[mythtv-users] Need help with xorg.conf for Pioneer 50" Plasma

Larry K lunchtimelarry at gmail.com
Sat Mar 10 20:03:15 UTC 2007


Try this utility to adjust your modeline to shift the picture left or right,
up or down:

http://www.tkk.fi/Misc/Electronics/faq/vga2rgb/calc.html

You can import what you have, tweak it, and produce a new modeline.

On 1/26/07, Dan Cronstein <dcronstein at fuse.net> wrote:
>
> I have been trying to set up a myth box for about 3 months now. All I get
> is
> constant lockups (and a sore neck from reloading and looking at the
> plasma,
> which hangs fairly high on the wall!)
>
> Anyway...
>
> I do have a Pioneer 61" that I have hooked this box up to. (Also have been
> trying Windows Media Center...but would sure like to get Myth working
> properly.) Have used HDMI (severe overscan that does not seem
> controlable),
> S-Video (lousy picture), and, most of the time, using the VGA. (I have
> ordered a VGA to BNC cable as the second component input on this unit has
> BNC connectors and the first component connector is being used by the
> DirecTV box.)
>
> The resolution is also 1365 x 768 on this unit. Downloaded "Powerstrip"
> and
> ran it through windows to get a proper modeline. The two that worked the
> best are:
>
> PowerStrip timing parameters:
> 1280x768=1280,80,128,176,768,3,7,20,79312,2050
> Generic timing details for 1280x768:
> HFP=80 HSW=128 HBP=176 kHz=48 VFP=3 VSW=7 VBP=20 Hz=60
> VESA detailed timing:
> PClk=79.31 H.Active=1280 H.Blank=384 H.Offset=64 HSW=128 V.Active=768
> V.Blank=30 V.Offset=3 VSW=7
> Linux modeline parameters:
> "1280x768" 79.312 1280 1360 1488 1664 768 771 778 798 -hsync +vsync
>
> PowerStrip timing parameters:
> 1360x768=1360,64,112,256,768,3,6,18,85478,1
> Generic timing details for 1360x768:
> HFP=64 HSW=112 HBP=256 kHz=48 VFP=3 VSW=6 VBP=18 Hz=60
> VESA detailed timing:
> PClk=85478.00 H.Active=1360 H.Blank=432 H.Offset=48 HSW=112 V.Active=768
> V.Blank=27 V.Offset=3 VSW=6
> Linux modeline parameters:
> "1360x768" 85.478 1360 1424 1536 1792 768 771 777 795 +hsync +vsync
>
> There is a problem, not with the modelines (I don't think). In the 1360 x
> 768 mode, there is a very small stripe on each side of the display. I am
> assuming that it is the difference between 1360 and 1365. (I could not get
> a
> proper picture when trying 1368 x 768.) I think that modifying the
> modeline
> may take care of that, but I do not have the "smarts" to do that. The 1280
> x
> 768 seems to work decently, but it is not as clear of a picture.
>
> In the manual that came with the display, it suggests running at 1024 x
> 768,
> but then the picture is "squashed".
>
> Hopefully, this modeline will work for you.
>
> Danno
>
>
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Rich West
> Sent: Friday, January 26, 2007 5:32 PM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] Need help with xorg.conf for Pioneer 50"
> Plasma
>
>
> Larry K wrote:
> >
> >
> > On 1/26/07, * Rich West* <Rich.West at wesmo.com
> > <mailto:Rich.West at wesmo.com>> wrote:
> >
> >     Larry K wrote:
> >     > Greetings...
> >     >
> >     > I have myth running successfully with an S-video connection to
> >     my old
> >     > 32" Sony TV for a couple years.  I am capturing SD with PVR-250s
> >     and I
> >     > have some sort of nVidia GEFORCE video card (VGA and S-video
> output
> >     > only).
> >     >
> >     > Recently purchased a Pioneer 50" plasma, so I *think* I should be
> >     > connecting with a VGA cable instead of S-video (better video
> >     quality I
> >     > assume), and my old xorg.conf probably needs an facelift.  The
> >     Pio has
> >     > a native resolution of 1365x768.
> >     >
> >     > Can anyone offer advice or a copy of their xorg.conf?
> >
> >     If it has VGA, then use that.  Going from an S-video connection,
> which
> >     is still standard definition TV (480i) to VGA (progressive at all
> >     resolutions) will be a bit of a leap and will require some
> >     configuration
> >     adjustments on Myth's playback options (check the box next to
> >     "De-interlace video" and select "bob" as the method).  As far as the
> >     xorg.conf goes, Xorg really should just see your Pioneer as a
> computer
> >     monitor (more or less) and shouldn't really need much tweaking other
> >     than making sure that you are using the correct driver and typical
> >     options defined in your "Device" section and then just make sure you
> >     have your "Screen" section set up to have the resolutions you want
> to
> >     support.
> >
> >     For example, my "Device" section looks like:
> >
> >     Section "Device"
> >             Identifier  "Videocard0"
> >             Driver      "nvidia"
> >             VendorName  "XFX"
> >             BoardName   "XFX nVidia GeForce 6200"
> >             Option      "RenderAccel" "1"
> >             Option      "NvAGP" "2"
> >             Option      "NoLogo" "true"
> >             Option      "UseEvents" "True"
> >     EndSection
> >
> >     -Rich
> >
> > Rich,
> >
> > Thanks for the reply.  Yes, the new plasma has a VGA "PC" input.
> >
> > Here is the xorg.conf I've been running with my old TV connected with
> > S-video.  I wondered if it needed some changes because nowhere does it
> > specify the resolution of my new plasma.  The highest resolution
> > called out is 1024x768...
> >
> > # XFree86 4 configuration created by pyxf86config
> > # Edited by Jarod Wilson
> >
> >
> > Section "ServerLayout"
> >         Identifier     "Default Layout"
> >         Screen      0  "Screen0" 0 0
> >         InputDevice    "Mouse0" "CorePointer"
> >         InputDevice    "Keyboard0" "CoreKeyboard"
> > EndSection
> >
>
> >
> > Section "Files"
> >
>
> >
> > # RgbPath is the location of the RGB database.  Note, this is the name
> > of the
> > # file minus the extension (like ".txt" or ".db").  There is normally
> > # no need to change the default.
> > # Multiple FontPath entries are allowed (they are concatenated together)
> > # By default, Red Hat 6.0 and later now use a font server independent of
> > # the X server to render fonts.
> >         RgbPath      "/usr/X11R6/lib/X11/rgb"
> >         ModulePath   "/usr/X11R6/lib/modules/extensions/nvidia"
> >         ModulePath   "/usr/X11R6/lib/modules/extensions"
> >         ModulePath   "/usr/X11R6/lib/modules"
> >         FontPath     "unix/:7100"
> > EndSection
> >
>
> >
> > Section "Module"
> >         Load  "dbe"
> >         Load  "extmod"
> >         Load  "fbdevhw"
> >         Load  "glx"
> >         Load  "record"
> >         Load  "freetype"
> >         Load  "type1"
> >         Load  "v4l"
> > EndSection
> >
>
> >
> > Section "InputDevice"
> >
>
> >
> > # Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
> > #       Option  "Xleds"         "1 2 3"
> > # To disable the XKEYBOARD extension, uncomment XkbDisable.
> > #       Option  "XkbDisable"
> > # To customise the XKB settings to suit your keyboard, modify the #
> > lines below (which are the defaults).  For example, for a non-U.S. #
> > keyboard, you will probably want to use:
> > #       Option  "XkbModel"      "pc102"
> > # If you have a US Microsoft Natural keyboard, you can use:
> > #       Option  "XkbModel"      "microsoft"
> > #
> > # Then to change the language, change the Layout setting.
> > # For example, a german layout can be obtained with:
> > #       Option  "XkbLayout"     "de"
> > # or:
> > #       Option  "XkbLayout"     "de"
> > #       Option  "XkbVariant"    "nodeadkeys"
> > #
> > # If you'd like to switch the positions of your capslock and # control
> > keys, use:
> > #       Option  "XkbOptions"    "ctrl:swapcaps"
> > # Or if you just want both to be control, use:
> > #       Option  "XkbOptions"    "ctrl:nocaps"
> > #
> >         Identifier  "Keyboard0"
> >         Driver      "keyboard"
> >         Option      "XkbRules" "xfree86"
> >         Option      "XkbModel" "pc105"
> >         Option      "XkbLayout" "us"
> > EndSection
> >
> > Section "InputDevice"
> >         Identifier  "Mouse0"
> >         Driver      "mouse"
> >         Option      "Protocol" "IMPS/2"
> >         Option      "Device" "/dev/input/mice"
> >         Option      "ZAxisMapping" "4 5"
> >         Option      "Emulate3Buttons" "no"
> > EndSection
> >
> > Section "InputDevice"
> >
> > # If the normal CorePointer mouse is not a USB mouse then
> > # this input device can be used in AlwaysCore mode to let you # also
> > use USB mice at the same time.
> >         Identifier  "DevInputMice"
> >         Driver      "mouse"
> >         Option      "Protocol" "IMPS/2"
> >         Option      "Device" "/dev/input/mice"
> >         Option      "ZAxisMapping" "4 5"
> >         Option      "Emulate3Buttons" "no"
> > EndSection
> >
> > Section "Monitor"
> >         Identifier   "Monitor0"
> >         VendorName   "Monitor Vendor"
> >         ModelName    "27in Analog TV"
> >         HorizSync    30.0 - 50.0
> >         VertRefresh  60.0 - 60.0
> > #       Option      "dpms"
> > EndSection
> >
> > Section "ServerFlags"
> >         Option "blank time" "0"
> >         Option "standby time" "0"
> >         Option "suspend time" "0"
> >         Option "off time" "0"
> > EndSection
> >
> > Section "Device"
> >         Identifier  "Videocard0"
> >         Driver      "nvidia"
> >         VendorName  "Chaintech"
> >         BoardName   "nVidia GeForce 4 MX 440"
> > #       Option      "RenderAccel" "1"
> >         Option      "TVStandard" "NTSC-M"
> >         Option      "TVOutFormat" "SVIDEO"
> >         Option      "NvAGP" "1"
> > EndSection
> >
> > Section "Screen"
> >         Identifier "Screen0"
> >         Device     "Videocard0"
> >         Monitor    "Monitor0"
> >         DefaultDepth     24
> >         SubSection "Display"
> >                 Depth     24
> >                 Modes    "1024x768" "800x600" "640x480"
> >         EndSubSection
> > EndSection
> >
> > Section "DRI"
> >         Group        0
> >         Mode         0666
> > EndSection
>
>
> I believe you would have to add the proper resolution to the "Modes"
> line in the "Screen" section to include the resolution you are looking
> for (1365x768).
>
> You can also comment out the lines:
>         Option      "TVStandard" "NTSC-M"
>         Option      "TVOutFormat" "SVIDEO"
>
> -Rich
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