IBM Power Systems S812L and S822L Technical Overview and Introduction

A draft IBM Redpaper publication


This IBM® Redpaper™ publication is a comprehensive guide covering the IBM Power Systems S812L (8247-21L) and Power Systems S822L (8247-22L) servers that support the Linux operating system. The objective of this paper is to introduce the major innovative Power S812L and Power S822L offerings and their relevant functions:

  • The new IBM POWER8™ processor, available at frequencies of 3.02 GHz, and 3.42 GHz.
  • Significantly strengthened cores and larger caches
  • Two integrated memory controllers with improved latency and bandwidth
  • Integrated I/O subsystem and hot-pluggable PCIe Gen3 I/O slots
  • Improved reliability, serviceability, and availability functions
  • IBM EnergyScale™ technology that provides features such as power trending, power-saving, capping of power, and thermal measurement.

This publication is for professionals who want to acquire a better understanding of IBM Power Systems™ products.

This paper expands the current set of IBM Power Systems documentation by providing a desktop reference that offers a detailed technical description of the Power S812L and Power S822L system.

This paper does not replace the latest marketing materials and configuration tools. It is intended as an additional source of information that, together with existing sources, can be used to enhance your knowledge of IBM server solutions.

Table of contents

Chapter 1. General description
Chapter 2. Architecture and technical overview
Chapter 3. Virtualization
Chapter 4. Continuous availability and manageability


These pages are Web versions of IBM Redbooks- and Redpapers-in-progress. They are published here for those who need the information now and may contain spelling, layout and grammatical errors.

This material has not been submitted to any formal IBM test and is published AS IS. It has not been the subject of rigorous review. Your feedback is welcomed to improve the usefulness of the material to others.

IBM assumes no responsibility for its accuracy or completeness. The use of this information or the implementation of any of these techniques is a customer responsibility and depends upon the customer's ability to evaluate and integrate them into the customer's operational environment.


Last Update
22 July 2014

Planned Publish Date
30 June 2014

(based on 2 reviews)




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