Enter the IBM z17 mainframe with Telum II (more clues for Power11?)

IBM is announcing their new z17 mainframe , based on the Telum II (see our notes on the original Telum CPU). IBM first announced the Telum II last year and the z17, its intended first deployment, has now emerged just about bang on time. Still, we're obviously more interested in Power ISA around here, and IBM has yet to say much substantive about Power11 other than the usual assertions of…