HT201518: About EFI and SMC firmware updates for Intel-based Mac computers
Learn about About EFI and SMC firmware updates for Intel-based Mac computers
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Helpful answers
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Oct 20, 2015 10:10 AM in response to nikmauroby a brody,Upgrading the firmware should have no effect on your ability to do your RAM. It means the RAM you added is of poor quality, or poorly seated. See my FAQ*:
http://www.macmaps.com/badram.html
* Links to my pages may give me compensation.
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Oct 20, 2015 11:54 AM in response to a brodyby nikmauro,here the memory http://www.e-shop.gr/ram-mushkin-971644a-4gb-so-dimm-ddr3-pc3-8500-1066mhz-apple -series-p-PER.553616 {RAM MUSHKIN 971644A 4GB SO-DIMM DDR3 PC3-8500 1066MHZ APPLE SERIES}
look this page where the firmware fix the 8gb support http://blog.macsales.com/9102-secret-firmware-lets-late-08-macbooks-use-8gb/comm ent-page-3