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.

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.

An informal association of mainframers run by Arcati Research, with monthly newsletter and breakfast sessions in London or Oxford, England. Membership is free.

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.

Access to all IBM announcement letters, sales manual, press releases, red books, white papers and catalogs, with comprehensive search for most.

Search by name for telephone numbers and e-mail addresses of IBM employees, limited to six results to prevent abuse.

Workers' Compensation Board - Alberta is the first Canadian company to install an IBM eserver zSeries 990 mainframe computer, code-named T-Rex. z/Journal article is a PDF file requiring Adobe Acrobat Reader.

Provides SNA, 3270, 5250 and LAN/WAN integration products: displays, printers and controllers, including communication servers and console concentrators.

A directory of technical white papers, Webcasts, and case studies from IBM and other companies.

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.