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Trim doesnt work on samsung 830 and trim enabler 322 and chameleon not working to set it ON !!!! DO NOT UNDERSTAND why apple it's soooo .......not allowing trim, even microsoft doesnt make any diference whatever ssd you own but maybe samsung ssd it's a bad choice for APPLE!!!! Please if anyone knows how to set on trim an 10.9.3 let us know !!!!
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Same here. Certainly worth noting that 10.9.3 disables Trim Enabler, though. Not something I'd have thought to check myself.Works for me. Installing 10.9.3 disabled it. I ran Trim enabler, re-enabled it, and rebooted. Still active.
I have an EVO 840 Samsung SSD.
What is TRIM and how do I turn it on?
It is an OS function that tells a flash storage device like an SSD which cells are cleared and ready to be written to again. You can read about it here.
It is on by default with Apple flash storage devices, but with aftermarket flash storage it is not turned on by default. There is a hack that modifies a system kext file that enables TRIM on aftermarket drives. Many people use this app to enable the hack.