I have to run (10.6.3) operating system 64 bit to obtain the full PS CS5 64bits benefits?

I keep reading about the benefits of PS running in 64-bit, especially for very large files (which is the biggest part of my job). I was under the impression that applications can use only more than ~ 3 GB of memory if the operating system is running in mode 64-bit. However, I always run mine (Mac OS 10.6.3) in 32-bit (the default mode), and again, in the 'Performance' of the PS preferences panel I can attribute my whole RAM (14FR) for the use of the memory.

I get all the benefits of 64-bit, or what I need to run my OS to 64-bit?

Thanks for any advice...

And you can run 64-bit on Mac OS 10.5.8.

You don't have to use the 64-bit Mac OS kernel until you have more than 32 GB of RAM installed on your system.

Tags: Photoshop

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