The Mac will automatically reboot in order to implement the new support. Before that happens, however, users in Terminal will be greeted with a warning that says the forcing Trim support "may result in unintended data loss or data corruption," and recommends a backup of all data.
Apple specifically states in the warning that "use of the tool is at your sole risk, and that the entire risk as to satisfactory quality, performance, accuracy and effort is with you," specifically excluding the Trim usage from any existing warranties or coverage to the extent permitted by applicable law, suggesting that Apple has not tested its version of Trim with a wide variety of possible third-party drives, some of which such as SSDs using Sandforce controllers do not need it and advise against enabling it.
Older SSDs in particular can vary in the way they implement or support the Trim command, but Apple's force-enabling of Trim should work fine as a complement to existing garbage-collection routines on recent models of SSDs.
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MacNN has, however, seen reports that Samsung's line of "" and "" drives, including the Evo and Pro lines, along with some models of SSD by Crucial and Micron , can permanently write the wrong data due to a flaw in their implementation of Trim support, and thus it is not advised to force-enable Trim if a user has one of those drives until given the all-clear from the manufacturer. The bug that affects the Samsung drives may only appear in Linux distributions, as Windows users do not seem to be affected, but this leaves Mac compatibility unclear.
Samsung has said it is looking into the issue. Most other recent SSD models will work with Apple's Trim command in harmony with any existing management. Should a user decide to reverse the force enabling of Trim in OS X Because the use of Trim only produces a notable difference in performance after years of use, it can be difficult to detect if enabling Trim is worthwhile -- Samsung SSD owners, however, report that the bug can strike nearly immediately, or take years to happen. Apr 13, Jul 02, at We'll be back with some numbers in a few days.
I'll be curious to see the results. I have a backup so not worried. I was aware of Linux having issues I haven't noticed anything yet under OSX That's about a month of heavy use. So far, so good. More testing to come, but this is just the start. As previously mentioned, this may take a while. We'll keep going. Mike, how's the testing going? Have quite a few Samsung drives so I'm very interested. Are you using the latest firmware on all test drives? Running them under Yosemite The first pass is on the first, less reliable firmware.
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The second which starts tonight will be on the newer. The test has to be under Apple supplier Cirrus Logic has introduced a MFi-compliant new development kit for companies interested in using Cirrus' chips to create Lightning-based headphones, which -- regardless of whether rumors about Apple dropping the analog headphone jack in its iPhone this fall -- can offer advantages to music-loving iOS device users.
The kit mentions some of the advantages of an all-digital headset or headphone connector, including higher-bitrate support, a more customizable experience, and support for power and data transfer into headphone hardware. Several companies already make Lightning headphones, and Apple has supported the concept since June The Apple Store app for iPhone, which periodically rewards users with free app gifts, is now offering the iPhone "Pocket" version of drawing app Procreate for those who have the free Apple Store app until July Users who have redeemed the offer by navigating to the "Stores" tab of the app and swiping past the "iPhone Upgrade Program" banner to the "Procreate" banner have noted that only the limited Pocket iPhone version of the app is available free, even if the Apple Store app is installed and the offer redeemed on an iPad.
Porsche has added a fifth model of vehicle to its CarPlay-supported lineup, announcing that the Panamera -- which will arrive in the US in January -- will include Apple's infotainment technology, and be seen on a giant Other vehicles that currently support CarPlay include the and the models of Macan, Boxster, and Cayman. The company did not mention support for Google's corresponding Android Auto in its announcement.
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New features included in the forthcoming watchOS 3 are being tested by Apple retail store employees, including a new activity-tracking feature that has been designed with wheelchair users in mind. The move is slightly unusual in that, while retail employees have previously been used to test pre-release versions of OS X and iOS, this marks the first time they've been included in the otherwise developer-only watchOS betas.
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The company is said to have gone to great lengths to modify the activity tracker for wheelchair users, including changing the "time to stand" notification to "time to roll" and including two wheelchair-centric workout apps. The car can run on either, but would be limited on how fast on the dirt road and would pickup a lot of dust in the process. HDD's data throughput is still less then what SSD's can put out so the design of the SATA cable needs to be optimized for the higher throughput which the newer designed cable offers.
Even still I always apply some electricians tape onto the uppercase when the cable rests to help isolate it from the rough aluminum so it does not abrade. Arvind Jagwani avj. Review the drives spec sheet to make sure it supports the SATA speed of your system. As an example Samsung EVO spec sheet Note the Interface line, what ever drive you get needs to support what your system uses.
Thank you Dan your answer was great information and help for my future update on Macbook Pro mid 15". Select a Language: Help Translate iFixit. Back Answers Index. View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Voted Undo.
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Score 2. Is the compatible with the Macbook Pro 17" 5,2 model as well? The All-New.
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Chosen Solution. Dan danj Rep: Next you'll want to download from the App store the OS installer. Was this answer helpful? Score 5.