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Thread: ati X1550 dual head and openSUSE 11

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  1. #1
    mschlech NNTP User

    Default ati X1550 dual head and openSUSE 11

    Greetings,

    I have a DELL Optiplex 755 which has some sort of an ATI Radeon adapter (suse reports it as an X1550). It displays the same screen on both monitors whether I pick clone or Xinerama mode.
    I did add the ATI Community Repository and ran the "sax2 -r" command as suggested in another thread. My adapter then showed up as an ATI Radeon X1550 Series (RV505 7143) and things were looking positive but after trying to activate dual head again my display now just goes blank after logging in.
    So 1st of all how do I get my display back and secondly any suggestions as to how I get this fixed? I'm not as worried about getting the 3D working just dual-head display.

  2. #2
    mschlech NNTP User

    Default Re: ati X1550 dual head and openSUSE 11

    Let me pose a more general question.
    Looks like ati graphic cards are not the best adapters to be using but if I'm stuck with that as my work pc is there good support for dual-head and SUSE? Should I be looking at openSUSE 10.3 or SLED for now or will I find a config that works with my ATI adapter?

  3. #3
    mschlech NNTP User

    Default Re: ati X1550 dual head and openSUSE 11

    It would seem I have made some progress.
    Using xrandr I can get both screens working in a dual-head config but I have to take my resolution way down to like 800x600.
    Here's what xrandr reports and the cmd I use:
    linux-2177:~ # xrandr -q
    Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 1600 x 1600
    DVI-I_1/analog disconnected
    DVI-I_1/digital connected 1600x1200+0+0 367mm x 275mm
    1600x1200 60.0*+ 60.0 59.9
    1280x1024 59.9
    1024x768 60.0
    800x600 60.3
    640x480 60.0
    TV_SVIDEO disconnected
    DVI-D_2 connected 1600x1200+0+0 367mm x 275mm
    1600x1200 60.0*+ 59.9
    1280x1024 75.0 59.9
    1152x864 74.9
    1024x768 75.1 60.0
    800x600 75.0 60.3
    640x480 75.0 60.0
    720x400 70.1
    VGA_1 disconnected
    linux-2177:~ # xrandr --output DVI-D_2 --right-of DVI-I_1/digital
    xrandr: screen cannot be larger than 1600x1600 (desired size 3200x1200)

    I've done some more reading and it looks like I need to add a Virtual line on my /etc/X11/xorg.conf file but so far that hasn't seemed to be the fix for me.
    Section "Monitor"
    DisplaySize 367 275
    HorizSync 30-83
    Identifier "Monitor[0]"
    ModelName "DELL 2007FP"
    Option "DPMS"
    Option "PreferredMode" "1600x1200"
    VendorName "DEL"
    VertRefresh 50-60
    UseModes "Modes[0]"
    EndSection

    Section "Modes"
    Identifier "Modes[0]"
    Modeline "1600x1200" 162.00 1600 1664 1856 2160 1200 1201 1204 1250
    EndSection

    Section "Screen"
    DefaultDepth 24
    SubSection "Display"
    Depth 15
    Modes "1600x1200" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 16
    Modes "1600x1200" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 24
    Modes "1600x1200" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
    Depth 8
    Modes "1600x1200" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    Virtual 3200 1200
    EndSubSection
    Device "Device[0]"
    Identifier "Screen[0]"
    Monitor "Monitor[0]"
    EndSection

    Section "Device"
    BoardName "Radeon X1550"
    Driver "radeonhd"
    Identifier "Device[0]"
    Option "monitor-DVI-I_1/digital" "Monitor[0]"
    Screen 0
    VendorName "ATI"
    EndSection

  4. #4
    mschlech NNTP User

    Default Re: ati X1550 dual head and openSUSE 11

    In the hopes that someone reads this post other than me...
    I added "Virtual 3200 1200" in each Subsection "Display" after Depth and Before the Modes entries and it seems to be working.

  5. #5
    jcjaycox NNTP User

    Default Re: ati X1550 dual head and openSUSE 11

    Download the new driver from the AMD ATI website - worked great for me.

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