A non-IBM mainframe that runs IBM mainframe operating systems and applications. In the late 1960s, RCA's computer division produced the Spectra 70, the first line of machines compatible with IBM's ...

IBM spin-off Kyndryl says in its second State of Mainframe Modernization survey that big iron has become the cornerstone of a hybrid IT strategy supporting the most mission-critical workloads ...

The zEnterprise BladeCenter Extension, or zBX, extends System z mainframe qualities of service and management capabilities across a set of integrated, fit-for-purpose POWER7 and IBM System x x86 ...