I believe most laptops don't actually have EDIDs (no monitor
plug and play info) so there's no info to get from DDC (and
probably isn't even a DDC).
You don't want to be using the VGA driver. You want to
have Driver "cirrus" in your Section "Device".
Mark.
On Wed, 22 Feb 2006, Chris & Melinda LaForce wrote:
> Hello,
> I have a RedHat 9.0 system with which I am having some display
> problems. When I boot it up and it tries to launch the gui I get the
> below error:
>
> * ddcprobe returned bogus values:
> ID: None
> Name: None
> HorizSync: None
> VertSync: None
>
> I also get this when trying to launch redhat-config-xfree86.
> My XFree86 version is 4.3.0. Here is part of my XF86Config as I don't
> not at this time have access to the internet on the probelmatic pc to
> get the whole file:
>
> Section "Monitor"
> Identifier "Monitor0"
> VendorName "Monitor Vendor"
> ModelName "Unprobed Monitor"
> HorizSync 31.5 - 37.9
> VertRefresh 50.0 - 70.0
> Option "dpms"
> EndSection
>
> Section "Device"
> Identifier "Videocard0"
> Driver "vga"
> VendorName "Videocard vendor"
> BoardName "Cirrus Logic GD754x (laptop)"
> EndSection
>
> The XFree86.0.log log looks like there is problems setting the
> resolution. It has a bunch of messages saying
> (II) VGA(0): Not using defualt mode "640x350" (insufficient memory for
> mode)
>
> "" "320x175" (vrefresh out of range)
> "" "360x200' (hsync out of range)
>
> I'm wondering if I need to reconfigure the Monitor section of my
> XF86Config file. Please let me know if you can offer any assistance
> with this problem or if more info is needed.
> Thanks,
>
> Chris.
>
>
>
>
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>
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