IBM z15 Technical Introduction

IBM z15 hardware overview

This chapter expands on the descriptions of the key hardware elements of the z15 that were presented in “z15 technical description” on page 8. It includes the following topics:

•2.1, “Models and upgrade paths” on page 20

•2.2, “Frames and cabling” on page 21

•2.3, “CPC drawers” on page 23

•2.4, “I/O system structure” on page 30

•2.5, “Power and cooling” on page 32

For more information about the key capabilities and enhancements of the z15, see IBM z15 (8561) Technical Guide, SG24-8851.

2.1 Models and upgrade paths

The ...