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spiff
n00b
Joined: 04 Oct 2002
Posts: 37
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 Posted: Fri Dec 26, 2003 3:18 am Post subject: vga to scart, powerstrips X settings won't work |
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Hi
I've built a vga to scart convertor, ie connecting a TV directly to vga out and thus preserving the RGB signals.
http://www.hut.fi/Misc/Electronics/circuits/vga2tv/linux_tv.html
It's basically just a matter of connecting the VGA wires to the right scart male, no v/h sync to composite conversion was needed.
While I'm running windows things are fine since I've got powerstrip running my geforce4ti at 640x480 interlaced and 740x560interlace. Both modes look great on my TV. Powerstrip can suggest X settings:
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PowerStrip timing parameters:
720x540=720,0,64,56,540,29,1,57,13500,2062
Generic timing details for 720x540:
HFP=0 HSW=64 HBP=56 kHz=16 VFP=29 VSW=1 VBP=57 Hz=26
Linux modeline parameters:
"720x540" 13.500 720 720 784 840 540 569 570 627 interlace -hsync -vsync
PowerStrip timing parameters:
640x480=640,64,32,96,480,6,5,50,13629,2062
Generic timing details for 640x480:
HFP=64 HSW=32 HBP=96 kHz=16 VFP=6 VSW=5 VBP=50 Hz=30
Linux modeline parameters:
"640x480" 13.629 640 704 736 832 480 486 491 541 interlace -hsync -vsync
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Now the problem is that while both these modes work great under windows, neiter of them works under xfree.. and I can't figure out why?
I've got ONE setting that works under linux though
"Modeline "736x288" 14.40 736 760 824 904 288 290 292 312 -HSync -VSync"
For some reason its the only one.. and its not even from powerstrip but from some TV faq.
XF86Config
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Section "Monitor"
Identifier "My Monitor"
# HorizSync 31.5, 35.2 # multiple fixed sync frequencies
HorizSync 15-50 # multiple ranges of sync frequencies
# VertRefresh 60
VertRefresh 50-60
vendorname "[My Monitor]"
modelname "[My Monitor]"
ModeLine "1024x768/70Hz" 75 1024 1048 1184 1328 768 771 777 806 -HSync -VSync
#Modeline "640x480i1" 14.16 640 712 776 904 480 532 537 625 interlace -hsync -vsync
Modeline "640x480i" 14.16 640 728 792 904 480 532 537 625 interlace -hsync -vsync
#Modeline "720x540i" 13.5 720 720 784 840 540 569 570 627 interlace -hsync -vsync
#Modeline "PALi" 50.00 768 832 856 1000 576 590 595 630 -HSync -VSync interlace
Modeline "736x288" 14.40 736 760 824 904 288 290 292 312 -HSync -VSync
...
*snip* Loads of different none working modes.
EndSection
Section "Device"
Identifier "NVIDIA GeForce"
Driver "nvidia"
#Driver "nv"
vendorname "NVidia"
boardname "GeForce3 (rev 3)"
EndSection
Section "Screen"
Identifier "Screen 1"
Device "NVIDIA GeForce"
Monitor "My Monitor"
DefaultDepth 24
Subsection "Display"
Depth 8
Modes "800x600"
ViewPort 0 0
Virtual 0 0
EndSubsection
Subsection "Display"
Depth 16
Modes "1024x768/70Hz" "1024x768" "800x600" "640x480" "640x480i1" "720x540i" "640x480i2" "PALi" "640x480i" "736x288" "736x288i" "Viper 550" "NTSCi""1024x768/70Hz" "800x600" "640x480P" "640x480i1" "640x480i2" "PALi" "640x480i" "736x288" "Viper 550" "NTSCi" "PAL_CCIR" "PAL_768" "PAL_768" "PAL_768" "PAL_904" "PAL_575i" "TV1" "TV2" "TV3" "TV4" "TV5" "TV6" "TV7" "TV8" "TV9" "TV10" "TV11" "TV12" "TV13" "TV14" "TV15" "TV16" "TV17" "TV18"
ViewPort 0 0
Virtual 0 0
EndSubsection
Subsection "Display"
Depth 24
Modes "1024x768/70Hz" "1024x768" "800x600" "640x480" "640x480i1" "720x540i" "640x480i2" "PALi" "640x480i" "736x288" "736x480" "Viper 550" "NTSCi" "PAL_CCIR" "PAL_768" "PAL_768" "PAL_768" "PAL_904" "PAL_575i" "TV1" "TV2" "TV3" "TV4" "TV5" "TV6" "TV7" "TV8" "TV9" "TV10" "TV11" "TV12" "TV13" "TV14" "TV15" "TV16" "TV17" "TV18
ViewPort 0 0
Virtual 0 0
EndSubsection
EndSection
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Anyone who's got vga->scart running under linux and could post thier xfree configs? or maybe tell me whats wrong with mine.
Could nvidias drives be locked against running in TV modes under linux? Since powerstrip bypasses the drives in windows to get interlaced screenmodes. |
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spiff
n00b
Joined: 04 Oct 2002
Posts: 37
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| Posted: Fri Dec 26, 2003 10:32 pm Post subject: |
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Just found out what was wrong so I'll post it here in case some one else tries this..
current nvidia drivers won't do interlace modes under linux. |
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Mr_Myaghi
n00b
Joined: 29 Jul 2002
Posts: 70
Location: Sweden/Uppsala
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| Posted: Sun Aug 15, 2004 7:35 pm Post subject: |
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I heard that the latest drivers support interlacing...
I'm thinking about building a vga-scart connector but would like someone who already has it to try and see if it works first before I go ahead. Don't want to go and buy a card I can't use, if you know what I mean.
If anyone knows anything more about this or about other cards for that matter I would really appreciate if you could post it here!
Thanks alot!!!
_________________
Wax on, Wax off, Gentoo-san. |
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spiff
n00b
Joined: 04 Oct 2002
Posts: 37
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| Posted: Sun Oct 17, 2004 10:44 am Post subject: |
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The last thing I heard was that interlace was supported, but only activated from 800x600 and above, for HDTV usage. Below 800 won't work.. ie standard PAL tv.
Been a while though so I'll do another try.. eventually.
Matrox and Radeon cards should be fine if you can/want to try.. |
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Jovana
n00b
Joined: 23 Nov 2005
Posts: 53
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| Posted: Thu Mar 02, 2006 8:22 pm Post subject: |
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| Does anybody know if the interlace are supported on nVidia drivers? |
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