you ran system-config-display it should have inserted information from the DDC from the monitor. Also, a kudzu whould have contributed some information.
On the other system, can you get the timings and compare to the CentOS system?
Did you google yet? Lots of times answers are found there.
TIA
HTH
The xorg.conf looks OK to me (but I'm a bit of a noob really). I'll check it against the other system (which is Fedora 9).
I have Googled quite extensively and found no help - but thanks for your very prompt suggestions, Bill.
On Mon, 2009-05-11 at 21:25 +0100, Dick Holland wrote:
<snip>
The xorg.conf looks OK to me (but I'm a bit of a noob really). I'll check it against the other system (which is Fedora 9).
I have Googled quite extensively and found no help - but thanks for your very prompt suggestions, Bill.
The important thing to check is the xorg.conf. You will see some mode lines. If you manually edit the same mode lines from the Fedora system into the CentOS one, it should work identically, barring any bugs in the underlying drivers.
There is other information that might also be applicable, monitor, etc. That should also work if you apply those types of things.
There may be some differences in the drivers that may or may not be significant. I don't recall the CentOS drivers version (rpm -q <whatever> will tell you), but if it looks unsuitable, there's also some on rpmforge that support both some of the newer and also drivers for some of the older Nvidia cards. I've been using the rpm for the older one for some time.
Also, there's been some recent traffic on the mailing list about the kmod (IIRC) instatiated version of some of the nvidia drivers. Using a google advanced search for site centos with all the words nvidia, kmod and video should get you some more info if you end up needing it.
BTW, I'm a tyro at this stuff, so if I've mentioned any FUD, hopefully one of the more knowledgeable folks will jump in and correct me.
HTH
<snip>
BTW, I *hope* you meant CentOS 5.3?! Lots of changes, enhanced security, etc. are included. You ought to upgrade if you haven't and have no compelling reason to freeze on 5.2. IF you do, good luck with the additional workload and concerns that may be caused.
On Mon, 2009-05-11 at 21:25 +0100, Dick Holland wrote:
On Mon, 2009-05-11 at 14:36 -0400, William L. Maltby wrote:
On Mon, 2009-05-11 at 19:26 +0100, Dick Holland wrote:
I have a Gigabyte nVidia GeForce 7300GS on an Intel DG965WHMKR mobo attached to an LG Flatron LG204WT widescreen monitor. I'm driving the monitor at 1680*1050, and the picture is compressed into the right-hand two-thirds of the screen.
The monitor is OK as it's attached via a KVM switch to another machine - also with an nVidia card - and it displays perfectly on that.
--- KVM Switch? Drop down to "init 3". Bring up a shell window to do so. Reconfigure X. init 3 is runlevel 3.
I had a machine with a nvidia card in it and added in a KVM Switch and then X would not even boot. Removed the kvm and no problems. So I had to reconfigure X to work with it.
JohnStanley
JohnS wrote:
KVM Switch? Drop down to "init 3". Bring up a shell window to do so. Reconfigure X. init 3 is runlevel 3.
I had a machine with a nvidia card in it and added in a KVM Switch and then X would not even boot. Removed the kvm and no problems. So I had to reconfigure X to work with it.
Its been my general experience that many KVM switches don't handle the VESA VDID stuff at all well, and whenever you reboot the system, you have to be sure to have the monitor selected to that system until its fully up, or the VGA BIOS and the system driver doesn't get the VDID monitor detection at all correct.
-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
Behalf
Of William L. Maltby Sent: Monday, May 11, 2009 8:37 PM To: CentOS mailing list Subject: Re: [CentOS] CentOS 5.2 nVidia GeForce 7300GS resolution problem
The monitor is OK as it's attached via a KVM switch to another machine - also with an nVidia card - and it displays perfectly on that.
Sometime the OS can't "read" the monitor properly and doesn't set it up accordingly. Try connecting the monitor directly to your KVM-switch and let the OS rescan it. After, connect it back to the switch. Or just force the correct resolution.
HTH.
-
Dick Holland -
John R Pierce -
JohnS -
Sorin Srbu -
William L. Maltby