Model A1225 / Early 2009 / 2.66, 2.93, or 3.06 GHz Core 2 Duo processor

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How to configure ssd as a first drive

Hi, I´m going to install a SSD in my Imac 24 inch 9,1 ( early 2009 ) replacing optical unit and use the HDD as a second unit.

How I Should format SSD to install mountain lion for use it as a system unit?? Should I put TRIM enabled??

Will lost speed if I will install SSD replacing Opitcal unit? or Its better to install SSD in HDD place and keep optical unit?

Thanks in advance and sorry for my bad english.

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Hi, Here is a link to a previous answer to your question that may help you. Good luck.

SSD in Optical Drive Bay

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Thanks, and what about configuration to use SSD as a system unit??


Once you have the SSD installed and install a working OS on it, all you need to do is go into the startup pref settings and select it as the boot volume (system), and restart.


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