Allocating memory to increase performance in PhotoShop and Illustrator

I think I might need to allocate or reallocate(?) memory, but I can't remember how to do it. The reason I think it's the memory is that my home computer and my work computer both have 512 MB RAM but the work computer seemed WAY more efficient - never had graphics trouble with it. At home though, Illustrator is redrawing when I zoom etc....
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Go to Edit > Preference .> Memory and Image Cache. You can define Physical memory Usage.
You must also define Scratch disks, by going to Scratch Disks option in the Preference dialog box and assigning the hard drives to be used as first, second, third , and fourth scratch disk.

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Web Graphics Software

From novice to tech pro — start learning today.