http://www.wkblog.com/tivo/2006/06/homeplug-85mbps-adapters-now-available/ The blog about the TiVo SuperStore WeaKnees Wed, 01 Feb 2012 18:30:25 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.wkblog.com/tivo/2006/06/homeplug-85mbps-adapters-now-available/comment-page-1/#comment-107 Mike Fri, 23 Jun 2006 04:55:50 +0000 http://69.89.31.222/~wkblogco/?p=80#comment-107 These new adapters might be faster than the previous generation, but data throughput won't be any higher for these two reasons. First, if the TiVo has a USB connection, it is USB 1.1, which is limited to 12Mbps. Second, even if your network adapters and router support Fast Ethernet at 100Mbps, the TiVo negotiates a standard Ethernet connection speed of 10Mbps. Also, the rated speeds are for full duplex operation, with data flowing in both directions at the same time. When transferring a file to the PC, it will go across at half the full duplex rate, or 5Mbps. Lastly, these are absolute design maximums, and real-world throughput will always be less. You can verify the numbers yourself using the performance measurement tools in the WinXP Task Manager. These new adapters might be faster than the previous generation, but data throughput won’t be any higher for these two reasons. First, if the TiVo has a USB connection, it is USB 1.1, which is limited to 12Mbps. Second, even if your network adapters and router support Fast Ethernet at 100Mbps, the TiVo negotiates a standard Ethernet connection speed of 10Mbps. Also, the rated speeds are for full duplex operation, with data flowing in both directions at the same time. When transferring a file to the PC, it will go across at half the full duplex rate, or 5Mbps. Lastly, these are absolute design maximums, and real-world throughput will always be less. You can verify the numbers yourself using the performance measurement tools in the WinXP Task Manager.

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