The non-PAE kernel is a version of the 32-bit linux kernel that does not use 48-bit addressing, limiting memory size. This kernel is often used on older systems that cannot use PAE and refuse to boot with a regular kernel.

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What upgrade options for non-PAE machine?

The last time I upgraded this machine it failed because I have a non-PAE processor. I was forced to reinstall the last, old version of Xubuntu. Now I fear I'm stuck with a discontinued distribution. ...
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Ubuntu Server on a 32- bit Non PAE Machine

I would like to install any version of Ubuntu Server on a fairly old machine to both test out Ubuntu Server and have a bit of fun. The problem I have encountered is that the machine does not have PAE ...
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errors at bootup with miniiso

I have an old dell celeron inspiron 8600 and installed miniiso install. It took forever to install and the when the desktop finally did show up after logging in, the sidebar did not have any icons on ...
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error installing linux-image-3.11.0-19-generic: “kernel does not support non-PAE CPU” although CPU has PAE

I am running Ubuntu 12.04 Kernel 3.11.0-15-generic on my IBM T42 which has a Pentium M 1,7GHz Processor which has 32bit physical adress extension (PAE). Now I cannot install latest security updates ...