Re: problem with dual monitors-twinview

From: ray (raydcarterr_at_msn.com)
Date: 01/12/04

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    Date: Sun, 11 Jan 2004 19:12:59 -0700

    On Sun, 11 Jan 2004 17:57:21 +0000, Ozgun wrote:

    > hey,
    >
    > I went over the other posts in related groups and none seemed to
    > address my problem. I went over some sample Xconfig files and tried
    > this and that, but couldn't get my dual monitors setup.
    >
    > I have two monitors, 19" LCD (EN9110) and 19" CRT (SyncMaster 955DF),
    > and my graphics card's MSI Geforce 4 TI 4800. When I startx, I get the
    > following error message, - and then X quits:
    >
    > nvidia(0): failed to read mapping of display devices to CRTCs
    > ...
    > EE(0): screens found, but none have a usable configuration
    >
    > I have tried a couple of combinations for my XF86Config, but I always
    > get the same error message.
    > my XF86Config-4 file looks like the following:
    >
    > Section "Monitor"
    > Identifier "MySamsung"
    > HorizSync 30 - 96
    > VertRefresh 50 - 160
    > Option "dpms"
    > EndSection
    >
    > Section "Device"
    > Identifier "NVIDIA GeForce 4 (generic)"
    > Driver "nvidia"
    > VendorName "Videocard vendor"
    > BoardName "NVIDIA GeForce 4 (generic)"
    > VideoRam 131072
    >
    > Option "NvAGP" "1"
    > Option "TwinView" "true"
    > Option "SecondMonitorHorizSync" "31.0-92.0"
    > Option "SecondMonitorVertRefresh" "55.0-85.0"
    > Option "ConnectedMonitor" "CRT,DFP"
    > # Option "MetaModes" "1152x864, 1152x864; 1152x864, 1152x864;"
    > Option "MetaModes" "1024x768, 1024x768; 1024x768, 1024x768; 800x600,
    > 800x600; 800x600, 800x600"
    > Option "TwinViewOrientation" "LeftOf"
    > Option "Xinerama" "on"
    > EndSection
    >
    > Section "Device"
    > Identifier "Linux Frame Buffer"
    > Driver "fbdev"
    > BoardName "Unknown"
    > EndSection
    >
    > Section "Screen"
    > Identifier "Screen0"
    > Device "NVIDIA GeForce 4 (generic)"
    > Monitor "MySamsung"
    > DefaultDepth 16
    >
    > Subsection "Display"
    > Depth 8
    > Modes "800x600"
    > EndSubSection
    >
    > Subsection "Display"
    > Depth 8
    > Modes "1024x768"
    > ViewPort 0 0
    > EndSubSection
    > Subsection "Display"
    > Depth 16
    > Modes "1024x768"
    > ViewPort 0 0
    > EndSubSection
    > Subsection "Display"
    > Depth 24
    > Modes "1024x768"
    > ViewPort 0 0
    > EndSubSection
    > EndSection
    >
    > Section "DRI"
    > Mode 0666
    > EndSection
    >
    >
    > What may be the problem? Any kind of help would deeply be appreciated.
    > Thanks.
    >
    > Ozgun.

    Best bet is to start with the xinerama howto.

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