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Re: Can't get 1153x864 resolution with 865 video and i810 driver

On Sat, Feb 04, 2006 at 09:40:02AM -0500, J. Van Lierde wrote:
> Hi,


> I've been banging my head against this with no luck.
> I have an Asus P4p800-VM with integrated Intel 865 Graphics running 
> testing.
> My problem is that I cannot get xorg to give me 1152x864 resolution. 
> Xorg.0.log says there is "no mode of this name". I know the hardware can 
> do this because Windows doesn't have a problem with this.
> I can get 1024x768 and 1280x1024.
> After googling, I have tried:
> - setting video ram to 16MB in the BIOS and in xorg.conf Device section. 
> Xorg.0.log confirms that the driver sees 16MB.
> - setting the correct HorizSync and VertRefresh values in xorg.conf 
> Monitor section. Xorg.0.log reports those values
> - inserting modelines in the Monitor section (the current ones are from 
> what knoppix got from it's probe (they seemed reasonable). knoppix won't 
> go above 1024x768). They don't seem to have any affect.
> Does anybody know what "no mode of this name" means? Does it mean that 
> i810 can't do 1152x864? Does it mean I haven't told it how to do that mode?

I think it means, that the video bios does not know that mode. Have you
checked if there is a newer bios for your mobo?

I've heard that there are resolution problems with Intel chipsets in X.
Have you tried the package 915resolution?

$ aptitude show 915resolution
Package: 915resolution
Description: resolution modify tool for Intel graphic chipset
 915resolution is a tool to modify the video BIOS of the 800 and 900 series
 Intel graphics chipsets. This includes the 845G, 855G, and 865G chipsets, as
 well as 915G, 915GM, and 945G chipsets. This modification is necessary to allow
 the display of certain graphics resolutions for an Xorg or XFree86 graphics
 915resolution's modifications of the BIOS are transient. There is no risk of
 permanent modification of the BIOS. This also means that 915resolution must be
 run every time the computer boots inorder for it's changes to take effect. If
 you want to automatically set the resolution on each boot and before X is
 launched, see /usr/share/doc/915resolution/README.Debian for information about
 configuring the provided initscript. 
 Web site: http://www.geocities.com/stomljen/

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