Apple reported over one million Lion sales on the first day of its release. Lion was released to manufacturing on July 1, 2011, followed by its final release via the Mac App Store on July 20, 2011. Other developer previews were subsequently released, with Lion Preview 4 (11A480b) being released at WWDC 2011. On February 24, 2011, the first developer's preview of Lion (11A390) was released to subscribers to the Apple Developer program. It brought many developments made in Apple's iOS, such as an easily navigable display of installed applications, to the Mac, and includes support for the Mac App Store, as introduced in Mac OS X 10.6 Snow Leopard version 10.6.6. In either case, easier third-party TRIM support is coming soon, a boon for Mac users interested in replacing their old iMac hard drives with SSDs for up to 5X speed increases.OS X Lion, also known as Mac OS X Lion, (version 10.7) is the eighth major release of macOS, Apple's desktop and server operating system for Mac computers.Ī preview of OS X 10.7 Lion was publicly shown at the "Back to the Mac" Apple Special Event on October 20, 2010. ![]() A reader tip suggested that Trimforce is also found in the beta version of OS X Yosemite 10.10.4, but the aforementioned report claims that it is not yet in the beta code. ![]() There is some debate as to whether the Trimforce tool will make it into a late version of Yosemite or arrive first in El Capitan. Cindori notes that “Apple has done a full 180 and opened up parts of their driver that allows you to access Trim functionality,” so updates will be coming soon to TRIM Enabler “to take advantage of the Apple sanctioned way of enabling Trim.” In El Capitan, Trimforce can apparently be enabled without permanently disabling Rootless security. TRIM keeps SSDs running quickly as they get filled up with and purged of content, automatically reallocating deleted file space to be used by new files.Īccording to the report, MacRumors forum users experimenting with El Capitan’s new Rootless security system have discovered a new built-in tool called “Trimforce,” which force-enables TRIM for SSDs even if they weren’t “validated for data integrity while using that functionality.” The tool’s language suggests that the feature can be enabled at the user’s own risk: “By using this tool to enable TRIM, you agree that Apple is not liable for any consequences that may result, including but not limited to data loss or corruption.” Users of excellent third-party SSDs haven’t reported any issues with data loss or corruption under OS X.Īlthough a third-party app from Cindori called TRIM Enabler has enabled third-party SSDs to work properly under OS X, Apple partially blocked the app last year, forcing users to disable a new Yosemite security feature if they wanted TRIM support. The first four involve mostly free software, and the last three are small hardware upgrades…Īpple appears ready to allow third-party solid state drives (SSDs) to use TRIM, an OS-level tool for reclaiming unused space, as a new report claims that an at-your-own risk TRIM tool will debut in either OS X Yosemite 10.10.4 or OS X El Capitan 10.11. How could your older Mac be that quiet?”īelow, I’ll walk you through seven steps that will help you bring your older Mac to a hushed, zen-like state. ![]() Apple didn’t start selling iMacs with silent solid state drives (SSDs) or hybrid Fusion Drives until late 2012. ![]() Rarely does the volume level in my office climb above a whisper, an experience I’ve come to love so much that I’d never want to return to a loud computer. Thanks to El Capitan, my older (mid-2011) 27″ iMac is running better than it has in years: fast, quiet, and cool enough that it might as well be fanless. As expected, Apple’s release of OS X El Capitan for Macs was less about adding major new features than “refining the experience and improving performance” from Yosemite - in other words, under-the-hood optimizations to make any Mac run more reliably than before.
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