IBM z14 Model ZR1 Technical Guide

Central processor complex I/O system structure

This chapter describes the I/O system structure and connectivity options that are available on the IBM z14 Model ZR1 servers.

This chapter includes the following topics:

•4.1, “Introduction to I/O infrastructure” on page 116

•4.2, “I/O system overview” on page 117

•4.3, “PCIe+ I/O drawer” on page 119

•4.4, “CPC drawer fanouts” on page 122

•4.5, “I/O features” on page 125

•4.6, “Connectivity” on page 130

•4.7, “Cryptographic functions” on page 155

•4.8, “Integrated Firmware Processor” on page 156