How to use Acer AL2016W monitor under X.Org

The monitor is not working properly with default settings: the bottom of the picture is not displayed. Fortunately I discovered, that the monitor works well with CVT timing. I generated the proper modeline with the following software:

http://www.uruk.org/~erich/projects/cvt/

Here is the monitor section for xorg.conf: Section "Monitor" Identifier "Monitor0" VendorName "ACR" ModelName "AL2016W" HorizSync 31-84 VertRefresh 56-77 # Max dot clock (video bandwidth) 170 MHz # DPMS capabilities: Active off:yes Suspend:yes Standby:yes # Mode "1680x1050" # vfreq 59.852Hz, hfreq 65.179kHz # DotClock 146.000000 # HTimings 1680 1784 1960 2240 # VTimings 1050 1053 1059 1089 # Flags "+HSync" "+VSync" # EndMode Modeline "1680x1050_60" 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -HSync +Vsync EndSection After that you should add the mode 1680x1050_60: Section "Screen" Identifier "Screen0" Device "Card0" Monitor "Monitor0" SubSection "Display" Viewport 0 0 Depth 1 Modes "1680x1050_60" EndSubSection SubSection "Display" Viewport 0 0 Depth 4 Modes "1680x1050_60" EndSubSection SubSection "Display" Viewport 0 0 Depth 8 Modes "1680x1050_60" EndSubSection SubSection "Display" Viewport 0 0 Depth 15 Modes "1680x1050_60" EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1680x1050_60" EndSubSection SubSection "Display" Viewport 0 0 Depth 24 Modes "1680x1050_60" EndSubSection EndSection


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