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IBM Power System AC922 Introduction and Technical Overview

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IBM Power System AC922 Introduction and Technical Overview Front cover IBM Power System AC922 Introduction and Technical Overview Alexandre Bicas Caldeira Redpaper International Technical Support Organization IBM Power System AC922 Introduction and Technical Overview March 2018 REDP-5472-00 Note: Before using this information and the product it supports, read the information in “Notices” on page v. First Edition (March 2018) This edition applies to the IBM Power System AC922 server models 8335-GTG and 8335-GTW. © Copyright International Business Machines Corporation 2018. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . .v Trademarks . vi Preface . vii Authors. vii Now you can become a published author, too! . viii Comments welcome. viii Stay connected to IBM Redbooks . viii Chapter 1. Product summary . 1 1.1 Key server features . 2 1.2 Server models . 4 1.2.1 Power AC922 server model 8335-GTG . 4 1.2.2 Power AC922 server model 8335-GTW . 5 1.2.3 Minimum features . 7 Chapter 2. System architecture . 9 2.1 System architecture . 10 2.2 Processor subsystem . 15 2.2.1 POWER9 processor overview. 16 2.2.2 Processor feature codes . 18 2.3 Memory subsystem . 18 2.3.1 Memory features and placement rules . 18 2.3.2 Memory bandwidth . 19 2.4 I/O subsystem . 20 2.4.1 PCIe . 20 2.4.2 IBM CAPI2 . 21 2.4.3 OpenCAPI. 22 2.4.4 The NVIDIA Tesla V100 . 25 2.4.5 NVLINK 2.0 . 28 2.5 PCI adapters . 29 2.5.1 Slot configuration . 29 2.5.2 Local area network adapters. 30 2.5.3 Fibre Channel adapters . 31 2.5.4 CAPI-enabled InfiniBand adapters . 31 2.5.5 Compute-intensive accelerators . 31 2.5.6 Flash storage adapters . 32 2.6 System ports . 32 2.7 Internal storage . 32 2.7.1 Disk and media features . 33 2.8 External I/O subsystems . 33 2.9 Location codes . 34 2.10 IBM System Storage . 34 2.11 Operating system support . 35 2.11.1 Ubuntu . 35 2.11.2 Red Hat Enterprise Linux . 35 2.11.3 More information . 36 2.12 Java. 36 © Copyright IBM Corp. 2018. All rights reserved. iii Chapter 3. Physical infrastructure. 37 3.1 Operating environment . 38 3.1.1 Leak detection. 40 3.1.2 Water pressure . 41 3.2 Physical package . 41 3.3 System power . 41 3.4 System cooling . 42 3.5 Rack specifications . 46 3.5.1 IBM Enterprise Slim Rack 7965-S42. 46 3.5.2 AC power distribution units . 51 3.5.3 Rack-mounting rules . 53 3.5.4 OEM racks . 53 Related publications . 59 IBM Redbooks . 59 Online resources . 59 Help from IBM . 59 iv IBM Power System AC922 Introduction and Technical Overview Notices This information was developed for products and services offered in the US. This material might be available from IBM in other languages. However, you may be required to own a copy of the product or product version in that language in order to access it. IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead. However, it is the user’s responsibility to evaluate and verify the operation of any non-IBM product, program, or service. IBM may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not grant you any license to these patents. You can send license inquiries, in writing, to: IBM Director.
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