Test system #1: Dell Netbook with 1.6GHz Intel Atom processor with 1GB RAM running Windows 7 Starter edition We ran the evaluation version of Passmark Performance Test 7.0 to get a quick assessment of each of the two test systems. In the case of our test Netbook from Dell we were not able to run more than 2 monitors and they both had to run at the same resolution (the smaller display’s resolution). Note: The ability to run each monitor at its own, separate, native resolution depends on the GPU of the system. The videos below demonstrate DisplayLink with multiple displays: This means that you can have a built-in display that runs at 1280x800, plus an external 19-inch display running at 1680x1050 and another 23-inch monitor running at 1920x1080 and so on. In most cases you can run up to 6 monitors and they each run at their individual native resolution. You simply add another DisplayLink enabled monitor or another monitor+DisplayLink adapter and it quickly gets detected and added to your workspace. One thing that makes DisplayLink so useful is the ability to drive multiple monitors through a single computer without the need for additional (or expensive) video cards. A high speed DisplayLink chip embedded in the monitor, docking station, projector or adapter decodes the compressed data back into video or graphics data.” Multiple displays Compressed data packets are sent over the standard USB 2.0 cable as quickly as possible to maintain a very interactive user experience. This adaptive compression technology automatically balances the compression methods based on the content, available CPU power, and USB bandwidth, providing the best possible USB graphics experience at any given moment. As DisplayLink explains it: “Updates to the screen are automatically detected and compressed using the DL2 (DL-1x0) or DL2+ (DL-1x5) compression technology. The only exchange of information is between the software that resides on the PC and the DisplayLink hardware on the monitor’s end. The video signal does not actually come from the host computer. Only that part of the image that need to be changed or re-drawn get compressed and communicated to the screen. That’s right, the entire image is not refreshed. It then figures out what part of the image on the screen needs to be updated. Through the DisplayLink software it uses available CPU and GPU resources to process information from the DisplayLink hardware located in the USB connected display (or display adapter). We took a DisplayLink DL-195 Graphics Adapter and an HP USB Docking Station (with DL-165 DisplayLink technology) for a testdrive… Currently DisplayLink technology can be found in number of USB docking stations (like this one from HP), UBS monitors, projectors and stand-alone adapters that allow you to connect any monitor with a VGA (15-pin) or DVI connector. The technology is also designed to act as a docking station, adding more USB, audio and network ports. Simply install the DisplayLink software, plug the new display into your USB port or hub and you are set. You can add up to 6 displays without installing another video card. It is designed to make adding additional monitors very easy as well. DisplayLink is a combination hardware/software technology that enables users to connect almost any kind of monitor to a PC via USB.
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