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Old 01-29-2008, 07:57 AM   #1
cono
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Viewsonic va1703wb as dual monitor in a dell inspiron 640m


Hi,

I'm having some problems to configure my Viewsonic VA1703wb as a dual monitor for my laptop.

I'm doing so with xrandr command, and trying to achieve a 1440x900 in both monitors.

I run:
xrandr --ouput VGA --mode 1440x900 --left-of LVDS

The result: the Viewsonic display a "1440x900" resolution using the same physical space that my laptop does (14.1 widescreen against 17 wide). Thus, leaving gaps of black screen without image. I tried to adjust the monitor image with the monitor control without success.

xrandr ouputs:
Screen 0: minimum 320 x 200, current 1440 x 900, maximum 3000 x 1600
VGA connected (normal left inverted right)
1440x900 59.9 + 75.0 59.9
1280x1024 75.0 59.9
1280x960 59.9
1152x864 75.0 74.8
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 60.0
720x400 70.1
LVDS connected 1440x900+0+0 (normal left inverted right) 304mm x 190mm
1440x900 60.0*+
1280x800 60.0
1280x768 60.0
1024x768 60.0
800x600 60.3
640x480 59.9
TV disconnected (normal left inverted right)

I have a kubuntu Gutsy, and I don't have 915resolution installed since I have the xserver-xorg-video-intel package.

Any ideas??
Thanks!!!

Another bit of information. When I choose another resolution (1280x960) the monitor uses all it physical space. But since it's not it's natural resolution I want to use 1440x900.
 
Old 01-29-2008, 08:44 AM   #2
otoomet
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what is your graphic card? What video driver do you use?
 
Old 01-30-2008, 08:03 AM   #3
cono
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Driver and card

Quote:
Originally Posted by otoomet View Post
what is your graphic card? What video driver do you use?
It's "Intel 945" with intel driver.

Here a snippet of my xorg.conf

Section "Device"
Identifier "Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller"
Driver "intel"
BusID "PCI:0:2:0"
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Modes "1440x900"
Virtual 3000 1600
EndSubSection
EndSection
 
Old 01-30-2008, 09:44 AM   #4
otoomet
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Hmm... I had problems with intel 945 and i810 drivers (debian etch). After upgrade to intel (+ newer xorg + newer kernel) everything works fine. Does Xorg.0.log provide any clue? In my case I could see the communication problems b/w X and my monitor.
 
Old 01-31-2008, 09:06 AM   #5
cono
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Quote:
Originally Posted by otoomet View Post
Hmm... I had problems with intel 945 and i810 drivers (debian etch). After upgrade to intel (+ newer xorg + newer kernel) everything works fine. Does Xorg.0.log provide any clue? In my case I could see the communication problems b/w X and my monitor.
Good Hint!

I've been looking the logs. Still no answer to my problem.
What I did found is that the intel driver recognizes the image size as:

(II) intel(0): Max H-Image Size [cm]: horiz.: 30 vert.: 19

(II) intel(0): Supported additional Video Mode:
(II) intel(0): clock: 87.6 MHz Image Size: 304 x 190 mm
(II) intel(0): h_active: 1440 h_sync: 1488 h_sync_end 1520 h_blank_end 1600 h_border: 0

And the monitor specs says:
Display Area
36.7cm horizontal x 23.0cm vertical, 43.2cm diagonal

I have the last xorg-i810 driver, but I think is a donwgrade what I need, a friend of mine used to have the dual monitor working OK, but now is as broken as mine. And all that has changed is the x11 driver :S (we'll see)
 
Old 03-04-2008, 09:48 PM   #6
sankeerthg
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1440x900 wouldn cover full Viewsonic VA1703wb monitor

frenz..m a beginner in linux.... i hav a Viewsonic VA1703wb monitor for ma desktop... 1440x900 resolution doesnt cover whole screen instead leaving spaces in mint linux... except for fedora i faced this problem in every other linux version i used.... this is a part of ma xorg.conf


Section "Monitor"
Identifier "VA1703wb"
Option "DPMS"
HorizSync 25-70
VertRefresh 50-75
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Intel Corporation 82945G/GZ Integrated Graphics Controller"
Monitor "VA1703wb"
DefaultDepth 24
SubSection "Display"
Modes "1440x900" "1152x864" "1024x768"
EndSubSection
EndSection

1024x768 would cover the whole screen but i wanna use the best resolution...
help me...
 
  


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