The Computers: Hardware: Systems: (IBM Systems )

Sites related to IBM's large range of platforms including subcategories for AS-400 (iSeries) and S-390 (zSeries). IBM Systems Hardware Computers.

International Business Machines Corporation (commonly referred to as IBM ) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries. (wikipedia)