by Zero1 » Mon May 02, 2005 8:27 am
Most likely cause is the harddrive access times.
Check you're drive activity LED when you are trying to play back the sequence, if it is a drive issue, the light will remain (almost constantly) on.
I've got an Athlon64 3400+ 2.2GHZ (it's the old Clawhammer type with 1MB cache, as opposed to the one you probably have which would be a 512KB cache Newcastle core)
I can play back multiple files fine, so I'd assume it's the HD.
Another thing to do would be to ctrl alt del and go to the CPU usage graph, and see if it's maxed out on playback, if it is, then obviously the processor doesn't have enough go in it, and you should just render it.