[mythtv-users] daisychain VGA-to-DVI, then DVI-to-component converters?

[James Orr]

On Mon, Mar 31, 2008 at 3:17 PM, Florin Andrei <florin at andrei.myip.org>
wrote:

> Emery Guevremont wrote:
> > Florin Andrei wrote:
> >> I may purchase a pretty cheap mobo with a GeForce 7050 chipset. The
> mobo
> >> has VGA and HDMI outputs. But I also want to try component, so I'm
> >> thinking to put a VGA-to-DVI converter on the mobo, then hook up a
> >> DVI-to-component converter that I've found online.
> >>
> >> Could there be any problems with this combination?
> >>
> >>
> > Why not do it direct VGA -> Component?
> >
> >
> http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10235&cs_id=1023503&p_id=2409&seq=1&format=2
>
> Nice, but...
> The paragraph below sounds kind of ominous. Can somebody figure out
> whether or not that means that it will not work with a regular VGA
> output on an embedded GeForce 7050?
>
> ###########################################
> This cable is primarily used for connecting video projectors with
> Component-in capability through it's VGA port. It can only function with
> a VGA port that is either able to recieve or transmit Component signals
> (Y, Pr, Pb).
>
> IT WILL NOT ALLOW YOU TO CONNECT YOUR COMPONENT VIDEO SOURCES TO A
> REGULAR COMPUTER MONITOR OR HDTV unless you monitor specifically has
> this capability. Most do not. (Please check the documentation for your
> computer monitor)
>
> THIS CABLE WILL NOT ALLOW YOU TO CONNECT YOUR COMPUTER'S VGA PORT TO THE
> COMPONENET INPUT ON YOUR HDTV unless your video card supports component
> out function through it's VGA port (please confirm with your video cards
> documentation before purchasing)
>
> This cable will not convert RGBHV into Y, Pr, Pb.
> This cable will not convert Y, Pr, Pb to RGBHV
> This cable will not support Y, Cr, Cb.
> ###########################################
>
>
That sounds like it needs the sync-on-green I was talking about earlier,
which as I said, nvidia does not provide.
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