"Hecate" wrote in message
I thought I read somewhere this was a 32 bit OS, rather than a Photoshop limitation. Hmm…can’t remember, and what difference does it make
anyway?
No, it’s a Photoshop barrier. They hadn’t changed the code to allow PS to access more than 2Gb of memory. it only becomes a problem when, like this guy you have 4Gb of memory and you can’t get PS to access it.
Ahh, here it is (though to be sure, Hecate, I don’t know if this is correct). And, I could be wrong, but I thought I remember Chris C. saying the same thing:
The quote below is taken from this web-site:
http://www.hothardware.com/hh_files/CCAM/a64fx_51_launch(3).shtml "Why 64-bit?
The advantages of running native a 64-bit operating system and applications are two-fold. First, the 4GB memory limit, associated with 32-bit software and hardware architectures, is now a thing of the past. Current versions of Windows XP can address up to 4GB of memory, 2GB are allotted to the OS while 2GB is available for running applications. Microsoft’s server OSes have the ability to address up to 32GB of memory through a technique known as PAE (Physical Address Extension), but each application is still limited to 2GB. With Windows XP 64-bit Edition, the new memory limit is 16 terabytes, or 16,000GB, and all of that RAM will be available to the OS and applications. [snip]"
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