Nvidia X.org question - Cloned displays

[Sean Crago]

The problem with that is that I'd still be stuck using the 1024x768
resolution (I assume) due to the SVideo link. That said, it's not a
major problem - That's what I've got right now, and it's workable. Is
there a way to get xorg to do the geometry that pushes 16:9 data into
4:3 resolutions in a way that it'll still look like it would have at,
say 1024x576?

On Sat, Nov 1, 2008 at 3:43 AM, Billy Crook <billycrook at gmail.com> wrote:
> I hope this isn't too simple of a solution, but if I were you, and I
> wanted the hitachi and acer to have the same picture, I'd get a vga
> splitter, and a vga-to-svid converter.  Split port 1 so that it
> connects to the acer, and the vga-to-svid converter.  Then connect
> that converter to the hitachi.  Many of those converter boxes are
> equipped with hardware enabled zoom and panning, which could come in
> handy, and none of them will ever have a driver go weird on you, when
> you have a presentation to give in 5 minutes.
>
> On Fri, Oct 31, 2008 at 07:06, Sean Crago <cragos at gmail.com> wrote:
>> This may seem a little odd, but it beats reading & feeding the trolls:
>>
>> My Nvidia card's S-Video out jack is limited to 1024x768. It has two
>> DVI-I DualLink (NOT the dual monitor DVI standard) jacks besides. The
>> chances that HDMI will work at 1080* are next to nill, IMHO, given the
>> HDCP requirements and the fact that I'm asking this here and not in
>> some Windows group. Still, though, it may work alright at a lower
>> resolution. My current config is as follows:
>>
>> Video card - LEADTEK PX8600GT 256MB w/the following lspci output:
>> 02:00.0 VGA compatible controller: nVidia Corporation GeForce 8600 GT
>> (rev a1)
>> DISPLAY=:0.0: Samsung 225BW w/DVI connector running at its native
>> 1680x1050 resolution (16:10)
>> DISPLAY=:0.1: Crappy little Acer AL1917W running at its native
>> 1440x900 (16:9) - Lacks a DVI port, so it's connected via a DVI-->VGA
>> adapter
>> DISPLAY=:0.2: Hitachi 42PD9500TA 42 Multi-System HDTV Plasma TV
>> connected via an S-Video port & a 1/8in audio-->RCA audio jack
>>
>> Note that the Hitachi HDTV lacks a VGA port (le sigh) but does have
>> two HDMI ports and multiple S-Video and composite out jacks. The
>> Hitachi will plainly support 720* resolutions, which are pretty much
>> the same as the native res of the Acer monitor. Running over the
>> S-Video jack, however, there's no way to feed it anything other than
>> 1024x768. This means that if I play a DVD or whatever through this
>> jack I've always got to have every media player I use explicitly set
>> to re-jigger the 16:9 content into whatever the ratio is to get it to
>> render as 16:9 at a 4:3 resolution. No massive quality loss/the
>> quality is still quite good, but it seems like there must be a cleaner
>> way to set this up, all the same:
>>
>> The monitor is effectively useless as a third monitor, due to its
>> distance from my primary and secondary displays. It would be much,
>> much better if I had a nice, neat projector-room style setup where the
>> Acer and the Hitachi show the same stuff, without having to give up
>> the other monitor. I'm perfectly willing to give up sound, which I'd
>> have to if I used a DVI-->HDMI adapter, as the HDMI adapters don't
>> have RCA audio-in jacks. My TV requires that you use HDMI as the sound
>> input on the HDMI video input sources, but I've got a decent stereo I
>> can jack into, too. No big loss.
>>
>> Is there anything I can do to make this setup work in such a way that
>> the smaller Acer display is a cloned image of the TV's screen without
>> having to run completely different X sessions? If not, is there a way
>> to do it without that caveat?
>>
>> Any suggestions?
>>
>> Thanks,
>> Sean Crago
>> Kathmandu
>>
>> PS: I'm hesitant to replace the relatively new 8600-series video card
>> at the moment/without a local buyer, but I'm perfectly willing to buy
>> DVI-->HDMI adapters or whatever if I thought they'd work. I've shopped
>> around for a DVI---->DVI&VGA splitter, but it seems like the only ones
>> on the market will drive one or the other, but not both
>> simultaneously. The VGA compatibility pins in DVI are apparently
>> disabled, at least in most cases, when the DVI pins are in use, again,
>> from what I've read - Haven't plunked down money to try to disprove
>> that, but it seems like a silly waste if I can't find evidence that
>> someone's gotten it working somehow.
>>
>> PSS: I can get mail/UPS/whatever forwarded here, so unless you're
>> proposing a >70lbs solution or one bigger than a small coffee-table,
>> it's not a problem to order it.
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>