I Stat Pro: 10 MB free memory but 256 MB swap file. What does this mean?
I have a 20 inch Intel Core Duo 2 Ghz iMac with the stock 512 MB memory stick.
The most intensive things I do are video and photo editing, and the system does seems to lag or sometimes dvd menus stutter.
Do I need more memory?
I Stat Pro widget will say that I have around 10 MB of free memory, but the swap file will say 256 MB or even 512 MB.
A swap file is memory that is on your hard drive. There usually is a minimum amount, and it will increase drastically when you run out of physical RAM which you appear to be doing. For example, I have 2 gigs and I have almost 1.5 unused typing here and a 64 mb swap file.
You also have to consider Rosetta if you are running Adobe PSCS2 and other Power PC version software. If so, Rosetta uses up a ton of memory to run the non-universal apps on the Intel Macs.
In my opinion, you need at least 1 gig, and will be way happier with 2 if running Adobe and MS Office stuff, just like others have posted.
DDR also requires matched pairs to run in dual state, so if you had 2 sticks of 512 or 2 of 1 gig, your speed will increase.
Bottom line, if it's fast enough for you and you don't mind the hard drive churning, don't let us spend your money
Michael
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