Sudo kextcache -m /System/Library/Caches//Startup/Extensions. # rebuild kext cache manually (could take a while) SSD TRIM, known as an Advanced Technology Attachment (ATA) command, tells an SSD which data blocks it can erase with the help of the operating system since they are no longer in use. An SSD has no idea what data is erased by the filesystem, but. # looks for "Apple" string in HD kext, changes it to a wildcard match for anything Cindori Software provides the Trim Enabler program that allows Apple users to use third-party SSDs and still have TRIM functionality. # Important: Add "kext-dev-mode=1" as Kernel Arguments or the computer won't boot. Yes, The effects of not having trim enabled will not be apparent until long use of the ssd. I remember 'hacking' the HD SC Setup of System 7 so it will format any SCSI harddrive instead of only the supported ones. Apple has a long history of locking stuff out of their system(s). Sudo cp /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage.original trim-enabler-and-yosemite/ I have.and I addressed that.I don. I couldn't agree more Apple should give up this silly restriction. # Yosemite: for recovering from stop sign on boot screen, please see When using the latest versions of Sensei or Trim Enabler, this is no longer needed. # Looks for "Apple" string in HD kext, changes it to a wildcard match for anything # Update July 2014: no longer offline, see # Original version by Grant Parnell is offline () # just run "sudo trimforce enable" to activate the trim support from now on! # UPDATE for 10.10.4: please consider this patch obsolete, as apple provides a tool called "trimforce" to enable trim support for 3rd party SSDs This is without Trim Enabler on, correct.
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