EFI firmware updates

Posted on 17 March 2017 by Katie

Apple has recently released  EFI firmware updates for their June 2009 MacBook Pro and early 2009 iMacs, in order to rectify a mistake.

How many of you have found that your SATA drive interface has been running at 1.5Gbps instead of 3Gbps?

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  1. odiebugs Says:

    This depends on the SSD installed, I have seen some top end SSD such as the OCZ vertex 4, show as 3g, and have seen low end show as 1.5.

    If you have a Hard disk drive, HDD it doesn’t matter if the link shows 1.5.

    This is only matters on a SSD, a HDD is so slow and the link change to 3 is useless.

    Now for anyone showing 1.5 try a PRAM & SMC reset, using a SSD.

    Take a Sata revision 3, 6g hard drive, these are stated as 6g interface so people know they can be put on a SATA 3 controller, they will never break Sata 1 speed, its just for interface connection.

    If you have a SSD, you can also use an app called TRIM ENABLER.

    Before using I would run a benchmark on the drive, say XBench, then run TRIM ENABLER, and bench again, I get a better read write on several macbook pro’s 2009, some people say worse and some same.

    Before doing any adj or running a app such as this always bench to see what happens and what you get from it.

    Why run something when it makes it worse.

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