[ltp] T30 with an external Display

Thomas J. Valerio linux-thinkpad@linux-thinkpad.org
Wed, 13 Nov 2002 16:05:02 -0500


Use xvidtune -next to cycle through your different resolutions

       Thomas Valerio


Gregor Rojec-Goldmann wrote:

> Hello,
>
> I have a T30 with Radeon Mobility M7 LW (Radeon 7500) and 1400x1050 with
> XFree 4.2.1 and Debian testing.
>
> I would like to connect an external display with different resolution
> than the builtin LCD to the running X server.
>
> I changed the resolution in the X configuration file and it works. I
> start the X server with different config files for different settings.
> But there are two problems:
>
> 1. There is no mirroring. I can switch to the external or internal
>    display, but can't have the picture on both at the same time, which is
>    annoying at presentations.
>
> 2. When I shut down the X server after connecting and disconnecting an
> external display the video get corrupted and I have to reboot.
>
> It would also be great if I could use Ctrl+Alt+NumPad+- to switch the
> resolution of the running X server, but I couldn't get it to work
> either. The manpage says that it should be used with a boolean (Option
> "DontZoom"  "boolean"), but the xserver will not accept a boolean value
> on this option.
>
> Any experience with this?
>
> Best regards,
> Gregor
>
> p.s.
>
> My XF86Config-4 with 1024x756 without 1400x1050:
> ----------------------------------------------------------------------------------------
> Section "Files"
>         FontPath        "unix/:7100"                    # local font server
>         # if the local font server has problems, we can fall back on these
>         FontPath        "/usr/lib/X11/fonts/misc"
>         FontPath        "/usr/lib/X11/fonts/cyrillic"
>         FontPath        "/usr/lib/X11/fonts/100dpi/:unscaled"
>         FontPath        "/usr/lib/X11/fonts/75dpi/:unscaled"
>         FontPath        "/usr/lib/X11/fonts/Type1"
>         FontPath        "/usr/lib/X11/fonts/Speedo"
>         FontPath        "/usr/lib/X11/fonts/100dpi"
>         FontPath        "/usr/lib/X11/fonts/75dpi"
> EndSection
>
> Section "Module"
>         Load    "GLcore"
>         Load    "bitmap"
>         Load    "dbe"
>         Load    "ddc"
>         Load    "dri"
>         Load    "extmod"
>         Load    "freetype"
>         Load    "glx"
>         Load    "int10"
>         Load    "pex5"
>         Load    "record"
>         Load    "speedo"
>         Load    "type1"
>         Load    "vbe"
>         Load    "xie"
> EndSection
>
> Section "InputDevice"
>         Identifier      "Generic Keyboard"
>         Driver          "keyboard"
>         Option          "CoreKeyboard"
>         Option          "XkbRules"      "xfree86"
>         Option          "XkbModel"      "pc101"
>         Option          "XkbLayout"     "de"
> EndSection
>
> Section "InputDevice"
>         Identifier      "Configured Mouse"
>         Driver          "mouse"
>         Option          "CorePointer"
>         Option          "Device"                "/dev/psaux"
>         Option          "Protocol"              "PS/2"
>         Option          "ZAxisMapping"          "4 5"
> EndSection
>
> Section "InputDevice"
>         Identifier      "Generic Mouse"
>         Driver          "mouse"
>         Option          "SendCoreEvents"        "true"
>         Option          "Device"                "/dev/input/mice"
>         Option          "Protocol"              "ImPS/2"
>         Option          "ZAxisMapping"          "4 5"
> EndSection
>
> Section "Device"
>         Identifier      "Generic Video Card"
>         Driver          "radeon"
>         VideoRam        16384
> EndSection
>
> Section "Monitor"
>         Identifier      "Generic Monitor"
>         Option          "DPMS"
> EndSection
>
> Section "Screen"
>         Identifier      "Default Screen"
>         Device          "Generic Video Card"
>         Monitor         "Generic Monitor"
>         DefaultDepth    24
>
>          SubSection "Display"
>                 Depth           16
>                 Modes           "1024x768"
>                 EndSubSection
>                 SubSection "Display"
>                 Depth           24
>                 Modes           "1024x768"
>         EndSubSection
> #
> SubSection "Display"
> #
>         Depth           32
> #
>         Modes           "1400x1050"
> #
> EndSubSection
> EndSection
>
> Section "ServerLayout"
>         Identifier      "Default Layout"
>         Screen          "Default Screen"
>         InputDevice     "Generic Keyboard"
>         InputDevice     "Configured Mouse"
>         InputDevice     "Generic Mouse"
> EndSection
>
> Section "DRI"
>         Mode    0666
> EndSection
>
> --
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