OpenCAPI

IBM Adds POWER9 AIO, Pushes for an Open Memory-Agnostic Interface

November 3, 2019May 25, 2021 David Schor Centaur (buffer chip), Hot Chips 31, IBM, NVLink, Open Memory Interface (OMI), open source, OpenCAPI, Power ISA, POWER9

IBM adds a third variant of POWER9, the POWER9 Advanced I/O (AIO) processor which incorporates the Open Memory Interface (OMI), a new open memory-agnostic interface.

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.