See post for details/links. BTW - firmware versions listed are the same as MBP EFI Firmware Update 1.5 released earlier this month, which some readers said would not apply on their SR MacBook Pros. I suspect this '1.5.1' update addresses that. (FYI - got a reply that it does - from a MBP owner that EFI firmware update 1.5 would not apply previously.)

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