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IBM Power System S822 Technical Overview and Introduction

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IBM Power System S822 Technical Overview and Introduction Front cover Draft Document for Review May 12, 2014 12:46 pm REDP-5102-00 IBM Power System S822 Technical Overview and Introduction Outstanding performance based on POWER8 processor technology 2U scale-out rack-mount server Improved RAS features Alexandre Bicas Caldeira Bartłomiej Grabowski Volker Haug Marc-Eric Kahle Cesar Diniz Maciel Monica Sanchez ibm.com/redbooks Redpaper Draft Document for Review May 12, 2014 12:46 pm 5102edno.fm International Technical Support Organization IBM Power System S822 Technical Overview and Introduction April 2014 REDP-5102-00 5102edno.fm Draft Document for Review May 12, 2014 12:46 pm Note: Before using this information and the product it supports, read the information in “Notices” on page vii. First Edition (April 2014) This edition applies to the IBM Power System S822 (8284-22A) server. © Copyright International Business Machines Corporation 2014. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Draft Document for Review May 12, 2014 12:46 pm 5102TOC.fm Contents Notices . vii Trademarks . viii Preface . ix Authors. ix Now you can become a published author, too! . .x Comments welcome. xi Stay connected to IBM Redbooks . xi Chapter 1. General description . 1 1.1 Systems overview . 1 1.1.1 IBM Power S822 server . 1 1.2 Operating environment . 2 1.3 Physical package . 3 1.4 System features . 4 1.4.1 Power S822 system features . 4 1.4.2 Minimum features . 5 1.4.3 Power supply features . 5 1.4.4 Processor module features . 5 1.4.5 Memory features . 6 1.4.6 PCIe slots . 6 1.5 Disk and media features . 7 1.6 I/O drawers for Power S822 server. 9 1.6.1 EXP24S SFF Gen2-bay drawer . 10 1.7 Server and virtualization management . 10 1.8 System racks. 12 1.8.1 IBM 7014 Model T00 rack. 12 1.8.2 IBM 7014 Model T42 rack. 13 1.8.3 IBM 42U Slim Rack 7965-94Y . 14 1.8.4 Feature code 0551 rack . 15 1.8.5 Feature code 0553 rack . 15 1.8.6 Feature code ER05 rack . 15 1.8.7 The AC power distribution unit and rack content . 15 1.8.8 Rack-mounting rules . 18 1.8.9 Useful rack additions. 18 1.8.10 OEM rack . 20 Chapter 2. Architecture and technical overview . 23 2.1 The IBM POWER8 processor . 24 2.1.1 POWER8 processor overview. 25 2.1.2 POWER8 processor core . 27 2.1.3 Simultaneous multithreading. 28 2.1.4 Memory access. 29 2.1.5 On-chip L3 cache innovation and Intelligent Cache . 29 2.1.6 L4 cache and memory buffer . 30 2.1.7 Hardware transactional memory . 31 2.1.8 Coherent Accelerator Processor Interface . 31 2.1.9 Power management and system performance . 33 2.1.10 Comparison of the POWER8, POWER7+ and POWER7 processors . 34 © Copyright IBM Corp. 2014. All rights reserved. iii 5102TOC.fm Draft Document for Review May 12, 2014 12:46 pm 2.2 Memory subsystem . 34 2.2.1 Custom DIMM (CDIMM) . 35 2.2.2 Memory placement rules. 36 2.2.3 Memory bandwidth . 38 2.3 System Bus . 39 2.4 Internal I/O subsystem . 40 2.4.1 Slot configuration . 40 2.4.2 System ports . 43 2.5 PCI adapters . 43 2.5.1 PCI express . 43 2.5.2 LAN adapters . 44 2.5.3 Graphics accelerator adapters . 45 2.5.4 SAS adapters . 46 2.5.5 PCIe RAID and SSD SAS adapter . 46 2.5.6 Fibre Channel adapters . 47 2.5.7 Fibre Channel over Ethernet. 48 2.5.8 InfiniBand Host Channel adapter . 49 2.5.9 Asynchronous and USB adapters. 49 2.5.10 Cryptographic coprocessor . 50 2.5.11 FPGA Adapters. 50 2.6 Internal storage . 51 2.6.1 RAID support . ..
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