Enable TRIM in Mac OS X 10.6 Snow Leopard for Speed and Longer SSD Life

Lifehacker’s Whitson Gordon has an easy to follow how-to guide on “[Enablng] TRIM on Your Macs Solid-State Drive .” TRIM is a feature on many SSDs (solid state drives) that prolongs their service life while increasing performance.

I followed the guide for my 120 GB Intel SSD (model INTEL SSDSA2M120G2GC), and I immediately saw my MacBook 5,1 system boot time decrease from about a minute to approximately 30 seconds. In case there were any problems, I did backup my Mac OS settings (Groth’s program has a backup button that you can’t miss) before applying the patch.

The important thing to consider is that this only works on SSDs that support TRIM, and if you do successfully apply this to your system, you should run the cache cleaning commands in the article.

If things do not work correctly for you, don’t forget that you can boot into Safe Mode (hold down Shift while booting), rerun Oskar Groth’s Trim Enabler for Mac, restore your old, non-TRIM settings, and reboot normally.

Happy TRIMming!

I am a professor of English at the New York City College of Technology, CUNY whose teaching includes composition and technical communication, and research focuses on 20th/21st-century American culture, science fiction, neuroscience, and digital technology.

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4 comments on “Enable TRIM in Mac OS X 10.6 Snow Leopard for Speed and Longer SSD Life
  1. […] Enable TRIM in Mac OS X 10.6 Snow Leopard for Speed and Longer SSD Life […]

  2. Dick says:

    your links take us to support for trim on Lion OS or above – so for anyone looking for Trim support for Snow Leopard, forget it – the links won’t work for you.

  3. Hi Dick, Thanks for alerting me to the changes on the Trim Enabler website. If you go here (http://www.cindori.org/software/trimenabler/), look for the tiny print on the right side of the page: “Running 10.6.8? Download Trim Enabler 2.2 here.” I haven’t used this software in a long time, so best of luck to those who try it out! Best, Jason

  4. Hi all, Chameleon SSD Optimizer might also be worth checking out (https://www.macupdate.com/app/mac/43656/chameleon-ssd-optimizer). Best, Jason

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Who is Dynamic Subspace?

Dr. Jason W. Ellis shares his interdisciplinary research and pedagogy on DynamicSubspace.net. Its focus includes the exploration of science, technology, and cultural issues through science fiction and neuroscientific approaches. It includes vintage computing, LEGO, and other wonderful things, too.

He is an Assistant Professor of English at the New York City College of Technology, CUNY (City Tech) where he teaches college writing, technical communication, and science fiction.

He holds a Ph.D. in English from Kent State University, M.A. in Science Fiction Studies from the University of Liverpool, and B.S. in Science, Technology, and Culture from Georgia Tech.

He welcomes questions, comments, and inquiries for collaboration via email at jellis at citytech dot cuny dot edu or Twitter @dynamicsubspace.

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