d24 go slow motion

hello i got a problem with my d24 withdsp farm cards sometimes it go's good but this afternoon everything was playing in slow motion i cheked my clock and everything do somebody know why tis is thanks chris

what exactly is slow motion? slow performance insidePT? might be fragmented disks? bad RAM? buffer size/ H/W settings?

hello i try to changed the buffer size already i had it before but after restarthing the mac it works fine but today not it is like half of normal speed

Umm, shift and space? That plays half speed.

no it is no shift and space i think it is something with the mac i got it when i run it 5.1on mac os9 and 6.4 on mac osx