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Old 09-21-2007, 01:53 AM   #1
Person_1873
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Unhappy Need Hitachi CM813 plus Monitor FC6 Driver (can't code)


ok, i've been using this Monitor for about 5 years with windows, i've changed over to linux in the past 2-3 weeks and i'm stuck with a poor resolution, i plug in my smaller LCD 15" monitor and i get the capabilities of that monitor instantly,
i would have expected since windows can automatically find the drivers that Fedora would do the same, seeing as Fedora has loaded more drivers automatically for me than windows ever did,

my request to the Linux public is for someone to point me to a driver for it (i can compile it myself if it contains a README) so that i can get it to display a decent resolution (1280x1024 100Hz would be nice)
 
Old 09-21-2007, 05:15 AM   #2
rhaag71
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You don't need a driver, you just need to configure your xorg.conf file correctly for the display you want to use. Usually the smaller displays work right out of the box because the 1024x768 resolution is so common. Post the contents of your xorg.conf file, it'll be toward the bottom.

$ cat /etc/X11/xorg.conf

for Red Hat/Fedora, it may be in a slightly different location, let me look...that should work according to a quick www.google.com/linux search. If you still have the manual to your display, check and see if it documents the horizontal and vertical refresh rates for the different supported resolutions. Your problem can most likely be solved with a couple of quick modifications to your xorg.conf file and a reset of the X server. Check out this site http://xtiming.sourceforge.net/cgi-bin/xtiming.pl
plug in the numbers on that page and it will generate a modeline for you to add to your xorg.conf file. If you are super confident that your monitor can protect itself from improper scan rates then you can experiment a little. If you are not sure that your monitor can protect itself then find out the proper scan rates first and plug those in to generate your modeline, that is important with some older displays as they can sometimes get damaged with improper refresh rates.

I had to add a modeline for my 19" wide lcd...don't just use the example that I posted, it is for my display and yours will have different settings, but this is an example of what it will look like and it's placement within the xorg.conf file.

Code:
Section "Monitor"
    Identifier     "Generic Monitor"
    HorizSync       30.0 - 82.0
    VertRefresh     56.0 - 75.0
    ModeLine       "1440x900@60" 106.4 1440 1520 1672 1904 900 903 909 934 -hsync +vsync       #my 'modeline' from the xfree86 webpage
    Option         "DPMS"   #tells X to probe my display for settings
EndSection

Section "Device"
    Identifier     "GeForce 6200" #my video card, just a label
    Driver         "nvidia"       #driver for my card
EndSection

Section "Screen"
    Identifier     "Default Screen"
    Device         "GeForce 6200" #points to the label above
    Monitor        "Generic Monitor" #another label
    DefaultDepth    24
    Option         "AddARGBGLXVisuals" "True"    #for direct rendering if I remember correct
    SubSection     "Display"
        Depth       1
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       4
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       8
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       15
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       16
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       24
        Modes      "1440x900" "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection
I only posted the section of the xorg file that concerns subject at hand. I added some comments for you and bolded a few things. I manually added the 1440x900...1280x1024 to each line in the subsection "display" lines. It works great, but someone else may post with a better way. You will find lots of other configurations in this file, but you should not have to adjust anything else to get your desired resolution. Once you add the modeline you will have to restart X, as a newbie I use to reboot (old widows habit), but as time goes on you find you can do almost anything to Linux without having to perform a hard boot to make settings take effect, but reboot is simple. Hint, once you get it working, keep a copy of your working xorg.conf file for future installations.

hope this helps some...
 
Old 09-21-2007, 05:22 AM   #3
jay73
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Person1873,

this is probably more of video driver issue that it has to do with the monitor. Check that you are using the proper video driver and follow the advice from rhaag.
 
Old 09-21-2007, 08:33 AM   #4
Person_1873
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Quote:
Originally Posted by jay73 View Post
Person1873,

this is probably more of video driver issue that it has to do with the monitor. Check that you are using the proper video driver and follow the advice from rhaag.
thanks rhaag71, i'll give that a try, i might not be able to get a huge amount of access to the computer i'm using it on though because it's on my lil sis's computer (which is also running FC6 out of hope that it won't stuff up as much as win 98)

jay, i doubt it's a problem with my card i must say, because of the fact that i got the better res with my smaller newer screen (no offence)

Last edited by Person_1873; 09-21-2007 at 08:38 AM.
 
Old 09-21-2007, 10:26 PM   #5
Person_1873
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thanks guys for all your help, FC6 does have the drivers for the monitor and i now have it running at 1280x800 85Hz, sorry for wasting your time
 
Old 09-26-2007, 12:37 PM   #6
rhaag71
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Quote:
Originally Posted by Person_1873 View Post
thanks guys for all your help, FC6 does have the drivers for the monitor and i now have it running at 1280x800 85Hz, sorry for wasting your time
You are most welcome, BTW you have not wasted my time, nobody forced me to reply, or even read your post. This is just one way that I can give something back to the community that has helped me so much.

I just wanted to clear up a couple concepts for you and others who happen upon this thread...

Your display (the monitor itself) does not necessarily require a driver. This is kind of a mix of terms, mostly from being Windoze users as most of us have been at one time or another. As long as your video card supports your monitor then you are in business, so to speak. Don't worry, these days you need a VGA monitor connected to a VGA card.

Don't get me wrong, it is handy to have a video driver that is intended for your monitor and video card alike, but will let a windoze user have the install disks that come with our shiny new equipment. And this is cool aspect of running Linux, You can make use of equipment thats no longer supported by MS, or "I lost the install disk" throw backs from a buddy's garage or basement. I love it, thrift stores are treasure piles!

Your smaller display worked easier because it is more modern and communicates it's needs to the video card/chipset better than the other monitor, thats all. So take the other approach, tell it what it wants instead of the other way around.

Good Luck, glad you got it working with more ease than anticipated.
 
Old 01-05-2008, 05:26 AM   #7
Person_1873
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right, the setting was under system> administration> screens and graphics, i now use ubuntu, which i find soo much nicer than fedora
 
  


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