Yes the level 3 cache is on the mother board on those systems. Level 1 and 2 is on the CPU chip. Daniel J. Brieck Jr. On Jun 10, 2006, at 12:47 AM, Till Wimmer wrote: > Hello, > > i succesfully run a 800MHz MP (Quicksilver) processor card in my G4 > Digital Audio. > The specifications of the G4 Quicksilver say that there's 2MB level > 3 (backside) cache. Is this cache on the processor card or on the > logic board? The system profiler on the DA doesn't say anyhing > about L3 cache :( > > bg > Till