{"id":2949,"date":"2014-08-14T19:17:48","date_gmt":"2014-08-15T00:17:48","guid":{"rendered":"http:\/\/www.summet.com\/blog\/?p=2949"},"modified":"2020-11-27T19:51:13","modified_gmt":"2020-11-28T00:51:13","slug":"thinkpad-x31-pae-cpu-options-with-newer-linux-kernels","status":"publish","type":"post","link":"https:\/\/www.summet.com\/blog\/2014\/08\/14\/thinkpad-x31-pae-cpu-options-with-newer-linux-kernels\/","title":{"rendered":"Thinkpad X31 &#8211; PAE cpu options with newer Linux Kernels"},"content":{"rendered":"<p>The Pentium M CPU that comes on IBM Thinkpad X31 laptops (circa 2003&#8230;) claims to not support PAE (<a href=\"http:\/\/en.wikipedia.org\/wiki\/Physical_Address_Extension\">Physical Address Extension<\/a> ). Luckily however it DOES support PAE if your kernel forces it, which you can do by following the instructions here:<\/p>\n<p><a href=\"https:\/\/help.ubuntu.com\/community\/PAE\">https:\/\/help.ubuntu.com\/community\/PAE<\/a><\/p>\n<p>They explain: &#8220;A number of older Pentium M processors produced around 2003-4 (the Banias family) do not display the PAE flag, and hence a normal installation fails. However, these processors are in fact able to run the latest (and PAE-demanding) kernels if only the installation process is modified a little. The problem is not missing PAE, it&#8217;s about the processor not displaying its full capabilities.&#8221;<\/p>\n<p>I can just imagine an IBM or Intel engineering thinking&#8230;it&#8217;ll be 10 years before operating systems require a PAE extension&#8230;none of these chips will still be running then&#8230;lets call it a night and not bother displaying the PAE flag&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Pentium M CPU that comes on IBM Thinkpad X31 laptops (circa 2003&#8230;) claims to not support PAE (Physical Address Extension ). Luckily however it DOES support PAE if your kernel forces it, which you can do by following the &hellip; <a href=\"https:\/\/www.summet.com\/blog\/2014\/08\/14\/thinkpad-x31-pae-cpu-options-with-newer-linux-kernels\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2949","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/2949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/comments?post=2949"}],"version-history":[{"count":1,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/2949\/revisions"}],"predecessor-version":[{"id":5190,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/2949\/revisions\/5190"}],"wp:attachment":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/media?parent=2949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/categories?post=2949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/tags?post=2949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}