My Mac has 8gb of ram and it runs stable but the only problem is it puts all my ram as inactive until i need to load something. What this does though is when it loads whatever program it lags the crap out of my computer until it puts more into active ram.

Is there anyway I can have my active ram be more right away? instead of like 1gb?

Thanks in advance.

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.:AMD Machine:.
2.6GHz Quad Phenom 9850.:.Biostar TA790GX.:.8GB DDR2 1066MHz.:.nVidia 8600GT.:.500GB Sata HD.:.Running: LawlessPPc 10.5.4 Update to 10.5.7.:.Voodoo Kernel REV A:.

.:Macbook Pro:.
Intel Core 2 Duo.:.2GB DDR2.:.200GB HD:.