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Setting up a DUal Monitor Unix System!

Posted on 2004-09-02
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Last Modified: 2013-12-16
Hi I have a unix system which comprises a Sun Blade 2000 running Sun R5.8.
The Machine has two graphics Cards installed 1) A standard card in the Graphics Card slot to which I have my monitor connected. and 2) a Digital Output Card (At least I think it is from the Rectangular White Connector at the back) in the PCI slot number 4.

I would like to use this system in a Dual Monitor Mode so that I can have a single desktop and share an application between the two monitors.

Is it possible to set this up with the hardware I currently have or do I need to upgrade to a dual output card of some description.

Any info greatly appreciated,
- Troy
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Question by:Troyh
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yuzh earned 125 total points
ID: 11993199
Please have a look at the following Sun Doc:

Document ID: 2859
Title: Technote 2859
Synopsis: How to configure CDE in dual monitor setup on Sparc systems
Update Date: Thu Sep 30 00:00:00 MDT 1999

--------------------------------------------------------------------------------

Document ID: 2859Date Approved: 09/30/1999Synopsis: How to configure CDE in dual monitor setup on Sparc systems
OS Version: 2.5.1 and above. Keywords: CDE,Dual head, Two monitors

Description:How to configure cde in dual monitor setup on Sparc systems. ( Dual monitor setup means system having two SUN monitors on one Sparc system)
Solution: The general steps to configure to have CDE up and running on dual head
setup is as follows.

1) Login as root on default console.

# cp /usr/dt/config/Xservers /etc/dt/config/Xservers
# cp /usr/dt/config/Xconfig  /etc/dt/config/Xconfig

Check first that the files are not already present and been customised.

2) We need to modify /etc/dt/config/Xservers file.
   Append "-dev /dev/fb0 -dev /dev/fb1" at the end of this line
   ":0 Local local@console /usr/openwin/bin/Xsun :0".
   
The appended line should look like:
 ":0 Local local@console /usr/openwin/bin/Xsun :0 -dev /dev/fb0 -dev
  /dev/fb1"

3) Modify /etc/dt/config/Xconfig file by changing:  
   Dtlogin.servers:                /usr/dt/config/Xservers to
   Dtlogin.servers:                /etc/dt/config/Xservers

Please note file Xconfig under /etc/dt/config will have to be created.


4) Put following two lines in .Xdefaults:
   dtsession*wmStartupCommand:     /usr/dt/bin/dtwm -multiscreen
   Dtwm*multiScreen:               True

5) Reboot the system at this stage.

The above steps allow you to have one dtwm (window manager) to control
your two-head system.

If you want to configure it to use olwm and dtwm then follow step 6 & 7.

6) Add/Replace the following line to the $HOME/.Xdefaults or
   $HOME/.dt/sessions/home/dt.resources file

   Dtwm*multiScreen:       False


7) Add the following line to the $HOME/.dt/sessions/sessionetc file:
   /usr/openwin/bin/olwm -single -display :0.1 &  where :0.1 is the
number of the screen the user wants Openwindows to appear.

   This will make CDE run on screen 0, and olwm on screen 1.

   Please note we have to create "sessionetc" file. We have to set
   rwxr-xr-x  permissions for the file.

#End of DOC

and the answer for the following question:
http:Q_10439696.html
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