Photoshop CS Scratch Sizes

Hi friends,

I am running Photoshop CS on Windows XP using 512MB RAM. I would like to know what is the best amount of memory to set 'Memory & Image Cache' in the 'Preferences' menu to? Also, what is the ideal setting for 1024MB RAM?

I generally open files around 10MB in size on the hard drive. However, when they are opened in Photoshop CS, the 'Scratch Size' in the status bar shows 'Scr: 713.3M/270M'! Indicating that photoshop has bloated the file to 713MB for editing. Shocking or am I interpretting this wrong?

Thanks,

Lee.
LeeGoldingAsked:
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weedConnect With a Mentor Commented:
There is no ideal setting. The more you give it, the better it runs. That depends on how much you can afford to give it.

As for the scratch sizes, here's an explanation from the manual.

The number on the left represents the amount of memory that is currently being used by the program to display all open images. The number on the right represents the total amount of RAM available for processing images.
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