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07-28-2006 #1
- Join Date
- Jul 2006
- Location
- Delta, BC, Canada
- Posts
- 6
Run X Windows On An LG L204WT FLATRON LCD Monitor
cheers,
stampeder
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08-01-2006 #2
- Join Date
- Jul 2006
- Location
- Delta, BC, Canada
- Posts
- 6
Update
On advice from a reader I've switched modeline generators from GTF (General Timing Formula), which is suited to CRTs, to CVT, which is more suited to LCDs.
On Mandriva 2006 I used /usr/X11R6/bin/gtf to get this modeline:
# 1240x720 @ 60.00 Hz (GTF) hsync: 44.76 kHz; pclk: 72.69 MHz
Modeline "1240x720_60" 72.69 1240 1304 1432 1624 720 721 724 746 -HSync +Vsync
On Mandriva 2006 I used /usr/bin/vesa-cvt to get this modeline:
# 1240x720 @ 59.76 Hz (CVT - Reduced Blanking) hsync: 44.29 kHz; pclk: 62.00 MHz
Modeline "1240x720_59.76" 62.00 1240 1288 1320 1400 720 723 733 741 -HSync +Vsync
Another reader suggested that he was using XGL to get the monitor's native 1680x1050 working for him. I haven't tried that yet.
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08-04-2006 #3
- Join Date
- Jul 2006
- Location
- Delta, BC, Canada
- Posts
- 6
I've been reliably getting 1280x720@60 but the desktop icons and fonts look really skinny. I've backed it down to 1152x720@60 to get perfectly round circles and square boxes, but it's not 16:9 for HD. I'm staying with 1240x720@60 for now.
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12-02-2006 #4
- Join Date
- Dec 2006
- Posts
- 2
I have now found a working modeline for LG L204WT
Tadaaa! After some frustration and a great deal of stubborness I have found a working modeline for this L204WT.
The modeline is:
Code:Modeline "1680x1050@55" 140.00 1680 1712 2240 2272 1050 1071 1081 1103
Hopefully Stampeder and all you other guys stumbling upon this page in the quest for a working solution can have some use of this post.
BTW: Stampeder: You''ve got a email with the above modeline aswell!
Cheers
/sampan
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12-16-2006 #5
- Join Date
- Dec 2006
- Posts
- 2
I have been trying to find alternate modelines, since I am not 100% satisfied with the sharpness with my current modeline. In the course of doing so I have stumbeled across a modeline that works ok for me. Maybe it can do the trick for you too?
I also uncommented my settings for HorizSync and VertRefresh fot the monitor. Now my section for monitor looks like this:
Code:Section "Monitor" Identifier "monitor0" VendorName "LG" ModelName "L204WT FLATRON Wide LCD" # HorizSync 28.0-83.0 # VertRefresh 60 # Only working modelines below Modeline "1680x1050@55" 140.00 1680 1712 2240 2272 1050 1071 1081 1103 Modeline "1680x1050@61" 146.25 1680 1772 1948 2204 1050 1053 1059 1089 +hsync -vsync EndSection
Code:Modes "1680x1050@61" "1680x1050@55" "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x400"
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01-15-2007 #6
- Join Date
- Jul 2006
- Location
- Delta, BC, Canada
- Posts
- 6
Update: DVI is the problem, SVGA works beautifully
I've been trying and trying to make this work and was having constant failure with getting the native 1680x1050 resolution working. I got frustrated and switched video cards in the machine and discovered the problem:
My LG L204WT does not like the DVI input coming from my Nvidia card.
When I put in a different Nvidia card (which has no DVI output) I was immediately able to get the proper native monitor resolution working using a standard SVGA analogue connection. I swapped back the original Nvidia card and this time used the SVGA instead of the DVI and it worked perfectly to give 1680x1050.
DVI is broken, but SVGA works beautifully!
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02-09-2007 #7
- Join Date
- Feb 2007
- Posts
- 1
Originally Posted by stampeder
This is plugged into a GeForce 7800 GT.
Make sure you've got the "i2c" module loaded (Load "i2c" in the "Modules" section). You need i2c for EDID to work.
Running Ubuntu with a 2.6.15-27-k7 kernel. X Window System Version 7.0.0. "nvidia" driver version 1.0-8776
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08-21-2007 #8
- Join Date
- Aug 2007
- Posts
- 1
same problem
HI! Stampeder can you put your xorg.conf file to see how he's look, i have same monitor with a x1650 video card with DVI, tnx
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08-30-2007 #9
- Join Date
- Aug 2007
- Posts
- 8
Write the following line to device section in your xorg.conf
Option "ConnectedMonitor" "DFP-0"