![]() ![]() Q: What hardware would you suggest for someone wanting to upgrade an old Mac with an SSD but who wants to avoid the hassles of disabling KEXT? Q: So the hack might not work in the future? Also, it will be interesting to see how each update affects with respect to 10.10.1, 10.10.2, etc. If the PRAM gets reset, the fix is off until you fix it again. But that aspect aside, this method of fix is accomplished by changing a variable that is stored in PRAM. This effectively disables a security feature. Q: What do you think about the fix that involves disabling KEXT signing? Do you see any drawbacks to using utilities like Trim Enabler? If users have installed a TRIM enabler to enable TRIM commands with their SSD, they will have problems when updating to Yosemite unless they remove the enabler. Q: Other than installing Yosemite, is there a way for users to find out if their SSD uses TRIM and will have problems?Īll SSDs can use TRIM. Performance remains steady and true whether the drive is empty or 99.9 percent full and the NAND wear profile is the best hands down, and by wide margin, compared to its next closest rival even when it is using full TRIM support. While LSI/Sandforce based drives do support TRIM, in years of real-world testing we can confirm this processor effectively negates the need for such. This controller worked very differently and was designed to excel without the need for TRIM. Then we started working with the new Sandforce controller. ![]() Only one problem – these SSDs would slow down and could do so quickly, depending on the usage profile when used in a Mac. They were still expensive but for the performance they appeared to offer, the benefit was incredible. ![]() In 2008, before Apple had any OS side TRIM control, we saw SSDs as a great new space for system acceleration. Q: So Apple has never endorsed this practice?Ĭorrect. As for warning, developer versions of 10.10 made the change clear early, and it was known that this method of non-approved driver modification was no longer going to be allowed. ![]()
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