1- What processor did you use ? (Is it overclocked or not ? If it's @ ..Ghz ?)
Original build CPU: AMD Phenom II 940BE overclocked to 3.8ghz
Current build CPU: Intel i7 930 overclocked to 4ghz
2- What Motherboard did you use ?
Original build mobo: Foxconn Destroyer AM2+
Current build mobo: EVGA Classified 4-Way E762
3- What GPUs did you use ? (Is it overclocked or not ? If it's @ ..Ghz ?)
Original build video: Tri-SLI EVGA GTX260 and a fouth EVGA GTX460 for PhysX/CUDA. Used Matrox TH2G on this setup.
Current Build video: Tri-SLI EVGA GTX470 and a fourth card EVGA GTX465 for PhysX/CUDA. Used both Matrox TH2G and NVIDIA Surround on this setup.
and for this part did you have any cpu bottleneck problems ? And if you can post some screenshots while running Crysis, Metro, Dirt2, Black Ops with FRAPS or something to see the FPS Benchmarks
No notable CPU bottlenecking. On the GPU side of things more video ram the better. Screenshots are available at http://nthusim.com/setup/bhawthorne-triple-circular-projection
Videos are available at http://www.youtube.com/user/BHawthorne72
4- What about the RAM ?
Original build memory: 8GB of Kingston generic DDR2
Current build memory: 6GB of G.Skill Trident DDR3-2000
5- What about the temperatures of: CPU - NB - GPU ?
I don't have those figures readily available.
The Software Part:
Is there a free version of NTHUSIM+ or SOL7 ? or I must buy one of them ?
NTHUSIM Standard and NTHUSIM Plus will work in time limited 10 minute evaluation mode untill you purchase it. That'll allow you unlimited access and use of it to evaluate it and refine your build before purchase. It just requires that you restart the utility once every 10 minutes to restart the demo timer again.
The Screen Part:
What is the length and width of this massive screen ? What about the Inches ? diagonals ?
Diagnal measurements are largely irrelevant in circular screens. The measurements of importance are the projection height, projection linear width and the radius of the screen. Also the throw distance of the projectors are of importance.
I am currently using the "AMD Tech Day" screen on my personal setup. It is detailed in the comments within the following link: http://nthusim.com/setup/amd-tech-day
Which material did you use for this white screen and how did you get the perfect curved screen ?
I have purchased bulk screen material by the linear foot from ebay sources for previous builds. My first screen required 24 linear foot of raw canvas and the AMD screen required 22 linear foot of PVC/fiberglass screen material from ebay. It used a 60" projection height. I wouldn't use the term perfect in the context of these builds. Think of them more as proof of concept and works in progress. This is more of a prototype than something perfectly refined. I constantly find little things to change and improve through regular use.
The Projectors Part:
What is the minimum commercial HD 1080p Projector on the market that can do this build ?
1080p does not have very many cost effective options for short throw. My expertise is limited to mostly commenting on what is out there for 720p or 1024x768 projectors. Either way you go the lens throw needs to be .8:1 or less or things become problematic. The problem is hardly anyone makes 1080p short throw that I know about. 1080p use is really outside my scope of knowledge at the moment.
And What is the exact angle to see the perfect hole screen ? - and its distance from the screen ?
Depends upon your intent. Movie watching, racing/flight simulation, generic gaming? With movies I like to have the seating a lot further back from the screen than I have when I game. In simulation games I sit at the center point of the circular radius of the screen so I get full immersion FOV. In generic games I sit one or two feet futher back so I can watch the whole screen at once.
The room part:
What is the length and width of this room ? and should I paint it in black to see a perfect screen ?
That particular room is 13x20 foot. That room is larger than what is needed to do a build though. You could do a build in a 12x8 room just as easily. The flat black paint was a personal preference to cut out stray light and make the screen the focus of the room with no destractions. It's purely personal preference and not any sort of requirement.
I would be very thankful if you answered these question
and thank you for your effort
No problem. Hopefully these answers help more people be interested in this sort of build.
