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jiz dlouho se snazim nastavit rozsirenou plochu (ne clone) na dva monitory. Pouzivam Ati 3650 s 512MB DDR3 v PciE. Zkousel jsem vychozi xorg.conf, vice navodu, vice verzi ovladace, nastaveni pres aticonfig i pres ati control center.

Zda se mi ze volby Option "DesktopSetup" "horizontal" ani Option "PairModes" "1280x1024+1680x1050 vubec nezabiraji. .

S ovladacem FGLRX dosahnu pouze clonovani. S radeon driverem dojde k zatuhnuti Xorg. V nekterych nastavenich nefungovalo ani clonovani (pokud byly oba monitory pripojeny pres DVI).

[ebuild   R   ] x11-drivers/ati-drivers-8.542  USE="acpi -debug" 0 kB

glxinfo | grep direct
direct rendering: Yes

$ uname -a
Linux  2.6.26-gentoo-r1 #4 SMP Thu Oct 9 20:32:01 CEST 2008 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ AuthenticAMD GNU/Linux

xorg.conf

Section "Device"
        Identifier  "ATI Graphics Adapter"
        Driver      "fglrx"
#       Option      "no_accel" "no"
#       Option      "no_dri" "no"
       VendorName      "All"
       BoardName       "All"
#       Option "TexturedVideo" "on"
#       Option "IgnoreEDID"      "on"
#       Option "VideoOverlay" "o"
#       Option "OpenGLOverlay" "off"
        Option "DesktopSetup" "horizontal"
#       Option "Mode2"      "800x600"
#       Option "Hsync2"     "54"
#       Option "Vrefresh2"  "60"
#       Option "EnablePrivateBackZ" "yes"
#       Option "PairModes"  "1280x1024+1680x1050
#       #       Option "MergedFB" "true"
        Option "MonitorLayout" "DFP1, DFP2"
        Option "EnableMonitor" "DFP1, DFP2"
        Option "ForceMonitors" "DFP1, DFP2"
#
#       Option "CRT2Hsync" "30-186"
#       Option "CRT2VRefresh" "60"
#       ption "OverlayOnCRTC2" "false"
        Option "Capabilities" "0x00000800"

#       Option          "XAANoOffscreenPixmaps" "true"
EndSection