A-Bus – WikiChip Fuse

Architectures Floorplanning Hot Chips 30 Interconnects Server Processors

POWER9 Scales Up To 1.2 TB/s of I/O, Targets NVLink 3, OpenCAPI Memory for 2019

October 7, 2018May 25, 2021 David Schor 14 nm, 14HP, A-Bus, Centaur, Hot Chips, Hot Chips 30, IBM, NVLink, OpenCAPI, POWER, Power ISA, POWER9, PowerAXON, X-Bus

A look at the IBM POWER9 scale-up design recently disclosed at Hot Chips 30 and their plans for a 3rd POWER9 derivative for 2019.

Architectures Circuit Design Floorplanning ISSCC 2018 Server Processors

ISSCC 2018: The IBM z14 Microprocessor And System Control Design

May 13, 2018May 25, 2021 David Schor 14 nm, 14HP, A-Bus, floorplan, IBM, ISSCC, ISSCC 2018, mainframe, X-Bus, z/Architecture, z14

A look at the changes and enhancements that were implemented by IBM in their z14 mainframe microprocessor and system control chips.