> Rather: ...only a little above what Freescale rated them to do. And as mentioned by me in this very thread, 7447A is rated for the same maximum of 1.7 GHz. But in this context that's moot anyway because Mac mini G4 uses 7447B in fact.

I'm a little bit confused...Morph System Monitor shows 7447A/1500.
(just starting to move on in the PowerPC fog...)