Thoughtful, detailed coverage of the Mac, iPhone, and iPad, plus the best-selling Take Control ebooks.

 

 

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How Loud Are Your Mac's Fans?

When they get hot, Macs turn on various internal fans to keep components cool. The noise can be annoying, but just how loud is it? If you have an iOS device with a built-in microphone, you can download one of many free sound meter apps (search on decibel in the App Store) and see if you're subjecting your ears to a truly unreasonable noise level.

 
 

Paths to POPs

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Paths to POPs -- John Baxter <jwbaxter@olympus.net>, a colleague of ours out on the Olympic Peninsula, notes that POPs aren't the only way for providers to build networks. Similar to the UK solution we mention above, U.S. ISPs have another option:

You may also be calling an auto-forwarding telephone number, which has a certain number of "paths" (connections) to some remote collection of modems. These are charged (to the operator) on a per-path basis or otherwise. They can be used to good advantage where there isn't sufficient demand to justify setting up a POP as defined last week in NetBITS.

 

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