IBM zEnterprise EC12 Technical Guide

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Central processor complex I/O system structure

This chapter describes the I/O system structure and connectivity options available on the IBM zEnterprise EC12 (zEC12).

This chapter includes the following topics:

•Introduction to InfiniBand and PCIe

•I/O system overview

•I/O cages

•I/O drawers

•PCIe I/O drawers

•I/O cage, I/O drawer, and PCIe I/O drawer offerings

•Fanouts

•I/O feature cards

•Connectivity

•Parallel Sysplex connectivity

•Cryptographic functions

•Integrated firmware processor

•Flash Express

•10 GbE RoCE Express

•zEDC Express

4.1 Introduction ...

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