August 18th, 2004

Why all these articles about PAE and /3GB?

Apparently there is some unrest in comment-land with people who are sick of this whole /3GB series. Why have I been spending over two weeks exploring the consequences of the /3GB switch and exploding various common myths about it? Because too many people don’t understand what /3GB means but talk as if they do. As you saw yesterday, there are still lots of people out there that don’t understand the differences between physical memory, virtual memory, and virtual address space, and end up misconfiguring their computers or treating the switch as magic fairy dust. I’ve gotten tired of explaining it to misguided person after misguided person over the years, so I figured if I wrote up the explanation and debunkings once and for all, I won’t have to visit the topic ever again. You think you’re sick of /3GB? You’ve only had to deal with it for two weeks. Imagine having to explain the /3GB switch for six years!

At any rate, the 3GB series will draw to a close at the end of the week, assuming everything goes according to schedule. Then there will be other topics for you to be sick of.

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Raymond has been involved in the evolution of Windows for more than 30 years. In 2003, he began a Web site known as The Old New Thing which has grown in popularity far beyond his wildest imagination, a development which still gives him the heebie-jeebies. The Web site spawned a book, coincidentally also titled The Old New Thing (Addison Wesley 2007). He occasionally appears on the Windows Dev Docs Twitter account to tell stories which convey no useful information.

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