Mainframe

Anura Guruge: Mr. SNA
Guruge's views on the IBM world, XML Web services, grids and autonomic computing.
http://www.guruge.com

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]
http://www.research.ibm.com/journal/rd/441/amdahl.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).
http://www-306.ibm.com/software/applications/office/bkmgr/softcopyread.html

Bus-Tech
Manufactures and markets mainframe connectivity and data movement products, both under their own brand name and as an OEM.
http://www.bustech.com

Computer History: IBM 360/370/3090/390
A personal history of the IBM mainframe by Lars Poulsen.
http://www.beagle-ears.com/lars/engineer/comphist/ibm360.htm

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.
http://www.cmg.org

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).
http://www-03.ibm.com/servers/eserver/zseries/cfsizer/

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.
http://www.sdsusa.com/dictionary

Dinos Web Ring
Access to over 30 Web sites run by individuals interested in mainframes.
http://www.chopf.com/dinoring.shtml

Disaster Recovery Journal
Although business continuity is the focus, many articles are mainframe-related. Also hosts an annual conference.
http://www.drj.com

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.
http://www.eservercomputing.com/mainframe

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.
http://www.fujitsu.com/services/computing/server/mainframe/

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.
http://home.nc.rr.com/deh/GALLERY/INDEX.HTM

Gilbert Saint-flour
Links to P/390 information and z/OS freeware, as well as Gilbert's own z/OS tools and documentation.
http://home.comcast.net/~gsf/

Hitachi Data Systems
HDS provides hardware storage systems for multiple platforms, including the IBM mainframe. Related support, software and training is also available.
http://www.hds.com/products_services/storage_systems/enterprise_storage

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.
http://www.multicians.org/thvv/360-67.html

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.
http://www-03.ibm.com/ibm/history/

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.
http://www-03.ibm.com/servers/s390/os390/bkserv/hw.html

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.
http://www-03.ibm.com/servers/storage/tape/3592/

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.
http://www.redbooks.ibm.com/

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.
http://www.ibm.com/servers/resourcelink

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.
http://www-03.ibm.com/systems/z/developers/

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.
http://www-03.ibm.com/servers/storage/disk/ess/

IT In-Depth: For Data Center Professionals
News analysis, technology, editorial, product reviews and pictorial sections covering mainframe, Unix/Linux, software and services.
http://www.itindepth.com

ITPapers: IBM Mainframe
A directory of technical white papers, Webcasts, and case studies from IBM and other companies.
http://www.itpapers.com/search.aspx?&scid=261

Lawrence Wilkinson's IBM 360/30 Saga
Getting an old System/360 Model 30 running DOS/360 in 1982 in New Zealand.
http://homepages.kcbbs.gen.nz/nbree/saga.html

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.
http://www.arcati.com/mbn

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.
http://www.marcsweb.com

Nusantara IT Pro Club
On-line presentations on various mainframe systems programming topics: hardware, operating system, Assembler and networking.
http://www.geocities.com/nit_proclub/

Planet MVS
Covers mainframe hardware and z/OS-related systems software topics. Including a collection of IBM Green Cards.
http://planetmvs.com

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.
http://www.computerhistory.org/ibms360_04072004

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]
ftp://ftp.software.ibm.com/eserver/zseries/misc/bookoffer/download/360revolution_040704.pdf

Visara International
Provides SNA, 3270, 5250 and LAN/WAN integration products: displays, printers and controllers, including communication servers and console concentrators.
http://www.visara.com

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.
http://www.zjournal.com

zSeries System Programmer Portal
An IBM site providing mainframe hardware and systems software planning and maintenance information for Technical Support staff.
http://www-03.ibm.com/servers/eserver/support/zseries/progportal/

Xephon Co-founder Chris Bunyan Passes Away
A tribute to the late Chris Bunyan, Xephon co-founder and champion of the IBM mainframe. <small>(September 20, 2004)</small>
http://www.itindepth.com/Chris%20Tribute.htm

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. <small>(May 13, 2003)</small>
http://www-03.ibm.com/servers/eserver/zseries/z990/

64-bit Architecture
Article by Patrick Mullenon on IBM announcing 64 bit architecture. <small>(November 1, 2000)</small>
http://www.aig.qc.ca/mvs/zseries.html