Information and resources on how to get IBM certified. Directly from the source.

Family of PPC processors with low power and high speed CPUs. [IBM]

IBM host page: descriptions, explanations, specifications, licensing, newsletter, contacts.

IBM's own history site, with pages on many of their significant systems (see especially the "Exhibits" and "Documents" sections).

Storage Area Network initiative to enable access to information anytime, anywhere. Connectivity solutions for disk storage systems.

Official site for IT systems from International Business Machines.

Includes a Search facility. Catalog link then Products and Services includes information on and pictures of many historical pieces of mainframe hardware.

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 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.

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.