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Old 11-05-2007, 07:31 PM   #1
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Registered: Nov 2007
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The (Un-)common Widescreen resolution problem (1680x1050)


Thanks in advance for your help!

I have a widescreen LCD monitor intended for 1680x1050 display. I have just installed Suse 10.3 (KDE) and an Intel i845 graphics card installed. Using all the 'tricks' of the trade (915resolution, changing xorg.conf, updated intel drivers), and nothing seems to work. I get a crisp image, but the picture does not fill the entire wide screen. Does anyone have any tips which might help? Here is some config code:

>#915resolution -l
Intel 800/900 Series VBIOS Hack : version 0.5.3

Chipset: 845G
Mode Table Offset: $C0000 + $3de
Mode Table Entries: 18

Mode 30 : 1680x1050, 8 bits/pixel
Mode 32 : 1680x1050, 8 bits/pixel
Mode 34 : 1024x768, 8 bits/pixel
Mode 38 : 1280x1024, 8 bits/pixel
Mode 3a : 1600x1200, 8 bits/pixel
Mode 3c : 1920x1440, 8 bits/pixel
Mode 41 : 1680x1050, 16 bits/pixel
Mode 43 : 1680x1050, 16 bits/pixel
Mode 45 : 1024x768, 16 bits/pixel
Mode 49 : 1280x1024, 16 bits/pixel
Mode 4b : 1600x1200, 16 bits/pixel
Mode 4d : 1920x1440, 16 bits/pixel
Mode 50 : 1680x1050, 32 bits/pixel
Mode 52 : 1680x1050, 32 bits/pixel
Mode 54 : 1024x768, 32 bits/pixel
Mode 58 : 1280x1024, 32 bits/pixel
Mode 5a : 1600x1200, 32 bits/pixel
Mode 5c : 1920x1440, 32 bits/pixel

My xorg.conf file:

Section "Monitor"
DisplaySize 1680 1050
HorizSync 30-66
Identifier "Monitor[0]"
ModelName "1680X1050@60HZ"
Option "DPMS"
VendorName "--> LCD"
VertRefresh 50-61
Modeline "1680x1050" 123.0 1680 1784 1960 2240 1050 1053 1059 1089

Section "Screen"
DefaultDepth 24

SubSection "Display"

Depth 24
Modes "1680x1050"
Device "Device[0]"
Identifier "Screen[0]"
Monitor "Monitor[0]"

Section "Device"
BoardName "i845"
BusID "0:2:0"
Driver "intel"
Identifier "Device[0]"
Option "XVideo"
Screen 0
VendorName "Intel"

Section "ServerLayout"
Identifier "Layout[all]"
InputDevice "Keyboard[0]" "CoreKeyboard"
InputDevice "Mouse[1]" "CorePointer"
Option "Clone" "off"
Option "Xinerama" "off"
Screen "Screen[0]"

Section "DRI"
Group "video"
Mode 0660

(All the values for mode I took from /var/log/Xorg.0.log)

Thanks so much! This is driving me up the wall!
Old 11-05-2007, 08:23 PM   #2
Registered: Mar 2007
Location: North Carolina
Distribution: Slackware 12.0, Gentoo, LFS, Debian, Kubuntu.
Posts: 906

Rep: Reputation: 38
Monitor Settings.

Double check your sync and refresh rates with your monitor specs.

Last edited by Hern_28; 11-05-2007 at 08:24 PM. Reason: clarity
Old 11-05-2007, 11:35 PM   #3
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Registered: Nov 2007
Posts: 10

Original Poster
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Yes, I have checked and rechecked my refresh and sync rates.

I wonder what could be wrong!?


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