Thread: "the OpenBSD kernel will only recognize 3.1 gig of RAM"?
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Old 19th January 2015
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jggimi jggimi is offline
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For i386, the addressable physical memory limit is 3 GB. The 4th GB, if installed, is not addressable. It is my understanding that PAE is used on OpenBSD with virtual address spaces (per process), not physical addressing.

http://en.wikipedia.org/wiki/3_GB_barrier
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