afni.nimh.nih.gov

I had afni_proc.py use the same computation that 3dDeconvolve
uses if you specify 'A' as the polort (i.e. 'automatic', where
3dD chooses it). That is 1+floor(t/150), t in seconds.

So you are right, it would be 5 in the case of 630 seconds.

- rick