That the extension is replaced in the update (but it may not be), thenĪ) Applying this patch does NOTHING else other than enable TRIM forģrd party SSD drives. Recovery HD) c) Reinstall Lion d) Wait it out till 10.7.1 and hope b) Attempt to copy and replace theĮxtension from the Recovery partition (Open up Disk Utility and Mount If you have already used the other TRIM Enabler, you can do theįollowing: a) Attempt to copy and replace the extension from another You WILL need to re-apply this patch after each major update of OS X.Ĭredit where credits due, unlike the other TRIM Enabler, I originallyįound this on the InsanelyMac forums by digital_dreamerĪs a note, the MD5 checksums for the original and patched file on This patchīypasses the restriction put in place by Apple to restrict TRIM Not support TRIM …and therefore this patch won’t help you. Remember, if you have an older generation SSD, the hardware itself may The screen you should now see “TRIM Support: Yes” instead of “No”. Click on your SSD Drive and in the lower half of In the list on the left,Ĭhoose “Serial-ATA”. To check if it worked, open up About This Mac, click the “More Info…”īutton then the “System Report” button. Original file is saved in the same directory as the original file. Restriction of only allowing Apple branded SSDs.
System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage So, here’s the proper way to enable TRIM support. Apparently, the next version of TRIM Enabler willĬorrectly patch the file, instead of replacing it, but that hasn’t Trolling and spreading fear (even though I offered the alternative I To), via his blog’s commenting system, I was told that I was simply That means anything from kernel panics, to disk I/Oĭelays…and the dreaded spinning beach ball.Īfter confronting the developer, Oskar Groth (who I refuse to link While TRIM does becomeĮnabled, the kernel extension you now have has the potential to causeĪ ton of problems. Kernel extension, with lots of dependencies, with an older one (from
That when you use TRIM Enabler with Lion, it replaces a critical Patching the file, it replaces an entire kernel extension. IĭO NOT USE TRIM ENABLER (VERSION 1.1 OR 1.2) TO ENABLE TRIM ON LION.Īfter a little inspection of this application, I found that instead of Now that Lion’s out, people want their SSD TRIM support back. TRIM Enabler for OS X Lion, Mountain Lion, Mavericks Including the Steps below (as there seems to be a certificate issue with that particular link) : Using the TRIM enabler app is not advised, but you can enable it via the terminal by following these steps. This is why you see a slight performance hit, but on an SSD this is negligible and is a lot faster than waiting for GC to work on demand after you've been using the SSD for a while. TRIM proactively zeros unused areas in the background.
GC only takes place in the background when idle, or when the OS needs to write to a previously used block. TRIM and Garbage Collection (GC) are not the same, and are both necessary to maintain performance after the drive has been used for a while.
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