I have: WRT54G v.6 Router with an Intel 5300AGN card, Vista 64bit, Sager NP5796
The Problem: The problem I've been having is a "semaphore timeout period has expired" whenever I've transferred large files over my wireless network (and only wireless - everything works fine if I wire into the linksys) to a server I've got attached. While searching the usual sites I've noticed that other people have had similar problems with Vista, wireless connections and large files, but I haven't seen a solution till now.
Changing the intel "Throughput Enhancement" of my card to 'enabled', I seem to be able to transfer large files over wireless just fine now *crosses fingers*. It seems to agree with Intel's suggestion that it helps when uploading large files.
The Question: What does this Throughput Enhancement do in a mixed network setting (b/g - intel suggests *not* enabling it in such a case) and how will it effect other people on my wireless network?
Thanks for any input.
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Throughput enhancement means putting your network card to the router over others with brute force..
There's a ~FAQ at the bottom of this page. -
Hey. Thanks for the response. I had seen that page and it was exactly what is sparking my question. One sentence that concerns me is "When the Intel Throughput Enhancement is enabled, the adapter does not allow for other clients to have equal access to the available wireless bandwidth." What exactly does this mean? If I turn it on for my computer, will other computers on my network get frequent disconnects? Will they be unable to connect to the network sometimes? What will the results be?
Also, why exactly "should <it> be disabled in mixed-mode", as that page suggests?
Any more help is greatly appreciated! -
Think of it this way, a normal router without any preference for a particular network client, is like a four-way intersection with stop signs at each roadway that enters the intersection. Everyone has to stop and wait for the others who got to the stop signs first to go through.
With something like what you've been describing enabled, the router becomes more like the on-ramp of a highway, with your connection being the highway, and everyone else's connection being an on-ramp. In that configuration, everyone in the on-ramp must stop and wait until there's an opening in the traffic flow on the highway, and no-one on the highway is required to stop or even slow down in order to accomodate someone trying to enter from the on-ramp.
Is that of any help?
Intel Throughput Enhancement and Semaphore Timeouts
Discussion in 'Networking and Wireless' started by jkiller2, Jul 7, 2009.