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I have a Radeon HD 2400LE video card. and I'm attempting to set up dual-head with a 17" (1280x1024) scree and a 24" (1920x1200) screen. I originally tried fglrx, and it worked mostly, but caused partial lockups every few hours (the mouse cursor would move, but didn't seem to pass any events to anything - even hover wouldn't work). I'd like to use the radeonhd driver in any case, and I'm currently trying it from git/AUR, version 20090116-1. I'll post my xorg.conf here shortly, once I've cleaned it up a bit. Anyhow, I'm running KDE 4.2, and the display settings list VGA (my second monitor), DVI-digital (my first monitor), DVI-analog (the same port), and TV (S-Video - not used). However, clicking "Identify Outputs" displays the VGA output properly, but the DVI-digital output indicator is shown halfway off the top-left corner of the VGA-connected screen. Enabling the DVI monitor's output does something, because the monitor recognizes that it's connected, but it won't display anything, and changing the DVI settings causes various weird issues with the VGA-connected screen. I'm not using Xinerama, as I was planning on doing the whole thing with KDE and the help of XRandR. I could really use some help with this, as I've been fighting with dual-head all week.
Thanks
-Jeffery
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Here is my xorg.conf, it sounds like you are trying to acheive a similar setup to what I have, maybe you'll find this helpful
let me know if you have anyquestions on it.
Section "Module"
Load "dbe"
SubSection "extmod"
Option "omit xfree86-DGA"
EndSubSection
Load "glx"
Load "freetype"
#Load "type1"
Load "dri"
Load "drm"
EndSection
Section "Files"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Server Flags"
Option "AutoAddDevices" "false"
EndSection
Section "Input Device"
Identifier "Keyboard1"
Driver "kbd"
Option "AutoRepeat" "500 30"
Option "XkbRules" "xorg"
Option "XkbModel" "microsoft"
Option "XkbLayout" "us"
EndSection
Section "Input Device"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "Auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
Option "Emulate3Buttons"
EndSection
Section "Monitor"
Identifier "monitor0"
Option "DPMS" "true"
EndSection
Section "Monitor"
Identifier "monitor1"
Option "DPMS" "true"
Option "RightOf" "monitor0"
EndSection
Section "Device"
Identifier "device0"
Driver "radeonhd"
BusID "PCI:1:5:0"
Option "monitor-DVI-D_1" "monitor0"
Option "monitor-VGA_1" "monitor1"
Option "RROutputOrder" "DVI-D_1"
EndSection
Section "Screen"
Identifier "Screen0"
Device "device0"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Multihead Layout"
Screen "Screen0" 0 0
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"
EndSection
Section "DRI"
Group "video"
Mode 0666
EndSection
Last edited by Cyrusm (2009-01-25 04:34:14)
Hofstadter's Law:
It always takes longer than you expect, even when you take into account Hofstadter's Law.
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Thanks, Cyrusm! I ended up getting it working after all, essentially the same as you did, but with the xf86-video-ati driver. Do you know if I would be better off with RadeonHD? I couldn't find much useful information on their support status aside from a old few forum posts, and IRC archives I didn't feel like reading through
-Jeffery
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