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Enable SSD Trim support on Mac Lion & Mountain Lion. Original version by Grant Parnell.
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# Original version by Grant Parnell is offline (http://digitaldj.net/2011/07/21/trim-enabler-for-lion/) | |
# | |
# Looks for "Apple" string in HD kext, changes it to a wildcard match for anything | |
# | |
# Alternative to http://www.groths.org/trim-enabler-3-0-released/ | |
# Method behind this madness described: http://forums.macrumors.com/showthread.php?t=1409151&page=4 | |
# See discussion in comments here: https://www.macupdate.com/app/mac/39654/lion-tweaks | |
# And here: http://forums.macrumors.com/showthread.php?t=1410459 | |
# And here: http://forums.macrumors.com/showthread.php?t=1480302 | |
# | |
# This may totally break your system. No, really. | |
# Live dangerously | |
# | |
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 | |
# for Mountain Lion 10.8.3 - 10.8.4 | |
sudo perl -pi -e 's|(\x52\x6F\x74\x61\x74\x69\x6F\x6E\x61\x6C\x00{1,20})[^\x00]{9}(\x00{1,20}\x54)|$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage | |
# for Mountain Lion 10.8.1-10.8.2 and Lion 10.7.5 | |
#sudo perl -pi -e 's|(\x52\x6F\x74\x61\x74\x69\x6F\x6E\x61\x6C\x00{1,20})[^\x00]{9}(\x00{1,20}\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 | |
# for Mountain Lion 10.8.0 and Lion 10.7.4 BELOW | |
#sudo perl -pi -e 's|(\x52\x6F\x74\x61\x74\x69\x6F\x6E\x61\x6C\x00{1,20})[^\x00]{9}(\x00{1,20}\x51)|$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage | |
sudo touch /System/Library/Extensions/ | |
# now reboot! |
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