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We then complete the first round of benchmarks, which consists of running AJA System Test and DiskTester twice without TRIM. This resets the SSD to the state it shipped in, yielding the best possible performance. First, we perform a secure erase, which tells the controller to clear all blocks on the drive. Add manually the KextPatch in config.We’re sending the Samsung 840 Pro SSD though two rounds of benchmarks. This is valid only if you use Clover bootloader. Sudo kextcache -prelinked-kernel /System/Library/Caches//Startup/kernelcache -K /System/Library/Kernels/kernel /System/Library/Extensions 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.bak Launch this in terminal (are 4 commands): Sudo touch /System/Library/Extensions & sudo kextcache -prelinked-kernel /System/Library/Caches//Startup/kernelcache -K /System/Library/Kernels/kernel /System/Library/ExtensionsĢnd Method (For real Mac or Chameleon users) Use 2nd or 4th instead)Ĭopy the kext, delete kernel cache in /System/Library/Caches//Startup/ and launch the following command in terminal: Important: Add "kext-dev-mode=1" as Kernel Arguments or the computer won't boot.ġst Method (Obsolete. In toto there are 4 methods to enable TRIM (use only one): Some user have trouble after copying the kext. This is the IOAHCIFamily from Yosemite 10.10 patched to work with all SSD. Update x1: Reported that works also in DP2.