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Old 12-20-2003, 10:29 AM   #1
dmadhava
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Registered: Nov 2001
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Question How To: 1 or 2 Video Cards, 2 Monitors, 2 Desktops?


Hello,

I am trying to figure out if it is possible to have 2 video cards (1 AGP and 1 PCI) on a conventional PC (I am using a Soyo K7V Dragon+ with an AMD 1.33 Athlon) with two independent monitors (possibly independent
USB keyboard+mouse) have 2 independent desktops and work on both desktops simultaneously?

I came across several posts and information regarding this issue. However, nobody seems to have posted a complte sotry so far. Has anybody out there got this kind of configuration working? If so I will be thankful if you could provide some information and pointers to suitable sites with further information on how I could go about doing achieving my desired configuration.

thanks

with regards and seasons greetings
-DJ
 
Old 12-20-2003, 08:41 PM   #2
bdp
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Distribution: RH 9
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hi dmadhava,

the 2 card ( 1 AGP, 1 PCI ), 2 monitor, 2 desktop configuration you describe is common in linux. one approach, if you haven't tried already, is the following:

get one card+monitor working
install 2nd card+monitor and get working ( perhaps w/ kudzu, else grab the drivers online somewhere, etc )

once both cards are working you need to update your /etc/X11/XF86Config file to tell X how to use the cards/monitors as follows:

backup your XF86Config file to XF86Config.backup and type
X -configure
while logged in as root. ( i have to do this from a runlevel 3 prompt, it doesn't work when X is running )

the last line of output from the above command is something like:
To test the server, run 'XFree86 -xf86config /root/XF86Config.new'
so try it. if X starts w/ 2 monitors and all is good, copy the XF86Config.new to /etc/X11/XF86Config and call the exercise done.

otherwise, start reading the forums again. find the error messages from a broken XF86Config file in /var/log/XFree86.0.log and troubleshoot from there.


<edit>
i don't know anything about independent keyboards + mouse for the 2 sessions, let me know if you get that working...
</edit>

Last edited by bdp; 12-20-2003 at 09:26 PM.
 
Old 12-20-2003, 09:49 PM   #3
dmadhava
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Registered: Nov 2001
Posts: 15

Original Poster
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I have basic configuration going. I have a AGP card and a PCI video card driving
two independent monitors under RedHat 9.0 (Stock). I am not using xinerama
extensions so that I can get two independent desktops. In this case, two desktops
seem to start up. However, only one of them has my desktop icons while the
other window has nothing in it other than the background.

In addition, the default screen get's two gnome panel bars at the bottom of the screen
(in two different sizes because the two video cards that I am using are running at
two different resolutions). I am wondering if there is a special gnome or sawfish
configuration that I need to set up to enable two independent desktops on the
two displays. Does anybody have some experience on this type of setup/scenario?

thanks

with regards
-DJ
 
Old 12-20-2003, 10:38 PM   #4
bdp
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Registered: Apr 2002
Distribution: RH 9
Posts: 230

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how i moved extra panel to 2nd monitor:

i just logged into the root acct, which i never bothered to customize, and found 3 panels on the left screen and none on the right.. i R-Clicked the extra panels and chose delete until only one remained. then went to save|exit and clicked 'save settings' which brought me to runlevel 3. upon starting X again, two panels showed, one in left screen, one in right. i hit 'save|exit' so now root is fixed up too.

this problem and other anomolies that occurred with dual screens in rh9 is what first drove me to fluxbox; i don't know anybody with dual screens that has tried fluxbox and subsequently went back to the stock rh-9 window manager setup however, i have heard that the stock fedora setup works better but i haven't confirmed/disproved that.

Last edited by bdp; 12-20-2003 at 10:48 PM.
 
Old 12-21-2003, 04:20 PM   #5
dmadhava
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Registered: Nov 2001
Posts: 15

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Question Enabling two Virtual Consoles (2 Video Cards + 2 Monitors) in the kernel

Hello,

I am tyring to figure out how to enable 2 virtual consoles in the linux kernel
when I am running my machine with 2 video cards and 2 monitors. I
want just plain text-based virtual consoles and not X based one
(with xinerama etc.)

Currently, all the virtual terminals get displayed only on one video card/
monitor and the other one is completely ignored by the kernel. I am
wondering if anybody out there has figured out how to run two
virtual consoles simultaneously on 2 monitors.

thanks

with regards
-DJ
 
Old 12-21-2003, 04:23 PM   #6
XavierP
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Location: Kent, England
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DJ, this seems to be a different wording of this thread. I am reporting this as a double post - a mod (should they agree with me, of course) may well either close this or merge it with your original thread.
 
Old 12-21-2003, 04:56 PM   #7
unSpawn
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//moderator.note: threads merged, thanks.
 
  


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