IBM Front cover Introducing Windows Server x64 on IBM Eserver xSeries Servers Describes the new 64-bit operating system from Microsoft Lists support for key server applications and xSeries tools Provides migration information and scenarios David Watts Darryl Miles Piotr Pietrzak ibm.com/redbooks Redpaper International Technical Support Organization Introducing Windows Server x64 on IBM Eserver xSeries Servers June 2005 Note: Before using this information and the product it supports, read the information in “Notices” on page v. First Edition (June 2005) This edition applies to Windows Server 2003, x64 Edition. This document created or updated on June 21, 2005. © Copyright International Business Machines Corporation 2005. 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 The team that wrote this Redpaper . vii Become a published author . viii Comments welcome. ix Chapter 1. Introduction to this paper . 1 1.1 Benefits of Windows Server 2003, x64 Edition . 2 1.1.1 Technical benefits . 2 1.1.2 Business benefits . 2 1.2 Why now? . 3 1.3 64-bit misconceptions . 4 1.3.1 Processor performance. 4 1.3.2 Not all 64-bit Windows are the same . 4 1.3.3 Application performance . 5 Chapter 2. Hardware technology . 7 2.1 What makes a 64-bit processor . 8 2.2 AMD and Intel processors. 9 2.3 Intel Xeon with Extended Memory 64 Technology . 10 2.4 AMD Opteron™ processor . 14 2.5 Memory addressing. 16 2.5.1 The 4 GB memory limit with 32-bit operating systems . 16 2.5.2 64-bit memory addressing. 17 2.6 Comparing AMD64 and EM64T . 18 2.7 Three operational modes . 20 Chapter 3. IBM products. 21 3.1 The IBM Eserver product line. 22 3.1.1 zSeries . 22 3.1.2 iSeries . 23 3.1.3 pSeries . 23 3.1.4 xSeries . 23 3.1.5 BladeCenter . 24 3.2 xSeries servers . 24 3.2.1 IBM Enterprise X-Architecture. 25 3.2.2 IBM eServer X3 Architecture. 25 3.2.3 IBM xSeries product portfolio . 27 3.2.4 xSeries 206 . 29 3.2.5 xSeries 226 . 30 3.2.6 xSeries 236 . 31 3.2.7 xSeries 306 . 32 3.2.8 xSeries 336 . 33 3.2.9 xSeries 346 . 34 3.2.10 xSeries 366 . 35 3.2.11 xSeries 460 and MXE-460 . 36 3.2.12 IBMEserver 326 . 37 © Copyright IBM Corp. 2005. All rights reserved. iii 3.2.13 BladeCenter - HS20 server. 38 3.2.14 Useful links . 39 3.3 Support for Windows Server 2003, x64 Edition from IBM. 40 3.3.1 ServerGuide . 40 3.3.2 ServeRAID . 40 3.3.3 UpdateXpress . 41 3.3.4 IBM Director . 41 3.3.5 RDM . 42 Chapter 4. Windows Server 2003, x64 Edition . 43 4.1 Windows products for 32-bit and 64-bit platforms. 44 4.2 Changes in Windows Server 2003, x64 Edition . 45 4.2.1 Intel EM64T and AMD Opteron™ processor support . 45 4.2.2 Increased processor and memory scalability . 46 4.2.3 Processor and memory limits . 47 4.2.4 Virtual memory limits. 48 4.2.5 32-bit and 64-bit application support. 49 4.2.6 64-bit drivers . 51 4.2.7 Machine Check Architecture Support . 52 4.2.8 Features not supported. 52 4.3 Applications. 53 4.3.1 Active Directory® . 53 4.3.2 Application servers . 54 4.3.3 Database servers . ..