Problem with screen resolution in F8

[zephod at cfl.rr.com]

---- Bill Davidsen <davidsen at tmr.com> wrote: 
> zephod at cfl.rr.com wrote:
> > The first time I logged in after installing F8, the background picture covered the entire screen but the top menu bar and bottom task bar only extended about 2/3 the width of the screen and the bottom task bar was not at the bottom of the screen but about 1/2 the way up.
> > 
> > After playing with the screen resolutions, I have 1152x864 at 60Hz and the bars extend all the way across the screen and the task bar is at the bottom.
> > 
> > I have 2 problems:
> > 1) The 1st 1/2 inch of the screen is missing of the left side which, for some reason is really bugging me.
> > 2) The resolution I really want is 1280x1024 at 75Hz. This is a dual boot machine at 1280x1024 at 75Hz is what I use in Windows
> > 
> > Can anyone give me some ideas as to why I can't get my desired resolution?
> 
> I had a similar problem with a totally different machine, but solved it 
> by assuming the display wasn't being recognized. So I used the hardware 
> admin to set the display to generic 1280x1024 LCD and then selected the 
> resolution from the preferences menu.
> 

Unfortunately, 1280x1024 is not an option from System->Preferences->Hardware->Screen Resolution or System->Administration->Display. I have added 1280x1024 to the mode line in my Xorg.conf file and the display resolution is now correct but the top menu bar (GNOME) is not the correct size and the GDM login scrren size is not correct.

Steve.

> So easy I didn't even take notes, which is why I can't give you a step 
> by step. If I ignore the part where I swore at it, the whole thing took 
> < 2 min and involved logging out once to restart the display.
> > 
> > Below is some info from Xorg.0.log and /etc/X11/xorg.conf.
> > 
> > Thanks,
> > Steve
> > 
> > I have an ATI Radeon X800 PCIE graphics card and a generic 20" LCD monitor.
> > 
> > If I look in my Xorg.0.log file I see that the resolution I want is listed but then I see this line for output DVI-1:
> > 
> > (II) RADEON(0): Not using default mode "1280x1024" (hsync out of range)
> > (II) RADEON(0): Not using default mode "1280x1024" (vrefresh out of range)
> > (II) RADEON(0): Not using default mode "1280x1024" (vrefresh out of range)
> > 
> > and when it prints out the probed modes for DVI-1, 1280x1024 is not there. A similar thing happens for DVI-0 and this time the reasons given are:
> > 
> > (II) RADEON(0): Not using default mode "1280x1024" (bad mode clock/interlace/doublescan)
> > (II) RADEON(0): Not using default mode "1280x1024" (bad mode clock/interlace/doublescan)
> > (II) RADEON(0): Not using default mode "1280x1024" (bad mode clock/interlace/doublescan)
> > 
> > However, when the probed modes are printed this line shows up:
> > 
> > (II) RADEON(0): Modeline "1280x1024"x75.0  135.00  1280 1296 1440 1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz)
> > 
> > Near the bottom of the log, it says:
> > 
> > (II) RADEON(0): Output DVI-1 using initial mode 1152x864
> > (II) RADEON(0): Output DVI-0 using initial mode 1152x864
> > 
> > My /etc/X11/xorg.conf has this in it:
> > 
> > Section "Screen"
> >         Identifier "Screen0"
> >         Device     "Videocard0"
> >         Monitor    "Monitor0"
> >         DefaultDepth     24
> >         SubSection "Display"
> >                 Viewport   0 0
> >                 Depth     24
> >                 Modes    "1152x864" "1024x768" "800x600" "640x480"
> >         EndSubSection
> > EndSection
> > 
> 
> 
> -- 
> Bill Davidsen <davidsen at tmr.com>
>    "We have more to fear from the bungling of the incompetent than from
> the machinations of the wicked."  - from Slashdot
> 
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