On Wed, 24 Jul 2002, Davis, Robert E wrote:
> Hello Xperts,
>
> I have an unique configuration that I need your help and suggestions on.
>
> Currently I have the following configuration requirements:
> 1) Supermicro Motherboard w/ Dual 2.4 GHz Xeon CPU running Mandrake
> 8.2 SMP
> 2) Main graphics card
> AGP
> NVidia Gloria 4 (Dual DVI Head - only plan to use one)
> Viewsonic ViewPanel VP201m Flat Panel Display
> Standard PS/2 Keyboard and Wheel Mouse
> Running KDE or Gnome or similiar
> Login Screen required
> 3) Secondary graphics card
> PCI
> Dual flat panel displays (Touch Monitors)
> Matrox G450 (Dual Head - one to each Touch Monitor)
> 2 Touch LCD Monitor (Serial EloTouch X-Input)
> No Mouse or Keyboard
> Running a simple window manager (ie twm)
> No Login Screen (initialize window managers on main screen
> login)
>
> The main display will show a tactical situation display. The secondary touch
> monitor displays are used to present the operator with button panels and
> interactive graphics. I want to run two X-servers, one for each graphics
> cards. The keyboard and mouse need to be used by the main display. The
> secondary displays do not need a keyboard or mouse, but we would like to
> integrate the touch stream (serial, or USB) into the X-Server as left-button
> press and unpress events.
>
> Initially I have tried using an additional mouse and an CRT until the above
> Touch LCD Monitors are delivered. I have been trying Miguel Freitas's
> solutions decribed at (http://cambuca.ldhs.cetuc.puc-rio.br/multiuser/) and
> (http://cambuca.ldhs.cetuc.puc-rio.br/multiuser/g450.html) but without
> success. Using the same VT locks up the system. Instead of reconfiguring
> the Kernel to disable USB_KEYBOARDS, I have been using a Dummy (Void)
> Keyboard. These configuration work separately using two different VT (vt07
> & vt08).
>
> Using Ximerama, the graphics cards seemed to have worked when I made the
> G450 the primary card in the BIOS. But this doesn't meet the above
> requirements since the mouse is used across all displays.
>
Do you really need to run two X-servers? With multihead it should
be possible to keep the mouse on one screen by placing the two
heads apart (no RightOf, etc...).
Mark.
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