{"id":26,"date":"2012-10-02T08:44:00","date_gmt":"2012-10-02T08:44:00","guid":{"rendered":"https:\/\/robertrath.com\/gadgetzone\/archives\/26-need-more-ram.html"},"modified":"2012-10-02T08:44:00","modified_gmt":"2012-10-02T08:44:00","slug":"need-more-ram","status":"publish","type":"post","link":"https:\/\/robertrath.com\/gadgetzone\/archives\/26-need-more-ram.html","title":{"rendered":"Need More RAM"},"content":{"rendered":"<!-- s9ymdb:9 --><img loading=\"lazy\" decoding=\"async\" class=\"serendipity_image_left\" width=\"115\" height=\"128\" src=\"\/gadgetzone\/uploads\/Images\/raspberry_gears.png\" alt=\"\" \/> Today I discovered my Pi had gone off-line! No WEB, no SSH. I am not sure what happened but a reboot brought it back to life again.<br \/>\n<br \/>\nSo while it had my attention I decided a few tweaks were in order.<br \/>\n<br \/>\nTweak 1. More RAM<br \/>\n<br \/>\nDuring general operations I had previously noticed MySQL had grabbed a substantial chunk of virtual memory and on a NAND based system this is not desirable. I am not sure how the memory was being used but seeing I am not using HDMI video I could reconfigure the Pi to use less video memory and give more back to user space applications.<br \/>\n<br \/>\nIn my case I copied &#8216;\/boot\/arm240_start.elf&#8217; to &#8216;\/start.elf&#8217; which immediately gave me back a much needed extra 48M of RAM.<br \/>\n<br \/>\nTweak 2. Bump Up The Speed<br \/>\n<br \/>\nI edited the &#8216;\/boot\/config.txt&#8217; file to enable CPU overclocking beginning at 800Mhz initially to see how that goes.<br \/>\n<br \/>\n<blockquote>#uncomment to overclock the arm. 700 MHz is the default.<br \/>\narm_freq=800<br \/>\n<\/blockquote><br \/>\n<br \/>\nI like the raspberry coloured gear graphics I found so I may use this for all general configuration tweaking posts.<br \/>\n<br \/>\n<br \/>\n&#8230; Robert<br \/>\n<br \/>\n<br \/>\n","protected":false},"excerpt":{"rendered":"<p>Today I discovered my Pi had gone off-line! No WEB, no SSH. I am not sure what happened but a reboot brought it back to life again. So while it had my attention I decided a few tweaks were in order. Tweak 1. More RAM During general operations I had previously noticed MySQL had grabbed &#8230; <a title=\"Need More RAM\" class=\"read-more\" href=\"https:\/\/robertrath.com\/gadgetzone\/archives\/26-need-more-ram.html\" aria-label=\"Read more about Need More RAM\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":0,"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"wp:attachment":[{"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robertrath.com\/gadgetzone\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}