Open 10.10.3 on SSD trim-Black Apple Road

No research on SSDs, colleagues suggest that Apple on the unofficial SSD does not open trim, the Internet is a, to trim unknown.

First, Trim is going on: http://bbs.feng.com/read-htm-tid-1870887.html

Second, open the unofficial SSD trim:http://bbs.feng.com/read-htm-tid-8997023.html

Its method is very simple, according to gourd painting scoop can.

sudo nvram boot-args="kext-dev-mode=1"Restart 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.baksudo Perl-pi-e's|\x00\x41\x50\x50\x4c\x45\x20\x53\x53\x44\x00|\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00|'/system/library/extensions/ioahcifamily.kext/contents/plugins/ioahciblockstorage.kext/contents/macos/Ioahciblockstoragesudo Touch/system/library/Extensionssudo Kextcache-prelinked-kernel/system/library/caches/com.apple.kext.caches/startup/kernelcache-k/System/Library/Kernels/ kernel/system/library/Extensions Restart

Open 10.10.3 on SSD trim-Black Apple Road