fedora fc2 problem with display color depth and resolution

Hi 

Im using a Dell UltraScan P991 monitor and Fedora Core 2 on a
Dell machine with a Pentium 4 processor. I cant get both
1024x768 resolution and color depth more than 8 together. 

I can get a color depth of 16, but the highest resolution i get
is 640x480. If I want a higher resolution, anything above and
including 800x600, I have to lower the color depth to 8. I know
the monitor supports atleast 1024x768, because thats what i had
the resolution at when I had Windows XP on the machine. 

Also, how can i determine if i have the right driver installed
for this monitor?

I have included the relevant portions of my xorg.conf and
Xorg.0.log files. Any help would be greatly appreciated. 

Thanks 
Shailan 

xorg.conf: 

Section "Monitor" 
        Identifier   "Monitor0" 
        VendorName   "Monitor Vendor" 
        ModelName    "Dell P991" 
        HorizSync    30.0 - 107.0 
        VertRefresh  48.0 - 120.0 
        Option      "dpms" 
EndSection 


Section "Device" 
        Identifier  "Videocard0" 
        Driver      "i810" 
        VendorName  "Videocard vendor" 
        BoardName   "Intel 865" 
EndSection 


Section "Screen" 
        Identifier "Screen0" 
        Device     "Videocard0" 
        Monitor    "Monitor0" 
        DefaultDepth     8 
        SubSection "Display" 
                Viewport   0 0 
                Depth     24 
                Modes    "1024x768" "800x600" "640x480" 
        EndSubSection 
        SubSection "Display" 
                Viewport   0 0 
                Depth     16 
                Modes    "1024x768" "800x600" "640x480" 
        EndSubSection 
EndSection 


____________ 


Xorg.0.log 


(II) I810(0): VESA VBE OEM: Intel(r)865G Graphics Chip
Accelerated VGA 
BIOS 
(II) I810(0): VESA VBE OEM Software Rev: 1.0 
(II) I810(0): VESA VBE OEM Vendor: Intel Corporation 
(II) I810(0): VESA VBE OEM Product: Intel(r)865G Graphics
Controller 


((II) I810(0): Supported VESA Video Modes: 
(II) I810(0): 720x400@70Hz 
(II) I810(0): 640x480@60Hz 
(II) I810(0): 640x480@75Hz 
(II) I810(0): 800x600@60Hz 
(II) I810(0): 800x600@75Hz 
(II) I810(0): 1024x768@60Hz 
(II) I810(0): 1024x768@75Hz 
(II) I810(0): 1280x1024@75Hz 


(II) I810(0): Monitor name: DELL P991 


(II) I810(0): Monitor0: Using hsync range of 30.00-107.00 kHz 
(II) I810(0): Monitor0: Using vrefresh range of 48.00-120.00 Hz 
(--) I810(0): Virtual size is 1024x768 (pitch 1024) 
(**) I810(0): *Built-in mode "1024x768" 
(**) I810(0): *Built-in mode "800x600" 
(**) I810(0): *Built-in mode "640x480" 
(II) I810(0): Attempting to use 85Hz refresh for mode "1024x768"
(34) 
(II) I810(0): Attempting to use 85Hz refresh for mode "800x600"
(32) 
(II) I810(0): Attempting to use 85Hz refresh for mode "640x480"
(30) 
(--) I810(0): Display dimensions: (370, 270) mm 
(--) I810(0): DPI set to (70, 72) 




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