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LFS on Matrox TripleHead - Field Report
Hi all,

I thought I would share my experience with the Matrox TripleHead2Go box, which I received last Friday finally. Focus is not about screenshots and stuff, because I think this is nothing new and has been done by those (few) Parphelia users already, but more about frame rate issues.

I tested the box with RT, GPL, RBR, GTR, LFS, GTL, rF and nKP. Ahead of all others LFS is really brilliant at support for those ultra wide screen modes. It was the only sim, that considers the aspect ratio also for menus and overlays. Different from that in GTR, GTL, rF and nKP those elements suffer from horizontal deformation as they simply scale to the wide screen resolution. The correct 3D rendering, however, was supported by all of them, too. For RBR one need a camera hack utility to get the aspect ratio adjusted, which finally worked as well. For RT and GPL I didn't get it working properly.

The annoying thing about all this triple stuff really is, that ATI cards do not support them in 3D. Unfortunately I've got still an AGP system (P4 3GHz) and to my experience here especially with LFS is, that comparable Nvidia cards are signficantly slower than ATI ones. This is most significant when a lot of opponent cars appear in front. To give you some numbers (benchmark is 3 mins of a multiplayer replay of a UF1 race SO classic, cockpit view with lots of traffic around):

ATI Radeon x800, 1600x1200, AA/AF max: 38/50 (min/average)
NVidia Gainward Golden Sample 7800 GS, AA/AF off (!): 25/33

That Gainward card is praised as the fastest (and most expensive) thing you can get for AGP. Well, it worked quite well for those Dx9 focused 3D benchmarks but I was very disappointed about the poor performance with my favourite sims, so that is why I sent it back before I even got the Matrox box and used an old NVidia Fx 5200 instead for benchmarking:

2400x600, AA/AF off: 29/42
3840x1280, AA/AF off: 11/20

So in SVGA resolution LFS was playable quite well. For all other sims, however, the fps completely sucked, not worth to take any measurements there.

Definitely it's a great experience to race in front of a triple monitor setup, it felt like in cinema in front of a big screen. However, for me the step back in quality and performance was too large so I put the box back into the box and my triple monitor project on hold until I'll upgrade to a more powerful PCIe system in future.

Meanwhile I would be curious about results on faster configs than mine...
None of the ATI cards are supported?? I knew CrossFire isn't and SLI is and i thought singles are all supported. Bummer for ATI. Good thing i'm more of a green person (not that i will be buying this thing, i don't even have a single nice screen, let alone 2).
#3 - Doso
does it support different monitors?

eg a 24" dell and 2 x 19" lcds? or do they all have to be the same?
Quote from Doso :does it support different monitors?

As long as the monitors support the selectable modes, yes. Those are

640x480@60Hz
800x600@60Hz
1024x768@75Hz
1280x1024@60Hz

Obviously it's preferable to use LCDs due to the vertical refresh rate limitation...
They must have the same resolution. S. technically i think you could use lets say 2 17s for the sides and a 19 for the middle. Not sure though. Maybe they even have to be the SAME. Same model and stuff.
nope they just have to be vga monitors and have to support those resolutions no further limitations
Quote from lowgoods :

The annoying thing about all this triple stuff really is, that ATI cards do not support them in 3D. Unfortunately I've got still an AGP system (P4 3GHz) and to my experience here especially with LFS is, that comparable Nvidia cards are signficantly slower than ATI ones. This is most significant when a lot of opponent cars appear in front. To give you some numbers (benchmark is 3 mins of a multiplayer replay of a UF1 race SO classic, cockpit view with lots of traffic around):

ATI Radeon x800, 1600x1200, AA/AF max: 38/50 (min/average)
NVidia Gainward Golden Sample 7800 GS, AA/AF off (!): 25/33

That Gainward card is praised as the fastest (and most expensive) thing you can get for AGP. Well, it worked quite well for those Dx9 focused 3D benchmarks but I was very disappointed about the poor performance with my favourite sims, so that is why I sent it back before I even got the Matrox box and used an old NVidia Fx 5200 instead for benchmarking:

Hi,
thanks for such a nice report.I would wish to have more money for all that screens setups and Matrox TripleHead2Go box.

I also notice NVIDIA have a bit bad FPS in LFS against ATI.Its either LFS(I hardly bealive Scawen made such a optimization,but could be as he uses I think Radeon9800)or NVIDIA drivers sucks and are probably more and more optimized for DX9 new titles so big DX8 performance lost
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