The Register has the following:
The rest of the article is here.Motorola's chip division - soon to be spun off as Freescale Semiconductor - today updated its G4-class PowerPC processor, the MPC7447, taking the part to 1.5GHz, paving the way for one more PowerBook G4 update before the line before its upgraded to IBM's 90nm G5 chip, the 970FX.