Setting Number of Buckets in Vray

Need some help on this.

Previously we have been able to set the number of buckets to 8 instead of the usual 4 for quad machines, now we want to revert to the old 4-bucket thing. The increased bucket number slows down the process and messes up with out backburner processes. I remember this used to be a script. If anyone has this, Ill be grateful for the assistance.

Thanks in advance!

try this pre,

hit F11 (maxscript listener)

type "renderers.current.system_numThreads=4"

tnx glen, solved!