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Titel: SOLVED: 1920x1200 monitor problem
 Verfasst am: 28.07.2006, 22:39 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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Hi
I've just got a new monitor which requires a 1920x1200 resolution.
I tried to get this using fix-res 1920x1200.
xorg.conf shows the following modeline:
# 1920x1200 @ 60.00 Hz (GTF) hsync: 74.52 kHz; pclk: 193.16 MHz
ModeLine "1920x1200" 193.16 1920 2048 2256 2592 1200 1201 1204 1242 -HSync +Vsync
however, when I go into knxcc, the maximum modeline displayed is 1600x1200. Similarly, in kdecc the peripherals/display also has a maximum of 1600x1200.
Can someone please advise how I get the higher resolution?
Thanks. |
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Cheers
mickhs
Zuletzt bearbeitet von mickhs am 29.07.2006, 06:22 Uhr, insgesamt ein Mal bearbeitet
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Titel: 1920x1200 monitor
Verfasst am: 28.07.2006, 23:09 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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We would need to know the type of your graphic card (vendor, product number), then someone might know an answer, there are different solutions for different cards.
hubi |
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Titel: Re: 1920x1200 monitor
Verfasst am: 28.07.2006, 23:14 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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hubi hat folgendes geschrieben::
We would need to know the type of your graphic card (vendor, product number), then someone might know an answer, there are different solutions for different cards.
hubi
Thanks, hubi.
The card is a Nvidia FX5500. And I'm using a dvi cable. |
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Cheers
mickhs
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Titel: Re: 1920x1200 monitor
Verfasst am: 28.07.2006, 23:20 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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Give me a minute, I have a similar card with a special resolution on my HP, just have to recall, what I did.
hubi |
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Titel: Re: 1920x1200 monitor
Verfasst am: 28.07.2006, 23:40 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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Ok, I'm on the HP now and recall.
Edit xorg.conf as root (think you know how, if not, ask back) and go to the section "Screen". You have your modes for every colour depth, and each line with the modes should look sth like that:
Zitat:
Modes "1920x1200" "1440x900" "1152x864" "1024x768" "800x600" "640x480"
If the first number after "Modes" ist not "1920x1200", just paste it there. The rest of the resolutions might look absolutely different to mine, I just pasted them. The first is important.
After that quit X with ctrl-alt-backspace, login again, and in knxcc you should have your resolution as option. Choose it, restart X again (you should be asked to do that).
For the future: kernel-upgrades kick the whole stuff, so as root you have to remove xorg.conf.1st:
# rm /etc/X11/xorg.conf.1st
After that: no more troubles with resolutions.
Hope it works for you as well,
greetings,
hubi |
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Titel:
Verfasst am: 29.07.2006, 00:01 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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Hi hubi
Thanks for that. I did as you said and changed the Screens section, like so:
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultColorDepth 24
SubSection "Display"
Depth 1
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 32
Modes "1920x1200" "1600x1200" "1400x1050" "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
I then restarted Xserver. However, knxcc and kdecc still have 1600x1200 as the maximum resolution.
I noticed in the Screens section of xorg.conf.1st that the maximum resolution is 1600x1200. Should I edit this file as well and include 1920x1200? Or should I delete it? I'm a bit unsure what you mean after "For the future". |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 00:11 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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xorg.conf.1st is just relevant after a kernel-upgrade. If you delete it, this file will be created again, but with your personal options.
But with your current situation that you cannot use that xorg.conf is more troubeling, because I cannot see a problem, looks right. You have the modeline and you have the screen section. Hmmmmmm.
Did you install the nvidia driver or are you using the native nv as driver? I use the driver from nvidia.
hubi |
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Titel:
Verfasst am: 29.07.2006, 00:17 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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hubi hat folgendes geschrieben::
Did you install the nvidia driver or are you using the native nv as driver? I use the driver from nvidia.
hubi
I'm using the nvidia driver.
Is it worth trying to put in 1920x1200 in the xorg.conf.1st file and see if that works? Or deleting it and see if it populates the screen section with 1920x1200? |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 00:24 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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Titel:
Verfasst am: 29.07.2006, 00:35 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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| That sounded promising. I set it manually to 1920x1200 and then quit X. Unfortunately, it didn't stick with the 1920x1200. In fact, it dropped down to 1400x1050. Tried it twice with the same response. Hmmm. |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 00:39 Uhr
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Anmeldung: 02. Mai 2006
Beiträge: 66
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try using Virtual in the Screen Section, worked for me with 1280x800 ( it does not work without for me, strange thing  )
Code:
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultColorDepth 24
SubSection "Display"
Depth 24
Modes "1280x800" "1024x768" "800x600" "640x480"
Virtual 1280 800
EndSubSection
EndSection
so just add Virtual 1920 1200 to your subsection.
Sth. different: you can delete all subsections except of the one using a depth of 24 as you are only using this section. this reduces your config and makes it a bit more comfortable editing it
greetz, EvNu |
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Titel:
Verfasst am: 29.07.2006, 01:18 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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No, that didn't work either, but thanks anyway.
I noticed when I went in to edit xorg.conf that all my "1920x1200" had been removed from the Screen part. So I did it all again and redid hubi's and your suggestions. It just wants to drop back to 1400x1050.
I now have it set it to its current maximum of 1600x1200. Grrr. |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 06:37 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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So I did some research at nV forums.
It seems the problem in trying to obtain a 1920x1200 screen resolution is the DVI cable and the Nvidia driver.
It seems you can run 1920x1200 using nv and a DVI cable but not the nvidia driver and a DVI cable. From my reading, it seems the nvidia driver has some sort of pixel clock limiting logic which constricts it to a theoretical limit of a DVI connection.
Anyway, the solution is, from driver version 8756, just add
Option "ModeValidation" "NoMaxPClkCheck"
in Section "Device".
It works! I now have a 1920x1200 screen resolution.  |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 07:33 Uhr
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Anmeldung: 22. Jan 2006
Beiträge: 1296
Wohnort: Budapest
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Good morning from here. That's great news!
Was quite a tricky one then,
hubi |
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Titel:
Verfasst am: 29.07.2006, 07:42 Uhr
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Anmeldung: 27. Mar 2004
Beiträge: 31
Wohnort: Australia
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Hi hubi
tricky finding the solution, but quick to fix once that was known.
BTW, thanks for trying to help this morning. |
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Cheers
mickhs
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Titel:
Verfasst am: 29.07.2006, 12:00 Uhr
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Anmeldung: 09. Jan 2006
Beiträge: 1720
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Wrong, the DVI presents the driver aways the max.resolution the monitor can run on. incl. timings. You'ld never should use Modlines or special res settings in xorg.conf, when both monitor and graphiccard use the DVI-D.
you only need to set the res. once, if you got a low-cost DVI connector for analog monitors/cabels. Or you use an Adapter DVI to VGA. |
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Titel:
Verfasst am: 30.07.2006, 12:38 Uhr
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Anmeldung: 10. Dez 2004
Beiträge: 597
Wohnort: Schleswig-Holstein
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| Good to know there are other ways to obtain a 1920x1200 resolution. I was lucky, I just had to remove the modelines and to set the user defined resolution in grafical knxcc to 1920x1200 (also using a dvi cable but a 6200 Nvidia). The xorg.conf.1st doesn't only seem to be used when upgrading the kernel but also when upgrading xorg and the nividia driver so it's a good advice to delete it after installing the nvidia driver for the first time. |
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Linux-Userin #213445
LastFM-Musikstatistik für Kanoten
Kanotix, siduction, Kubuntu, antiX
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