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#1 2005-09-28 07:29:06

@leX
Member
From: Israel
Registered: 2003-11-06
Posts: 76

LCD monitor recognized by X as CRT

I'm buy new LCD monitor and connect it to D-SUB on my GeForce4 MX 440.
But X and Nvidia drivers recognize the monitor as CRT.
I don't have DVI input on my video card. And only one monitor connected to computer.
I'm try to define in xorg.conf

Section "Device"
    Identifier  "Card0"
    Driver      "nvidia"
    VendorName  "nVidia Corporation"
    BoardName   "NV18 [GeForce4 MX 440 AGP 8x]"
    BusID       "PCI:1:0:0"
    Option "ConnectedMonitor" "DFP"
EndSection

But after that I see in the /var/log/Xorg.0.log

(II) NVIDIA(0): Using ConnectedMonitor string "DFP-0"
(WW) NVIDIA(0): Inappropriate ConnectedMonitor string.
(II) NVIDIA(0): Connected display device(s): CRT-0

(--) NVIDIA(0): CRT-0: maximum pixel clock: 350 MHz

How can I force LCD monitor detection?

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#2 2005-09-28 12:38:35

Mythoz
Member
Registered: 2004-04-25
Posts: 58

Re: LCD monitor recognized by X as CRT

/usr/share/doc/NVIDIA_GLX-1.0/README.txt:

  Option "ConnectedMonitor" "string"
      [...]
      NOTE: anything attached to a 15 pin VGA connector is regarded by the
      driver as a CRT. "DFP" should only be used to refer to flatpanels
      connected via a DVI port.

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#3 2005-09-28 13:41:20

@leX
Member
From: Israel
Registered: 2003-11-06
Posts: 76

Re: LCD monitor recognized by X as CRT

Mythoz wrote:

/usr/share/doc/NVIDIA_GLX-1.0/README.txt:

  Option "ConnectedMonitor" "string"
      [...]
      NOTE: anything attached to a 15 pin VGA connector is regarded by the
      driver as a CRT. "DFP" should only be used to refer to flatpanels
      connected via a DVI port.

Thenk you.
I have no way to right recognize LCD monitor connected via D-SUB.

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#4 2005-09-28 23:34:00

glib
Member
Registered: 2005-09-27
Posts: 46

Re: LCD monitor recognized by X as CRT

In any case, it shouldn't matter much. As that readme says, the only real use is if you have a KVM switch:

This may be useful, for example, if you
    use a KVM (keyboard, video, mouse) switch and you are switched away
    when X is started. In such a situation, the NVIDIA kernel module
    cannot detect what display devices are connected, and the NVIDIA X
    driver assumes you have a single CRT.

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