Power Mac G5 :: Dual Keeps Reading Disks Excessively Despite 6.5 GB Ram

Oct 14, 2007

I have a G5 Power PC with Dual Ghz 2.5 processors. I have two 250 GB hard drives, my primary drive has 45 GB available and my secondary (storage drive) has 10 GB left.

My problem is that I have 6.5 GB of installed and recognized RAM, and yet I constantly hear my hard drive spinning up, as though the OS is using virtual RAM off of my hard drive(s), and ignoring my plentiful system RAM.

This happens when launching every application - big or small - and even surfing the internet. I open Activity Monitor and see that my Virtual memory is 7.2 when idle and grows to 8.5 with a couple of programs open. My page in/out is 48919/0.

This "spin up" sound happens all of the time, whether I am working on something or not, but particularly when I launch programs. No background programs (such as a virus scanner) are installed or running.

So my question is this: Is there any way that I can adjust OS X (latest version) so that it strictly reads my system RAM first before going to my drive? Some setting somewhere? I thought that OS X (as in all computers) only went to the hard drive's VM when it ran out of System RAM. Am I missing something?

Information:
Dual 2.5 GHz PowerPC G5 and iMac G4 800MHz w/ 1 GB RAM
Mac OS X (10.4.10)
G5 Dual 2.5 Ghz 6.5 GB DDR SDRAM, 2 - 250 GB HDs Logic studio 8 and Adobe CS3 Suite,.

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Information:
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Information:
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