[ltp] T40p FC6 twin-head woes

[Konstantin Filtschew]

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Hi,

this is a config for a T40 with a radeon 7500:
http://konstantin.filtschew.de/download/xorg.conf.mergefb

try this!

the modes can be seen with:=20
xrandr

and can be switched with:
xrandr -s 1
xrandr -s 2
...


Greetz

Konstantin Filtschew


On Thu, 2006-12-21 at 10:31 +0000, Phil wrote:
> Hi all
> I'm new to this list, hope someone can point me in the right direction...
>=20
> I've recently installed Fedora Core 6 on my T40p having finally got so=20
> fed up with Windows slowdowns etc. Mostly the install was a breeze, but=20
> I've got a major problem that I can't fix despite much web searching and=20
> trial and error,  inability to configure for dual screens. If I can't=20
> get this to work I'll have to go back to Windows because I need to do=20
> presentations etc.
>=20
> I'm running kernel  2.6.18-1.2868.fc6 with a pretty stock installation.=20
> lspci gives me:
>   VGA compatible controller: ATI Technologies Inc Radeon R250 [Mobility=20
> FireGL 9000] (rev 02)
>=20
> I'm using the standard radeon driver, and my xorg.conf is listed at the=20
> foot of this mail.
> When I try configuring dual-head through the standard Display admintool=20
> the external monitor shows a connection but the screen is completely=20
> blank. The workspace switcher shows a wide screen and I can move windows=20
> off the LCD into the external monitor area but they're invisible.
>=20
> After doing some hunting I decided to try the fglrx driver from livna -=20
> but using this in twin-head mode hangs my system completely.
> I've tried all sorts of things suggested by others but cannot get both=20
> LCD and external running together. Either the system hangs when X comes=20
> up, or LCD or external is blank. If I boot connected to external I can=20
> run on that but the LCD is blank. I very briefly had this working after=20
> a fashion on FC5 but I've no idea how! I really really don't want to go=20
> back to Windoze but will have to if I can't get dual head working.
>=20
> Hope someone can advise!
> Thanks
> Phil
>=20
> # Xorg configuration created by system-config-display
>=20
> Section "ServerLayout"
>         Identifier     "single head configuration"
>         Screen      0  "Screen0" 0 0
>         InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
>=20
> Section "ServerFlags"
>         Option      "AllowMouseOpenFail" "yes"
> EndSection
>=20
> Section "InputDevice"
>         Identifier  "Keyboard0"
>         Driver      "kbd"
>         Option      "XkbModel" "pc105"
>         Option      "XkbLayout" "gb"
> EndSection
>=20
> Section "Monitor"
>         Identifier   "Monitor0"
>         ModelName    "LCD Panel 1400x1050"
>  ### Comment all HorizSync and VertSync values to use DDC:
>         HorizSync    31.5 - 90.0
>         VertRefresh  59.0 - 75.0
>         Option      "dpms"
> EndSection
>=20
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "radeon"
> EndSection
>=20
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "Monitor0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1400x1050" "1280x1024" "1280x960" "1280x800"=20
> "1152x864" "1024x768" "800x600" "640x480"
>         EndSubSection
> EndSection
>=20
>=20
--=20
Building an operation system without source code,
is like buying a  self assemble space shuttle without
instructions.

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