I see a second occurrence of a very similar pattern a bit further in the file: "APPLE SSD TS". ![]() 0201720 0a79 0000 0000 0000 0000 0000 5400 6d69ĮDIT: I just realised this patch replaces the string "APPLE SSD" with as many null bytes. Enable Trim, monitor your disk health, optimize your performance, and benchmark your drive with Trim Enabler 4. To be able to enable TRIM on non-Apple SSD volumes with the trimforce command, the Mac will need a third party SSD, and to be running either OS X El Capitan 10.11.x or OS X Yosemite 10.10.4 or later versions, the command does not exist in prior releases of OS X (though earlier versions of OS X can use the third party TRIM Enabler utility). > md5sum /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/*ħ9f51aaf114f3dd8be5e409f6e3c13df /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorageĮf72c0c2bfb1074bf400d3405efdae10 /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage-backupĦ1 0 0xffffff7f813bb000 0x18000 0x18000 (2.6.0) Ĭontents comparison, does this look correct? > od -x IOAHCIBlockStorage-backup > /tmp/kk1 I think I've applied the correct patch from the list above but I cannot seem to find the indicator for my external Kingston SUV500MS120G (SSDNow family). Run these commands in succession to clear the system caches to enable OS X to pick up the modified driver: sudo kextcache -system-prelinked-kernelĮxactly where am I supposed to see the trim enabled indicator on OS X 10.9.5? This will be the last version of macOS supported by Trim Enabler 4. Simply flip the switch to Enable Trim, and the app will perform a migration to our latest Trim Enabler. Sudo perl -pi -e 's|(^\x00\x4D)|$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage With today’s OS X 10.10.4 update, however, Apple has added a command line utility that can be used to enable TRIM on third-party SSDs without having to download and install anything. If you have enabled Trim with a previous version, you will notice that Trim is listed as Disabled after updating to this new version. Modify the driver (choose only one of the following lines, based on the version): # 10.9.4
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