On 5/6/21 4:24 PM, Russell Senior wrote:
Distributions have been dropping support for 32 bit CPUs, but the Atom
D525 is 64-bit according to
https://ark.intel.com/content/www/us/en/ark/products/49490/intel-atom-processor-d525-1m-cache-1-80-ghz.html

Yes, this is a 64 bit machine.

"Linux distributions now commonly use a PAE-enabled kernel as the
default, a trend that began in 2009.[25] As of 2012 many, including
Ubuntu (and derivatives like Xubuntu and Linux Mint),[26][27] Red Hat
Enterprise Linux 6.0,[28] and CentOS, have stopped distributing
non-PAE kernels, thus making PAE-supporting hardware mandatory. Linux
distributions that require PAE may refuse to boot on Pentium M family
processors because they do not show the PAE support flag in their
CPUID information (even though it is supported internally).[5]
However, this can be easily bypassed, at least in Ubuntu, with the
forcepae option.[29]

Distributions that still provide a non-PAE option, including Debian
(and derivatives like LMDE 2 (Linux Mint Debian Edition)[30]),
Slackware, and LXLE, typically do so with "i386", "i486", or "retro"
labels.[31][32] The article Lightweight Linux distribution does list
some others, allowing to install Linux onto old computers."   -- from
https://en.wikipedia.org/wiki/Physical_Address_Extension

PAE isn't likely your problem if you have a 64-bit CPU.

I used this Plop CD to do two installations in the past, and maybe a third time earlier for which I don't have installation notes. The first set of notes I have is from and Ubuntu 12.04 installation, done October 6, 2015. The second set of notes if from the currently installed Slackware 14.2 installation done March 3, 2019. My notes for the Slackware install indicate that I used the Plop CD to boot from a USB stick. So I know it worked in the past.

--
Regards,

Dick Steffens

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