I845 video chipset

Desquerre Yohann yohann.desquerre at wanadoo.fr
Fri Oct 24 17:04:39 UTC 2003


Le ven 24/10/2003 à 16:35, Mike A. Harris a écrit :
> On Fri, 24 Oct 2003, Desquerre Yohann wrote:
> 
> >> >Speaking about the video driver, is there any one which manage to make
> >> >work an i845GL chipset up to 1020*868... I would very happy to kown that
> >> 
> >> 1020x868?  What an oddball resolution.  ;o)
> >
> >Oupssss....Sorry i could say 1024*768
> >
> >> 
> >> Seriously though, the horiz width and line pitch has to be a
> >> multiple of 8 pixels.
> >> 
> >> [mharris at devel X86]$ gtf 1020 868 75
> >> 
> >>   # 1024x868 @ 75.00 Hz (GTF) hsync: 67.95 kHz; pclk: 93.50 MHz
> >>   Modeline "1024x868_75.00"  93.50  1024 1088 1200 1376  868 869 872 906  -HSync +Vsync
> >> 
> >> There's 1024x868 at 75Hz, about as close as you can get to 1020 
> >> horiz.
> >
> >My problem to use 1152*864, my /etc/X11/XFree86config file seems to be
> >correct but Xfree always chose 1024*768...
> >
> >Snif... I 'm so sad..
> >
> >however thanks for your additional information.
> >
> >A part of me XF86config file :
> >
> >"Section "Device"
> >        Identifier  "Videocard0"
> >        Driver      "i810"
> >        VendorName  "Videocard vendor"
> >        BoardName   "Intel 845"
> >EndSection
> >                                                                                
> >Section "Screen"
> >        Identifier "Screen0"
> >        Device     "Videocard0"
> >        Monitor    "Monitor0"
> >        DefaultDepth     24
> >        SubSection "Display"
> >                Depth     24
> >                Modes    "1152x864" "1024x768" "800x600" "640x480"
> >        EndSubSection
> >EndSection
> 
> Check your X server log file, and it will tell you why it 

I don't find an error messages neither a warming !!!

> rejected 1152x864.  A popular reason for Intel video hardware, is 
> because your BIOS CMOS settings limit the video memory to a small 
> amount like 1Mb or 2Mb.  Increase the video memory amount in the 

If you are talking to me about the "on chip frame buffer size", it's
limited to 8MB ???


> BIOS to 16Mb or more.  Alternatively try using VideoRAM 16384 in 
> the config file Device section.

I tried that no success (moreover my chipset have got 64Mo(i tried it
with Win... Xp : Shame on me)).


regards

> 





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