IBM z14 Model ZR1 Technical Introduction

IBM z14 ZR1 hardware overview

This chapter expands on the description of the key hardware elements of the z14 ZR1 that was presented in Chapter 1, “The foundation of a trusted digital transformation” on page 1. It includes the following topics:

•2.1, “Models and upgrade paths” on page 18

•2.2, “Rack and cabling” on page 19

•2.3, “CPC drawer” on page 20

•2.4, “I/O system structure” on page 25

•2.5, “Power and cooling” on page 29

2.1 Models and upgrade paths

The z14 Model ZR1 features an assigned machine type (MT) of 3907, which uniquely identifies ...