Forgive me if I'm asking a silly question, but isn't the video-output
on a laptop intended to simply give out the same display on the main
screen, and NOT provide dual-head capabilities? This is what my
experience has been, having owned several laptops over the years,
including the one I am using right now. If you really want dual-head
output, don't you need 2 video cards?

Assuming that I am correct, then the issue isn't really X, but the
hardware or firmware (maybe at the BIOS level?) in your laptop. I know
that on my current laptop, running FC2, all I need to do is plug in
any 1024x768 capable monitor, press a couple of function keys, and I
immediately have my desktop output to the CRT. I can press a couple
more function keys and get output to both the LCD and CRT, but the
display is exactly the same -- NOT dual-head.

If I am wrong, that's fine. But this has been, and continues to be, my
experience.

Dave Sherman

BTW, using gmail and loving it. Thanks to all for their generosity
with the invitations, I was one of the beneficiaries.

On Fri, 27 Aug 2004 20:50:32 -0500, Olwe Melwasul <olwe at cpinternet.com> wrote:
> I'm still trying to figure out why my laptop won't output X to my CRT.
> LCD screen is just fine, the CRT shows non-X boot/system stuff (so the
> connection is good). Went through some of the KDE GUI display settings,
> but one says I don't have Xfree 4.3 "the latest", so I can't resize.
> Unrelated? The KDE "Display" (system-config-display) UI lets you
> configure for dual head, but it just won't come through on the CRT.
> 
> My CRT is actually a NEC MultiSync 97F, but it wasn't offered. I also
> switched Xinerama to "off" and Clone to "on" and it still didn't work.
> 
> Here's my "xorg.conf" file:
> -----------
> # Xorg configuration created by system-config-display
> 
> Section "ServerLayout"
>     Identifier     "Multihead layout"
>     Screen      0  "Screen0" LeftOf "Screen1"
>     Screen      1  "Screen1" 0 0
>     InputDevice    "Mouse0" "CorePointer"
>     InputDevice    "Keyboard0" "CoreKeyboard"
>     Option        "Xinerama" "on"
>     Option        "Clone" "off"
> EndSection
> 
> Section "Files"
> 
> # RgbPath is the location of the RGB database.  Note, this is the name
> of the
> # file minus the extension (like ".txt" or ".db").  There is normally
> # no need to change the default.
> # Multiple FontPath entries are allowed (they are concatenated together)
> # By default, Red Hat 6.0 and later now use a font server independent of
> # the X server to render fonts.
>     RgbPath      "/usr/X11R6/lib/X11/rgb"
>     FontPath     "unix/:7100"
> EndSection
> 
> Section "Module"
>     Load  "dbe"
>     Load  "extmod"
>     Load  "fbdevhw"
>     Load  "glx"
>     Load  "record"
>     Load  "freetype"
>     Load  "type1"
>     Load  "dri"
> EndSection
> 
> Section "ServerFlags"
>     Option        "AllowMouseOpenFail" "yes"
> EndSection
> 
> Section "InputDevice"
> 
> # Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
> #    Option    "Xleds"        "1 2 3"
> # To disable the XKEYBOARD extension, uncomment XkbDisable.
> #    Option    "XkbDisable"
> # To customise the XKB settings to suit your keyboard, modify the
> # lines below (which are the defaults).  For example, for a non-U.S.
> # keyboard, you will probably want to use:
> #    Option    "XkbModel"    "pc102"
> # If you have a US Microsoft Natural keyboard, you can use:
> #    Option    "XkbModel"    "microsoft"
> #
> # Then to change the language, change the Layout setting.
> # For example, a german layout can be obtained with:
> #    Option    "XkbLayout"    "de"
> # or:
> #    Option    "XkbLayout"    "de"
> #    Option    "XkbVariant"    "nodeadkeys"
> #
> # If you'd like to switch the positions of your capslock and
> # control keys, use:
> #    Option    "XkbOptions"    "ctrl:swapcaps"
> # Or if you just want both to be control, use:
> #    Option    "XkbOptions"    "ctrl:nocaps"
> #
>     Identifier  "Keyboard0"
>     Driver      "keyboard"
>     Option        "XkbModel" "pc105"
>     Option        "XkbLayout" "us"
> EndSection
> 
> Section "InputDevice"
>     Identifier  "Mouse0"
>     Driver      "mouse"
>     Option        "Protocol" "IMPS/2"
>     Option        "Device" "/dev/input/mice"
>     Option        "ZAxisMapping" "4 5"
>     Option        "Emulate3Buttons" "no"
> EndSection
> 
> Section "Monitor"
>     Identifier   "Monitor0"
>     VendorName   "Monitor Vendor"
>     ModelName    "LCD Panel 1280x1024"
>     HorizSync    31.5 - 67.0
>     VertRefresh  50.0 - 75.0
>     Option        "dpms"
> EndSection
> 
> Section "Monitor"
>     Identifier   "Monitor1"
>     VendorName   "Monitor Vendor"
>     ModelName    "NEC MultiSync 95F"
>     HorizSync    31.0 - 96.0
>     VertRefresh  55.0 - 160.0
>     Option        "dpms"
> EndSection
> 
> Section "Device"
>     Identifier  "Videocard0"
>     Driver      "radeon"
>     VendorName  "Videocard vendor"
>     BoardName   "ATI Radeon Mobility U1"
>     BusID       "PCI:1:5:0"
> EndSection
> 
> Section "Device"
>     Identifier  "Videocard1"
>     Driver      "radeon"
>     VendorName  "Videocard Vendor"
>     BoardName   "ATI Radeon Mobility U1"
>     BusID       "PCI:1:5:0"
>     Screen      1
> EndSection
> 
> Section "Screen"
>     Identifier "Screen0"
>     Device     "Videocard0"
>     Monitor    "Monitor0"
>     DefaultDepth     24
>     SubSection "Display"
>         Viewport   0 0
>         Depth     24
>         Modes    "1280x960" "1152x864" "1024x768" "800x600" "640x480"
>     EndSubSection
> EndSection
> 
> Section "Screen"
>     Identifier "Screen1"
>     Device     "Videocard1"
>     Monitor    "Monitor1"
>     DefaultDepth     24
>     SubSection "Display"
>         Viewport   0 0
>         Depth     24
>         Modes    "1152x864" "1280x960" "1600x1200"
>     EndSubSection
> EndSection
> 
> Section "DRI"
>     Group        0
>     Mode         0666
> EndSection
> 
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-- 
Dave Sherman
MCSA, MCSE, CCNA
[Insert witty .sig here.]

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