MAC OS X 10.9.4 10.9.5 下用命令行开启 SSD trim 的方法 老方法失效
10.9.1-10.9.3 方法见:https://lvwenhan.com/MAC/391.html
本方法只适用于10.9.4、10.9.5:
1. 备份
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
2. 修改文件
sudo perl -p0777i -e 's@((?:Rotational|WakeKey\x0a)\x00{1,20})APPLE SSD(\x00{1,20}[QMT])@$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2@' \ /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage
3. 创建系统内核拓展文件夹
sudo touch /System/Library/Extensions/
4. 重启
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2015-07-04 17:08