In fact, I noticed it recreated again after only several minutes of idle time. Deleting it (via sudo, file located in /private/var/vm/, or /var/vm/), ls check shows file is gone, verifying (via pmset) that hibernate is disabled yet the sleepimage file reappeared on the next boot/restart - even if the mac had not been in sleep at all. Regardless of hibernate mode being disabled and deleting the sleepimage file, it will later reappear. Just noticed this recently on a 2012 Mini w/OS X Mtn Lion, but hadn't checked earlier for the sleepimage file 'reappearing' after deleting it. I enabled Trim manually on my Intel 520 SSD in OS X 10.9.3.) (Original request asked about Sandforce SSD use, but any are welcome. manually, and later linked to an earlier Trim Enabler (only) utility at but Chameleon also includes other features we used to do via terminal.) There's also a report here from an Intel 520 (SF) owner using the earlier () Trim-Enabler. (Older pages here years ago had terminal commands to enable Trim, disable hibernate mode, delete sleepimage file, disable SMS, etc. This page is a catchall of reader feedback from a request for feedback (esp for Sandforce SSD users) Chameleon SSD Optimizer () Utility to enable TRIM on non-Apple ID SSDs and more. 2015 ( Notes on OS X 10.10.4/Disk Sensei/Trimforce) (Or enable OS X TRIM via command line without 3rd party apps) Mac user reports on Chameleon SSD Optimizer, OS X Trim Enabler, & Disk Sensei Mac Upgrades/Repairs/Mods | Storage Related | Video Related | Audio/Home Theater Related | OS Updates/Tips/Wi-Fi Related If you have been noticing your drive feeling particularly slow these days, you might want to give this a try to see if it helps.Enabling SSD TRIM in OS X using Trimforce, Chameleon SSD Optimizer, OS X Trim Enabler, Disk Sensi or Manually Some recommended you reboot into safe mode after enabling TRIM support, and running a drive health check, as that supposedly honors TRIM support and tells the drive to start doing its thing for previously deleted files right away. Reply with y to the question, and hit enter.Īfter your computer has rebooted you can confirm TRIM support is fully enabled by checking System Report again. Make sure you are ready for your machine to immediately want to reboot after this command. To enable trim support, simply open up a Terminal, and type in the following command. But I have not tested this, so please do let me know if this is even possible if that's something you end up trying. From what I can tell you cannot pick and choose which drives you want to enable support for, though you might be able to achieve that if you desire by temporarily unplugging whichever SSD you don't want to enable TRIM support for before running the command. Once run, this will enable TRIM support on all SSD drives installed. Enable TRIM supportĮnabling TRIM support is just one single command. It simply refers to whether or not macOS currently has TRIM support enabled for this particular drive. Note that in this context, "support" does not mean whether or not your drive actually supports it. Select your SSD and look through its details until you find TRIM Support. To check what the current status is of TRIM support, head on over to System Report (Apple menu » About This Mac » System Report.) and head for the SATA/SATA Express or NVMExpress section, depending on what kind of drive you have installed. While it can be ok to be a bit brave, if an SSD is known to not support TRIM support (or not well), it's probably best to avoid enabling it. And, so long as you keep a proper backup, in the worst case scenario of your particular SSD not supporting TRIM properly, you can revert back easily.ĭo note though, that it will be good for you to check online first to see if anyone else has used the SSD you have with TRIM enabled. My guess is that if you're running a Hackintosh, you're probably used to dealing with scary sounding messages. Fortunately though, enabling TRIM support is easy enough, so long as you're ok saying yes to a scary sounding message. This is done because not all manufacturers follow the standards, and often just test for compatibility with Windows. As you may or may not know, TRIM support is not enabled by default on macOS on any SSD not provided by Apple directly.
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