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U170 5-User Environment Example
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In our 5-user example configuration, we used an off the shelf Lenovo 3000 H Series
that sold
for about $300. We connected four U170 devices, 5 LCD monitors, and Windows Server 2003
Standard Edition as the OS. Many PCs today have eight or more USB ports. There is no need for
a USB hub if there are enough ports available. We connected the four U170 devices directly to
four USB ports in the back as shown in the picture below.
To demonstrate the performance, we started a 720x480 video in full screen mode on each U170
devices. Video decoding is a very processor, client and USB bus intensive task and therefore a
good test to determine if all these attributes of the host system are working well. Once we
launched the four video streams, we monitored CPU and memory usage from the host with
Windows Task Manager. A 720 x 480 video clip typically represents a widescreen DVD quality
image.
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