[mythtv-users] Edges of picture getting cut off on tv out

Joe Votour joevph at yahoo.com
Mon Apr 25 04:19:54 UTC 2005


Last I heard, the overscan on the Unichrome video
chipset can't be finetuned (although this may have
changed recently, I haven't used my M10000 in maybe
four or five months).  The settings are (were)
calculated based on a fixed set of tables, rather than
a calculation (like on the nVidia cards).

I think that your only choices are:
Option      "TVVScan" "over" (overscan)
Option      "TVVScan" "under" (underscan)

-- Joe

--- Brian Wallen <brian_wallen at hotmail.com> wrote:

> I'm using the S-Video out on my epia 10000
> motherboard to my tv.  The 
> problem is that when I'm trying to change settings
> on screen, the picture is 
> cut off on all 4 edges, making it near impossible to
> see some of the 
> options.  How can I change this? I'll post my
> xorg.conf.
> 
> Section "Module"
>         Load    "dbe"   # Double buffer extension
>         SubSection "extmod"
>                 Option    "omit xfree86-dga"   #
> don't initialise the DGA 
> extension
>         EndSubSection
>         Load    "type1"
>         Load    "speedo"
> #       Load    "freetype"
> #       Load    "xtt"
> 
>         Load    "glx"
>         Load    "dri"
>         Load    "v4l"
> 
> EndSection
> 
> Section "Files"
>         RgbPath         "/usr/X11R6/lib/X11/rgb"
> #       FontPath       
> "/usr/X11R6/lib/X11/fonts/local/"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/misc/"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/Speedo/"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/Type1/"
> #       FontPath       
> "/usr/X11R6/lib/X11/fonts/TrueType/"
> #       FontPath       
> "/usr/X11R6/lib/X11/fonts/freefont/"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/75dpi/"
>         FontPath       
> "/usr/X11R6/lib/X11/fonts/100dpi/"
> #       ModulePath      "/usr/X11R6/lib/modules"
> EndSection
> 
> Section "ServerFlags"
> #       Option  "NoTrapSignals"
> #       Option  "DontVTSwitch"
> #       Option  "DontZap"
> #       Option  "Dont Zoom"
> #       Option  "DisableVidModeExtension"
> #       Option  "AllowNonLocalXvidtune"
> #       Option  "DisableModInDev"
> #       Option  "AllowNonLocalModInDev"
>         Option  "BlankTime"     "0"
>         Option  "StandbyTime"   "0"
>         Option  "SuspendTime"   "0"
>         Option  "OffTime"       "0"
> EndSection
> 
> Section "InputDevice"
>         Identifier      "Keyboard1"
>         Driver  "keyboard"
> #       Option  "Protocol"      "Xqueue"
>         Option  "AutoRepeat"    "500 30"
> #       Option  "Xleds"         "1 2 3"
> #       Option  "LeftAlt"       "Meta"
> #       Option  "RightAlt"      "ModeShift"
> #       Option  "XkbDisable"
> 
>         Option  "XkbRules"      "xfree86"
>         Option  "XkbModel"      "pc101"
>         Option  "XkbLayout"     "us"
> EndSection
> 
> Section "InputDevice"
>         Identifier      "Mouse1"
>         Driver  "mouse"
>         Option  "Protocol"              "IMPS/2"
>         Option  "Device"               
> "/dev/input/mice"
>        Option  "ZAxisMapping"          "4 5"
> #       Option  "Resolution"            "256"
> #       Option  "Emulate3Buttons"
> #       Option  "Emulate3Timeout"       "50"
> EndSection
> 
> 
> Section "InputDevice"
>         Identifier  "Mouse0"
>         Driver      "mouse"
>         Option      "Protocol" "PS/2"
>         Option      "Device" "/dev/psaux"
>         Option      "ZAxisMapping" "4 5"
>         Option      "Emulate3Buttons" "yes"
> EndSection
> 
> 
> Section "Monitor"
>         Identifier      "TV"
>         HorizSync       30-70
>         VertRefresh     50-160
> #       Option          "DPMS" "no"
>         #Refresh Rate 60Hz
>         ModeLine        "720x480" 26.7 720 736 808
> 896 480 481 484 497
>         ModeLine        "720x576" 32.7 720 744 816
> 912 576 577 580 597
>         ModeLine        "848x480" 31.5 848 864 952
> 1056 480 481 484 497
>         ModeLine        "856x480" 31.7 856 872 960
> 1064 480 481 484 497
>         ModeLine        "1024x512" 41.3 1024 1056
> 1160 1296 512 513 516 531
>         ModeLine        "1280x768" 80.1 1280 1344
> 1480 1680 768 769 772 795
>         ModeLine        "1440x1050" 126.2 1440 1536
> 1688 1936 1050 1051 1054 
> 1087
>         #Refresh Rate 75Hz
>         ModeLine        "720x480" 34.9 720 752 824
> 928 480 481 484 502
>         ModeLine        "720x576" 42.6 720 760 832
> 944 576 577 580 602
>         ModeLine        "848x480" 41.0 848 880 968
> 1088 480 481 484 502
>         ModeLine        "856x480" 41.3 856 888 976
> 1096 480 481 484 502
>         ModeLine        "1024x512" 53.3 1024 1072
> 1176 1328 512 513 516 535
>         ModeLine        "1280x768" 103.0 1280 1360
> 1496 1712 768 769 772 802
>         ModeLine        "1440x1050" 160.0 1440 1536
> 1696 1952 1050 1051 1054 
> 1096
>         #Refresh Rate 85Hz
>         ModeLine        "1280x768" 118.5 1280 1368
> 1504 1728 768 769 772 807
>         ModeLine        "1440x1050" 184.5 1440 1544
> 1704 1968 1050 1051 1054 
> 1103
>         ModeLine        "848x480" 47.4 848 888 976
> 1104 480 481 484 505
> EndSection
> 
> Section "Device"
>         Identifier      "VIA CLE266"
>         Driver          "via"
>         VendorName      "Via"
>         BoardName       "cle266"
>         VideoRam        32768   # needed if videoram
> is incorrectly detected
> #       Option  "NoAccel"       "yes"
> #       Option  "NoDDCValue"    "True" # for flicker
>         Option  "TVType"        "NTSC"
> #       Option  "TVType"        "PAL"
> #       Option  "TVOutput"      "Composite"
>         Option  "TVOutput"      "S-Video"
> #       Option  "TVOutput"      "RGB"
> #       Option  "TVOutput"      "YCbCr"
> #       Option  "TVVScan"       "under"
>         Option  "TVVScan"       "over"
> #       Option  "TVVScan"       "normal"
>         Option  "ActiveDevice"  "CRT,TV"
>         Option  "TVDotCrawl"
> #       Option  "HWCursor"      "Off"
> EndSection
> 
> Section "Screen"
>         Identifier      "Screen1"
>         Device          "VIA CLE266"
>         Monitor         "TV"
>         DefaultDepth    16
> 
>         Subsection "Display"
>                 Depth           8
>                 Modes           "1024x768" "800x600"
> "640x480"
>                 ViewPort        0 0
>         EndSubsection
>         Subsection "Display"
>                 Depth           16
>                 Modes           "1024x768" "800x600"
> "640x480"
>                 ViewPort        0 0
>         EndSubsection
>         Subsection "Display"
>                 Depth           24
>                 Modes           "800x600" "640x480"
>                 ViewPort        0 0
>         EndSubsection
> EndSection
> 
> Section "ServerLayout"
> 
=== message truncated ===>
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