Attached is the corresponding config file from Knoppix 3.4, while running the projector correctly - quite a difference.
Can I copy the mode lines across directly?


Also noticed that both Ubuntu setup & Yuri's projector-good Mdk-KDE (last Weds) were 1024x768 @ 60Hz, whereas Knpx ran both @ 75Hz.

Christopher Sawtell wrote:

On Mon, 06 Dec 2004 17:51, Rik Tindall wrote:


# XF86Config-4 (XFree86 X Window System server configuration file)



There are no mode lines in the file. Whilst they are no longer essential for the X Windowing Server to function in a rough and ready sort of way they are very useful on those occasions when you need precisely the correct frequency.


This is one of those occasions.

Set up a mode line to yield the correct video frequencies _*precisely*_.

Read the Video Timings HOWTO and use the calculator to generate the required line. Edit the mode line into the XF86Config-4 file, and restart the X server.

btw, you'd probably be better off using the x.org server in preference to the the dead-end XFree86 one.

Take care, don't just mindlessly buggerize around with the mode line, because it is quite possible to literally fry your monitor, as in smoke pouring out, if you send it out of range synch signals. I will not accept any liability whatsoever if you do that. ok?

You might find the X utility called xvidtune useful also.

Tried that thanks, but too concerned for damage to use it.

Cheers,

- Rik
Section "ServerLayout"
        Identifier     "XFree86 Configured"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "PS/2 Mouse" "CorePointer"
# Serial Mouse not detected
# USB Mouse not detected
EndSection

Section "ServerFlags"
        Option "AllowMouseOpenFail"  "true"
        
EndSection

Section "Files"
        RgbPath      "/usr/X11R6/lib/X11/rgb"
        ModulePath   "/usr/X11R6/lib/modules"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/misc"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/75dpi"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi:unscaled"
        FontPath     "/usr/X11R6/lib/X11/fonts/100dpi"
        FontPath     "/usr/X11R6/lib/X11/fonts/Speedo"
        FontPath     "/usr/X11R6/lib/X11/fonts/PEX"
# Additional fonts: Locale, Gimp, TTF...
        FontPath     "/usr/X11R6/lib/X11/fonts/cyrillic"
#       FontPath     "/usr/X11R6/lib/X11/fonts/latin2/75dpi"
#       FontPath     "/usr/X11R6/lib/X11/fonts/latin2/100dpi"
# True type and type1 fonts are also handled via xftlib, see /etc/X11/XftConfig!
        FontPath     "/usr/X11R6/lib/X11/fonts/Type1"
        FontPath     "/usr/share/fonts/ttf/western"
        FontPath     "/usr/share/fonts/ttf/decoratives"
        FontPath     "/usr/share/fonts/truetype"
        FontPath     "/usr/share/fonts/truetype/openoffice"
        FontPath     "/usr/share/fonts/truetype/ttf-bitstream-vera"
        FontPath     "/usr/share/fonts/latex-ttf-fonts"
        FontPath     "/usr/X11R6/lib/X11/fonts/defoma/CID"
        FontPath     "/usr/X11R6/lib/X11/fonts/defoma/TrueType"
EndSection

Section "Module"
        Load  "ddc"  # ddc probing of monitor
        Load  "GLcore"
        Load  "dbe"
        Load  "dri"
        Load  "extmod"
        Load  "glx"
        Load  "bitmap" # bitmap-fonts
        Load  "speedo"
        Load  "type1"
        Load  "freetype"
        Load  "record"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "keyboard"
        Option      "CoreKeyboard"
        Option "XkbRules" "xfree86"
        Option "XkbModel" "pc105"
        Option "XkbLayout" "us"

EndSection

Section "InputDevice"
        Identifier  "Serial Mouse"
        Driver      "mouse"
        Option      "Protocol" "Microsoft"
        Option      "Device" "/dev/ttyS0"
        Option      "Emulate3Buttons" "true"
        Option      "Emulate3Timeout" "70"
        Option      "SendCoreEvents"  "true"
EndSection

Section "InputDevice"
        Identifier  "PS/2 Mouse"
        Driver      "mouse"
        Option      "Protocol" "auto"
Option          "ZAxisMapping"          "4 5"
        Option      "Device" "/dev/psaux"
        Option      "Emulate3Buttons" "true"
        Option      "Emulate3Timeout" "70"
        Option      "SendCoreEvents"  "true"
EndSection

Section "InputDevice"
        Identifier      "USB Mouse"
        Driver          "mouse"
        Option          "Device"                "/dev/input/mice"
        Option          "SendCoreEvents"        "true"
        Option          "Protocol"              "IMPS/2"
        Option          "ZAxisMapping"          "4 5"
        Option          "Buttons"               "5"
EndSection

# Auto-generated by KNOPPIX mkxf86config

Section "Monitor"
        Identifier      "Monitor0"
        Option  "DPMS"  "true"
#       HorizSync    28.0 - 78.0 # Warning: This may fry very old Monitors
        HorizSync    28.0 - 96.0 # Warning: This may fry old Monitors
        VertRefresh  50.0 - 75.0 # Very conservative. May flicker.
#       VertRefresh  50.0 - 62.0 # Extreme conservative. Will flicker. TFT 
default.
        # These are the DDC-probed settings reported by your monitor.
        # 1280x1024, 75.0Hz; hfreq=79.98, vfreq=75.03
        ModeLine "1280x1024"    135.00 1280 1296 1440 1688 1024 1025 1028 1066 
+hsync +vsync
        # 1024x768, 75.0Hz; hfreq=60.02, vfreq=75.03
        ModeLine "1024x768"      78.75 1024 1040 1136 1312  768  769  772  800 
+hsync +vsync
        # 1024x768, 70.0Hz; hfreq=56.48, vfreq=70.07
        ModeLine "1024x768"      75.00 1024 1048 1184 1328  768  771  777  806 
-hsync -vsync
        # 1024x768, 60.0Hz; hfreq=48.36, vfreq=60.00
        ModeLine "1024x768"      65.00 1024 1048 1184 1344  768  771  777  806 
-hsync -vsync
        # 800x600, 75.0Hz; hfreq=46.88, vfreq=75.00
        ModeLine "800x600"       49.50  800  816  896 1056  600  601  604  625 
+hsync +vsync
        # 800x600, 72.0Hz; hfreq=48.08, vfreq=72.19
        ModeLine "800x600"       50.00  800  856  976 1040  600  637  643  666 
+hsync +vsync
        # 800x600, 60.0Hz; hfreq=37.88, vfreq=60.32
        ModeLine "800x600"       40.00  800  840  968 1056  600  601  605  628 
+hsync +vsync
        # 800x600, 56.0Hz; hfreq=35.16, vfreq=56.25
        ModeLine "800x600"       36.00  800  824  896 1024  600  601  603  625 
+hsync +vsync
        # 640x480, 75.0Hz; hfreq=37.50, vfreq=75.00
        ModeLine "640x480"       31.50  640  656  720  840  480  481  484  500 
-hsync -vsync
        # 640x480, 72.0Hz; hfreq=37.86, vfreq=72.81
        ModeLine "640x480"       31.50  640  656  696  816  480  481  484  504 
-hsync -vsync
        # 640x480, 60.0Hz; hfreq=31.47, vfreq=59.94
        ModeLine "640x480"       25.17  640  648  744  784  480  482  484  509 
-hsync -vsync
        # Extended modelines with GTF timings
        # 640x480 @ 100.00 Hz (GTF) hsync: 50.90 kHz; pclk: 43.16 MHz
        ModeLine "640x480"  43.16  640 680 744 848  480 481 484 509  -HSync 
+Vsync
        # 768x576 @ 60.00 Hz (GTF) hsync: 35.82 kHz; pclk: 34.96 MHz
        ModeLine "768x576"  34.96  768 792 872 976  576 577 580 597  -HSync 
+Vsync
        # 768x576 @ 72.00 Hz (GTF) hsync: 43.27 kHz; pclk: 42.93 MHz
        ModeLine "768x576"  42.93  768 800 880 992  576 577 580 601  -HSync 
+Vsync
        # 768x576 @ 75.00 Hz (GTF) hsync: 45.15 kHz; pclk: 45.51 MHz
        ModeLine "768x576"  45.51  768 808 888 1008  576 577 580 602  -HSync 
+Vsync
        # 768x576 @ 85.00 Hz (GTF) hsync: 51.42 kHz; pclk: 51.84 MHz
        ModeLine "768x576"  51.84  768 808 888 1008  576 577 580 605  -HSync 
+Vsync
        # 768x576 @ 100.00 Hz (GTF) hsync: 61.10 kHz; pclk: 62.57 MHz
        ModeLine "768x576"  62.57  768 816 896 1024  576 577 580 611  -HSync 
+Vsync
        # 800x600 @ 100.00 Hz (GTF) hsync: 63.60 kHz; pclk: 68.18 MHz
        ModeLine "800x600"  68.18  800 848 936 1072  600 601 604 636  -HSync 
+Vsync
        # 1024x768 @ 100.00 Hz (GTF) hsync: 81.40 kHz; pclk: 113.31 MHz
        ModeLine "1024x768"  113.31  1024 1096 1208 1392  768 769 772 814  
-HSync +Vsync
        # 1152x864 @ 60.00 Hz (GTF) hsync: 53.70 kHz; pclk: 81.62 MHz
        ModeLine "1152x864"  81.62  1152 1216 1336 1520  864 865 868 895  
-HSync +Vsync
        # 1152x864 @ 85.00 Hz (GTF) hsync: 77.10 kHz; pclk: 119.65 MHz
        ModeLine "1152x864"  119.65  1152 1224 1352 1552  864 865 868 907  
-HSync +Vsync
        # 1152x864 @ 100.00 Hz (GTF) hsync: 91.50 kHz; pclk: 143.47 MHz
        ModeLine "1152x864"  143.47  1152 1232 1360 1568  864 865 868 915  
-HSync +Vsync
        # 1280x960 @ 72.00 Hz (GTF) hsync: 72.07 kHz; pclk: 124.54 MHz
        ModeLine "1280x960"  124.54  1280 1368 1504 1728  960 961 964 1001  
-HSync +Vsync
        # 1280x960 @ 75.00 Hz (GTF) hsync: 75.15 kHz; pclk: 129.86 MHz
        ModeLine "1280x960"  129.86  1280 1368 1504 1728  960 961 964 1002  
-HSync +Vsync
        # 1280x960 @ 100.00 Hz (GTF) hsync: 101.70 kHz; pclk: 178.99 MHz
        ModeLine "1280x960"  178.99  1280 1376 1520 1760  960 961 964 1017  
-HSync +Vsync
        # 1280x1024 @ 100.00 Hz (GTF) hsync: 108.50 kHz; pclk: 190.96 MHz
        ModeLine "1280x1024"  190.96  1280 1376 1520 1760  1024 1025 1028 1085  
-HSync +Vsync
        # 1400x1050 @ 60.00 Hz (GTF) hsync: 65.22 kHz; pclk: 122.61 MHz
        ModeLine "1400x1050"  122.61  1400 1488 1640 1880  1050 1051 1054 1087  
-HSync +Vsync
        # 1400x1050 @ 72.00 Hz (GTF) hsync: 78.77 kHz; pclk: 149.34 MHz
        ModeLine "1400x1050"  149.34  1400 1496 1648 1896  1050 1051 1054 1094  
-HSync +Vsync
        # 1400x1050 @ 75.00 Hz (GTF) hsync: 82.20 kHz; pclk: 155.85 MHz
        ModeLine "1400x1050"  155.85  1400 1496 1648 1896  1050 1051 1054 1096  
-HSync +Vsync
        # 1400x1050 @ 85.00 Hz (GTF) hsync: 93.76 kHz; pclk: 179.26 MHz
        ModeLine "1400x1050"  179.26  1400 1504 1656 1912  1050 1051 1054 1103  
-HSync +Vsync
        # 1400x1050 @ 100.00 Hz (GTF) hsync: 111.20 kHz; pclk: 214.39 MHz
        ModeLine "1400x1050"  214.39  1400 1512 1664 1928  1050 1051 1054 1112  
-HSync +Vsync
        # 1600x1200 @ 100.00 Hz (GTF) hsync: 127.10 kHz; pclk: 280.64 MHz
        ModeLine "1600x1200"  280.64  1600 1728 1904 2208  1200 1201 1204 1271  
-HSync +Vsync
EndSection

Section "Device"
        ### Available Driver options are:-
# sw_cursor is needed for some ati and radeon cards
        #Option     "sw_cursor"
        #Option     "hw_cursor"
        #Option     "NoAccel"
        #Option     "ShowCache"
        #Option     "ShadowFB"
        #Option     "UseFBDev"
        #Option     "Rotate"
        Identifier  "Card0"
# The following line is auto-generated by KNOPPIX mkxf86config
        Driver      "vesa"
        VendorName  "All"
        BoardName   "All"
#       BusID       "PCI:1:0:0"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultColorDepth 16
        SubSection "Display"
                Depth     1
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     4
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     8
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     15
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     16
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     24
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth     32
                Modes "1024x768" "800x600" "640x480"
        EndSubSection
EndSection

Section "DRI"
        Mode 0666
EndSection

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