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Problem with XFree and Internal LCD screen


In my tribulations to get xfree86 to show some graphics, I got scared to
death thinking that I had zapped the LCD monitor.

You will find below my XF86Config-4 that I copied. The machine is an iBook
2001 (dual-usb)

Under xfree86 4.0.1 (woody), I reported earlier that I was getting a message
stating that the monitor couldn't be found. I started experimenting with the
XF86Config  script and simply removed the 'Option "UseFBDev" "true"' from
the Device section. Then I entered startx and I didn't get this message
anymore. X started! So this particular option was causing the error message
I got under 4.0.1 all along.

But even if X started, things didn't work really, my LCD started to flicker
and the screen lighted up with weird patterns like if sand was flooding the
display from the bottom. I couldn't take it, having read horror stories
about monitors getting zapped with wrong params. So I hit the 3 finger
salute and rebooted.

Just after the reboot, the screen was still flickering even when booting
MacOS 9! I went under the monitor cp and changed a couple of time the
resolution, things got okay again after a while. Wow! I came close to call
1-800-MY-APPLE ;-)

Right now, I don't know how I can reboot in terminal mode only because I
know that if I restart with Linux, X will kick on again and do the same. I
don't want to take any risk.

Could someone please let me know the safest way to restart debian and log in
terminal mode without any init scripts trying to start XFree86?

I really appreciate your help.



Section "Device"
    Identifier  "Card 1"
    Driver      "r128"
    VideoRam    8192
    BusID    "PCI:0:16:0"
    Option    "UseFBDev" "true"                # I removed that line

Section "Screen"
    Identifier  "Screen 1"
    Device      "Card 1"
    Monitor     "Monitor 1"
    DefaultDepth 24

    Subsection "Display"
        Depth       8
        Modes       "1024x768"
        ViewPort    0 0
    Subsection "Display"
        Depth    15
    Modes    "1024x768"
    ViewPort    0 0
    Subsection "Display"
        Depth       16
        Modes       "1024x768"
        ViewPort    0 0
    Subsection "Display"
        Depth       24
        Modes       "1024x768"
        ViewPort    0 0

Section "Monitor"
    Identifier  "Monitor 1"
    HorizSync   48.359
    VertRefresh 60

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