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=== Nvidia 3D Vision 2 ===
 
=== Nvidia 3D Vision 2 ===
 
# '''3D Vision Pro''' is ''not'' what you want, this seems to be for projectors, and is expensive.
 
# '''3D Vision Pro''' is ''not'' what you want, this seems to be for projectors, and is expensive.
# Quality of Nvidia 3D Vision is better than that of Zalman
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# Quality of Nvidia 3D Vision is better than that of Zalman, because Zalman stereo means halved vertical resolution.
# Compatible monitors are mentioned at www.nvidia.com/object/3d-vision-displays.html but this website does not seem to be updated. There are 5 monitors (needing a separate emitter) at http://www.heise.de/preisvergleich/?cat=monlcd19wide&xf=3135_passiv#xf_top .
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# Compatible monitors are mentioned at www.nvidia.com/object/3d-vision-displays.html but this website does not seem to be updated.  
 
# The Nvidia 3D vision emitter that connects via USB only works on Windows, not Linux. Linux needs the DIN 3-pin connector which is only on the high end Quadro cards.
 
# The Nvidia 3D vision emitter that connects via USB only works on Windows, not Linux. Linux needs the DIN 3-pin connector which is only on the high end Quadro cards.
 
# The currently (2013+) best NVIDIA 3D Vision 2 solution on Linux is to buy one of the monitors with built-in emitter (we have the BenQ XL2420TX), and a cheap Quadro, e.g. (2013) the FX380 or (2015) K420. The latter has a Dual-Link DVI and a Displayport outlet, so can drive the stereo monitor, and an additional monitor. This solution avoids the USB/3-pin hassle altogether. See below for xorg.conf! GeForce cards (instead of Quadro) ''do not give Stereo'' on Linux.
 
# The currently (2013+) best NVIDIA 3D Vision 2 solution on Linux is to buy one of the monitors with built-in emitter (we have the BenQ XL2420TX), and a cheap Quadro, e.g. (2013) the FX380 or (2015) K420. The latter has a Dual-Link DVI and a Displayport outlet, so can drive the stereo monitor, and an additional monitor. This solution avoids the USB/3-pin hassle altogether. See below for xorg.conf! GeForce cards (instead of Quadro) ''do not give Stereo'' on Linux.
# www.nvidia.com/object/3d-vision-displays.html names monitors with built-in emitter. None of these are sold any more in Germany or the EU, it seems - the NVidia page has not changed for at least the last two years. But: As of March 24, 2015 http://www.heise.de/preisvergleich/?cat=monlcd19wide&xf=5848_3D-f%E4hig+(aktiv)#xf_top shows 11 3D-capable monitors with built-in emitter; among these ASUS VG248QE and VG287HE, Acer GN246HL and Predator XB240HAbpr and HS244HQbmii, 4 from BenQ, Philips 273G3DHSB and a Dell one. All of these have a resolution of 1920x1080, are 24-27" and cost between 229 and 551€.
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# www.nvidia.com/object/3d-vision-displays.html names monitors with built-in emitter. None of these are sold any more in Germany or the EU, it seems - the NVidia page has not changed for at least the last two years. But: As of March 24, 2015 http://www.heise.de/preisvergleich/?cat=monlcd19wide&xf=5848_3D-f%E4hig+(aktiv)#xf_top shows 11 3D-capable monitors listed as "3D-capable (active)". All of these have a resolution of 1920x1080, are 24-27" and cost between 229 and 551€. Unfortunately, one has to research for each model whether it ''really'' has a built-in emitter.
# cheap Quadro cards with dual-link DVI-D or DisplayPort work well. Quadro 380, 400, 420 and 600 have been reported to work on CCP4BB. Make sure the card can do dual-link DVI if your monitor has only DVI input. Any card (including the "Windows only" ones!) listed at http://www.nvidia.com/object/3d-vision-pro-requirements.html#Quadro should work if a) it can do dual-link DVI if the monitor has only DVI input, and b) if the monitor has built-in emitter. DisplayPort is fine with the BenQ XL2420TX.
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# cheap Quadro cards with dual-link DVI-D or DisplayPort work well. Make sure the card can do dual-link DVI if your monitor has only DVI input. Any card (including the "Windows only" ones!) listed at http://www.nvidia.com/object/3d-vision-pro-requirements.html#Quadro should work if a) it can do dual-link DVI if the monitor has only DVI input, and b) if the monitor has built-in emitter. DisplayPort is fine with the BenQ XL2420TX.
 
# specs of latest ("Maxwell") and previous ("Kepler") generation of Quadro cards are at http://www.nvidia.com/object/quadro-desktop-gpus.html . A comparison of all PCIexpress Quadro cards is at http://en.wikipedia.org/wiki/Nvidia_Quadro#PCI_Express . Latest (2014+) with prices are at http://www.heise.de/preisvergleich/?cat=gra16_512&asd=on&asuch=quadro&xf=3312_2014&sort=p . Currently (2015), the K620 is the entry system with the best price/performance ratio; in the middle range the K2200 still seems affordable.
 
# specs of latest ("Maxwell") and previous ("Kepler") generation of Quadro cards are at http://www.nvidia.com/object/quadro-desktop-gpus.html . A comparison of all PCIexpress Quadro cards is at http://en.wikipedia.org/wiki/Nvidia_Quadro#PCI_Express . Latest (2014+) with prices are at http://www.heise.de/preisvergleich/?cat=gra16_512&asd=on&asuch=quadro&xf=3312_2014&sort=p . Currently (2015), the K620 is the entry system with the best price/performance ratio; in the middle range the K2200 still seems affordable.
  
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