I got it working pretty reliably with these settings (MBP C2D):
Section "Device"
Identifier "ATI X1600"
Driver "fglrx"
#Option "VideoOverlay" "off"
Option "UseInternalAGPGART" "yes"
Option "TexturedVideo" "on"
Option "DesktopSetup" "single"
#Option "DesktopSetup" "horizontal"
Option "Mode2" "1024x768"
Option "EnableMonitor" "crt2,lvds"
Option "PairModes"
"1440x900+1440x900,1440x900+1024x768,1024x768+1024x768"
#Option "OverlayOnCRTC2" "1"
#Option "OpenGLOverlay" "on"
#Option "Centermode" "on"
Option "XaaNoOffscreenPixmaps"
Option "AccelMethod" "XAA"
Option "AddARGBGLXVisuals" "True"
Option "DisableGLXRootClipping" "True"
# Option "AllowGLXWithComposite" "true"
BusID "PCI:1:0:0"
Note: to activate set "DesktopSetup" to "horizontal".
I use an external CRT running at 1024x768. With this setting
Xinerama support works quite well (No black borders or panning
of virtual screen size).
Mario
Philipp Neubeck wrote:
> On Sun, 11 Mar 2007 19:36:38 -0700
> k11stan <[EMAIL PROTECTED]> wrote:
>
>> well i got dual head to work on the macbook - however one question
>> remains - how do i control the resolution on the 2nd screen ? no
>> matter what options i try in the xorg.conf i get two black bars on the
>> top on bottom of the display (and the ati documentation SUCKS) - the
>> monitor claims it's running in full res but ... my xorg.conf is below
>> .. this is on x1600 , macbook pro , 2.6.20 , ati 8.34
>
> i tried several times (with different ati driver versions) to use a different
> resolution on the external monitor (1280x1024) than on the native one. it
> only worked with two x screens (and two framebuffers), the big-desktop
> setting didn't work with different resolutions. the ati driver sucks...
>
> btw. i've also got a macbook pro with x1600, 2.6.18 and ati 8.34.8 running.
>
> --
> Philipp
>
>
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