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#1
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what hardware is needed for multiple-screen displays
I just saw an ad for an ASUS monitor showing 9 monitors in a 3x3 matrix
being used to show a picture. It got me curious. Other than the monitors themselves, what hardware would be needed to do that? For example, would something like that need 9 graphics cards, one for each display? Instead, is that done using a specialized card? Does it require custom software? Does it require high-end CPUs and/or massive amounts of RAM? Or are there specially made electronic devices produced to do that? Thanks John |
#2
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what hardware is needed for multiple-screen displays
On Mon, 15 Apr 2019 15:04:16 -0000 (UTC), "Yes"
wrote: I just saw an ad for an ASUS monitor showing 9 monitors in a 3x3 matrix being used to show a picture. It got me curious. Other than the monitors themselves, what hardware would be needed to do that? For example, would something like that need 9 graphics cards, one for each display? Instead, is that done using a specialized card? Does it require custom software? Does it require high-end CPUs and/or massive amounts of RAM? Or are there specially made electronic devices produced to do that? I don't know about running nine screens but I run four on my PC, using two off each of two graphics cards. So far as the OS is concerned, there is just one screen. The drivers sort it all out. |
#3
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what hardware is needed for multiple-screen displays
Yes wrote:
I just saw an ad for an ASUS monitor showing 9 monitors in a 3x3 matrix being used to show a picture. It got me curious. Other than the monitors themselves, what hardware would be needed to do that? For example, would something like that need 9 graphics cards, one for each display? Instead, is that done using a specialized card? Does it require custom software? Does it require high-end CPUs and/or massive amounts of RAM? Or are there specially made electronic devices produced to do that? Thanks John Usually video cards have overall resolution limits. The dimensions of each screen would matter. One video card could not drive nine 4K monitors for example. That would be too much. The best video card, has six connectors on it. Features such as Eyefinity, allow arranging the two "heads" of the video card, as two strips of three monitors. (NVidia has a feature like this too, but I don't know if the max config is also 2x3 like this.) +-------+-------+-------+ | | | | six outputs, two heads +-------+-------+-------+ +-------+-------+-------+ | | | | +-------+-------+-------+ If you split the bottom three signals with Matrox adapters, you might be able to get to nine that way. Note that you have to research the resolution limits and supported situations quite carefully when using these. They're not a "free for all" device, and planning is required. https://www.matrox.com/graphics/en/p...go/digital_se/ I would think the Eyefinity idea works the best, if the top and bottom 1x3 are the same. But the second 1x3 may be able to have overall dimensions different than the first. +-------+-------+-------+ | | | | six outputs, two heads +-------+-------+-------+ +-------+-------+-------+ Then split each rectangle | | | | into two vertical, with | _ _ _ | _ _ _ | _ _ _ | a matrox splitter | | | | | | | | +-------+-------+-------+ The main advantage of using a single video card, is maybe it won't "tear" quite as bad. I've tested a couple low end cards here once, and they don't update at quite the same split second, spoiling the effect. YMMV. There is an entire website, filled with pictures of customer configurations involving multiple monitors. This one handles sixteen monitors, powered via four video cards. It's possible the video card has two GPUs on it. http://www.realtimesoft.com/multimon...lse&m on=desc https://www.techpowerup.com/gpu-spec...-nvs-440.c1463 "Quadro NVS 440 combines two graphics processors to increase performance." Paul |
#4
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what hardware is needed for multiple-screen displays
Yes wrote:
I just saw an ad for an ASUS monitor showing 9 monitors in a 3x3 matrix being used to show a picture. It got me curious. Other than the monitors themselves, what hardware would be needed to do that? For example, would something like that need 9 graphics cards, one for each display? Instead, is that done using a specialized card? Does it require custom software? Does it require high-end CPUs and/or massive amounts of RAM? Or are there specially made electronic devices produced to do that? You could use hardware to present multiple displays (along with software to split one monitor into multiple virtual monitors). How many "monitors" a video card supports depends on its driver along with the the software. The only reason to use hardware is to keep video performance high for each monitor. If you just want to see multiple virtual monitors on one real monitor and use one video card to support them all, just get software, like Dexpot (www.dexpot.de) which is free for personal use. I've used Dexpot in the past as a virtual monitor manager. My single real monitor was not large enough (23") to be showing multiple virtual monitors; else, each would be rather tiny. I used it to toggle between different virtual desktops. I'd have one for web surfing, another for coding, and so one to group together similar program windows. As I recall, you could have up to 9 virtual desktops, but I only configured for 4 and even then usually only used 2 or 3. This is a hardware newsgroup. You never mentioned your operating system. Dexpot is a Windows program supporting Windows XP, Vista, 7, and 8.x. Windows 10 is not listed at their site but I suspect it won't have any problems on that OS. If you are using Windows 10, that OS already supports virtualized desktops. Might be why they don't bother listing Windows 10 as supported. Very likely Dexpot supports Windows 10 (but likely with far more features) but virtual desktops is already in Windows. This is like Microsoft bundling Paint, Wordpad, Defender, and other apps in their OS but 3rd party solutions are far better. See: https://www.howtogeek.com/197625/how...in-windows-10/ https://www.youtube.com/watch?v=fc8NrWUMD2c |
#5
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Thanks for the info what hardware is needed for multiple-screen displays
Thank all of you for the responses. I asked those questions because,
as I said originally, it piqued my curiousity and i almost always get fascinated with wondering how they do that. At some time in the future, I might add aa second monitor to my gear, but that's not likely to happen any time soon. P.S.: @ VanguardLH, I use Windows 8.1 Pro 64-bit and am starting to play around with virtual machines, pretty much out of curiosity instead of for any real need. At the moment, I have successfully used VirtualBox 6 to make VMs for Mint and Ubuntu 18.10 but am stuck trying to make an android VM. I know VirtualBox doesn't support android, but it's been interesting to see the YouTube videos showing that some people have successfully made an android VM in VirtualBox. Just requires more experimentation on my part. John |
#6
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Thanks for the info what hardware is needed for multiple-screen displays
Yes wrote:
Thank all of you for the responses. I asked those questions because, as I said originally, it piqued my curiousity and i almost always get fascinated with wondering how they do that. At some time in the future, I might add aa second monitor to my gear, but that's not likely to happen any time soon. P.S.: @ VanguardLH, I use Windows 8.1 Pro 64-bit and am starting to play around with virtual machines, pretty much out of curiosity instead of for any real need. At the moment, I have successfully used VirtualBox 6 to make VMs for Mint and Ubuntu 18.10 but am stuck trying to make an android VM. I know VirtualBox doesn't support android, but it's been interesting to see the YouTube videos showing that some people have successfully made an android VM in VirtualBox. Just requires more experimentation on my part. John Multiple virtual monitors or virtual desktops (on the same monitor) have nothing to do with virtual machines (running an *OS* in an isolated sandbox). I suppose I could do multiple virtual monitors inside a virtual machine but that seems redundant and definitely a waste of resources, especially memory, just to have virtual desktops. A virtual machine is running an isolated guest OS atop a parent OS. Virtual monitors aka virtual desktops are running within the *same* OS. https://en.wikipedia.org/wiki/Virtual_desktop https://en.wikipedia.org/wiki/Virtual_machine |
#7
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what hardware is needed for multiple-screen displays
On Mon, 15 Apr 2019 15:04:16 -0000 (UTC), "Yes"
wrote: I just saw an ad for an ASUS monitor showing 9 monitors in a 3x3 matrix being used to show a picture. It got me curious. Other than the monitors themselves, what hardware would be needed to do that? For example, would something like that need 9 graphics cards, one for each display? Instead, is that done using a specialized card? Does it require custom software? Does it require high-end CPUs and/or massive amounts of RAM? Or are there specially made electronic devices produced to do that? Thanks Whatever it takes. Day trading is one. How financial instruments are analyzed, or whence, withal, realtime feeds and network updates come from, as they may involve various networking and contiguous computer hardware support. A single dedicated monitor is one ideally suited for specialized software/hardware customization. I believe, unless I'm mistaken, the largest such monitor, among specialization purposes of course, is the size of a double-decker bus. They're an analogy often associated with London, stacked buses, to transport twice as many people, twice as high. I didn't note to inquire for a set purchase price. And, I don't have handy a lower limit on a day-trader exchange challenge. The amount of money it takes to "challenge", or walk through the door, plunk down funds, and use in-house equipment over a world-exchange and available global stock facilities. (Day trading, otherwise, requires certified training for specialist licensing.) Every second, or millisecond, apparently counts. Shall we initially offer $500,000/US for an appropriate figure to challenge advantageous facilities in select localities equipped appropriate means? |
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