See also:

• Computers: Hardware: Used  (256)

• IBM Mainframe Servers   - IBM home page for current mainframe computer systems, with links to an overview, software, operating systems, networking, I/O connectivity, solutions, news, events, FAQs, support, education and a library of documents.

• Anura Guruge: Mr. SNA - Guruge's views on the IBM world, XML Web services, grids and autonomic computing.
• Architecture of the IBM System/360 - 1964 article coinciding with the announcement of the System/360 (S/360), the first family of computers to have the same machine architecture as IBM mainframes of today. Written by the S/360's architects: Gene Amdahl, Gerrit Blaauw and Fred Brooks. [PDF]
• BookManager: IBM Softcopy Reader - Free Java-based software for Linux and Windows workstations. Used to read IBM manuals in BookManager format, typically on CD-ROM. Replaces IBM Library Reader (ILR).
• Bus-Tech - Manufactures and markets mainframe connectivity and data movement products, both under their own brand name and as an OEM.
• Computer History: IBM 360/370/3090/390 - A personal history of the IBM mainframe by Lars Poulsen.
• Computer Measurement Group - CMG is a user group focused on performance and resource management, especially for IBM mainframes, with an annual conference and exhibition in North America. Groups link lists local CMG groups worldwide.
• Coupling Facility Structure Sizer: CFSIZER - A Web-based application used to calculate the size of each IBM software product's structure within a Parallel Sysplex Coupling Facility (CF).
• Dictionary of the Mainframe World - 6000 words and phrases currently in use and from the past, technical and marketing terms, as heard in IBM mainframe computer environments.
• Dinos Web Ring - Access to over 30 Web sites run by individuals interested in mainframes.
• Disaster Recovery Journal - Although business continuity is the focus, many articles are mainframe-related. Also hosts an annual conference.
• eServer Magazine, Mainframe Edition - A bimonthly IBM publication with technical overview and how-to articles and tips, mostly on systems software, with some hardware coverage; plus IBM and non-IBM product news. Written by IBM and non-IBM authors.
• Fujitsu Mainframe Servers - Manufacturer of IBM mainframe-compatible servers, services, software and storage. Fujitsu acquired Amdahl, originally founded by IBM System/360 architect Gene Amdahl.
• Gallery of Old Iron: IBM S/360, S/370 - Pictures of Central Processing Unit (CPU), channel and control unit front panels from System/360 and /370 mainframes, plus a few System/3, 1401, 1800 and SAGE items from the author's collection.
• Gilbert Saint-flour - Links to P/390 information and z/OS freeware, as well as Gilbert's own z/OS tools and documentation.
• Hitachi Data Systems - HDS provides hardware storage systems for multiple platforms, including the IBM mainframe. Related support, software and training is also available.
• The IBM 360/67 and CP/CMS - Tom Van Vleck's history of the IBM System/360 Model 67 computer and the CP/CMS operating system, which later became z/VM.
• IBM Corporate Archives - Includes a Search facility. Catalog link then Products and Services includes information on and pictures of many historical pieces of mainframe hardware.
• IBM Hardware Internet Library - Free access to IBM manuals in both Web-based BookManager and Adobe Acrobat PDF format. Mostly IBM mainframe hardware and the software that supports it.
• IBM Jaguar Tape - IBM TotalStorage Enterprise Tape Drive 3592 replaces 3590 MagStar with a non-compatible tape cartridge format, just as MagStar replaced 3480 a decade earlier. Originally code-named Jaguar.
• IBM Redbooks - Special type of less formal IBM manuals. Useful for users seeking more real-world examples than given in standard manuals. Usually details implementation and experiences of a project to implement IBM software and hardware, but some are conference presentation material. More often now, a few are introductory textbooks on a specific technology: IBM hardware or software product.
• IBM Resource Link - Convenient access to mainframe hardware and systems software planning and maintenance information. Registration is free, but is restricted to IBM customers, business partners and employees; confirmation takes about two business hours.
• IBM Resources for Mainframe Developers - IBM programs and information for anyone developing a commercial software product for IBM's mainframe operating systems. Including free software and low cost hardware through PartnerWorld for Developers, developerWorks and other programs.
• IBM SHARK Disk - IBM TotalStorage Enterprise Storage Server (ESS) can be used for both mainframe DASD and as a Storage Area Network (SAN) for a broad range of platforms. Originally code-named SHARK.
• IT In-Depth: For Data Center Professionals - News analysis, technology, editorial, product reviews and pictorial sections covering mainframe, Unix/Linux, software and services.
• ITPapers: IBM Mainframe - A directory of technical white papers, Webcasts, and case studies from IBM and other companies.
• Lawrence Wilkinson's IBM 360/30 Saga - Getting an old System/360 Model 30 running DOS/360 in 1982 in New Zealand.
• The Mainframe Breakfast Network (MBN) - An informal association of mainframers run by Arcati Research, with monthly newsletter and breakfast sessions in London or Oxford, England. Membership is free.
• Marc Niegowski: Systems Programmer At Large - Historical mainframe information plus tips and techniques for Assembler and C/C++. From a Systems Programmer specializing in mainframe telecommunications networks.
• Nusantara IT Pro Club - On-line presentations on various mainframe systems programming topics: hardware, operating system, Assembler and networking.
• Planet MVS - Covers mainframe hardware and z/OS-related systems software topics. Including a collection of IBM Green Cards.
• 360 Revolution - Video and pictures from the 40th anniversary celebrations of the IBM mainframe (System/360) on April 7, 2004, at the Computer History Museum in Silicon Valley, California.
• The 360 Revolution - IBM's 40th anniversary book, by Chuck Boyer, detailing the history of the System/360; IBM mainframes today are still software-compatible with the System/360. [PDF]
• search390.com - IBM mainframe-specific portal, with search engine and browsable categories: hardware, software and education directories; career center, Web links, published articles (some by site staff).
• Visara International - Provides SNA, 3270, 5250 and LAN/WAN integration products: displays, printers and controllers, including communication servers and console concentrators.
• z/Journal - An independently-published mainframe-only magazine covering IBM zSeries hardware and the software that runs on it, including the VSE/ESA, z/VM, z/OS and Linux operating systems. Subscriptions are free in the U.S. and Canada.
• zSeries System Programmer Portal - An IBM site providing mainframe hardware and systems software planning and maintenance information for Technical Support staff.

• Xephon Co-founder Chris Bunyan Passes Away - A tribute to the late Chris Bunyan, Xephon co-founder and champion of the IBM mainframe. (September 20, 2004)
• T-Rex - IBM eServer zSeries 990 Mainframe Computer - IBM laid claim to the T-Rex containing the densest electronics in the world: 3.2 billion transistors in 16 chips on 101 layers of ceramic glass connected to 5000 pins by 500 meters of wire, all in a 3.7" x 3.7" x 0.75" module. (May 13, 2003)
• 64-bit Architecture - Article by Patrick Mullenon on IBM announcing 64 bit architecture. (November 1, 2000)