Help? System Overload Message., Over Load Errors in Logic Options

[prid]

Hi,

I am having serious problems at the moment with the "System Overload error" message when working in Logic Pro.
Basically the CPU is overloading everytime i press my play button.
I am using a couple of hungy plug ins, but not that many?!? I have used this many before and it didn't happen. I have a g4 power book.with 867mhz.

Its not the Audio overloading because I have many of the tracks frozen and can check with the system performance bar.

Can anyone recommend a solution, other than not using as many plugs in. (iam using a couple of logic synths, then some logic effects) I have already grouped some plug-ins onto busses to reduce the power used.

Any suggestions, other than upping my ram?
Would a seperate hardrive help?

Thanks

[Kesleyg]

I often get these messages when using Core Audio (Internal) but rarely when using emagic 6|2m driver. Perhaps its the driver.

[prid]

Hey, thanks for reply
I am not 100% clear on what you mean there?
I have the emagic 6/2 sound card also.
Is there something i need to change?

Its the CPU that seems to be problem as the bar on 'system performance' is well in the red.