Re: I845 video chipset

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


-- 
Mike A. Harris     ftp://people.redhat.com/mharris
OS Systems Engineer - XFree86 maintainer - Red Hat




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