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A pair of IBM mainframes. On the left is the IBM z13 (while the naming was changed, the z13 line had a zSystems label on doors). On the right is the IBM LinuxONE Rockhopper. IBM Z [1] is a family name used by IBM for all of its z/Architecture mainframe computers.
A single-frame IBM z15 mainframe. Larger capacity models can have up to four total frames. This model has blue accents, as compared with the LinuxONE III model with orange highlights. A pair of IBM mainframes. On the left is the IBM z Systems z13. On the right is the IBM LinuxONE Rockhopper. An IBM System z9 mainframe
The z15 is a microprocessor made by IBM for their z15 mainframe computers, announced on September 12, 2019. [2] Description.
IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
Traditionally IBM Mainframe memory has been byte-addressable. This kind of memory is termed "Central Storage". IBM Mainframe processors through much of the 1980s and 1990s supported another kind of memory: Expanded Storage. It was first introduced with the IBM 3090 high-end mainframe series in 1985. [24] Expanded Storage is 4KB-page addressable.
IBM 2094 System z9, open front with one Support Element IBM 2094 System z9, rear IBM 2094 System z9, open rear. IBM System z9 is a line of IBM mainframe computers. The first models were available on September 16, 2005. The System z9 also marks the end of the previously used eServer zSeries naming convention. It was also the last mainframe ...
An IBM System Z10 mainframe computer on which z/OS can run. z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. [2] It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions.
IBM stated that it is the world's fastest microprocessor and is about 10% faster than its predecessor the zEC12 in general single-threaded computing, [3] but significantly more when doing specialized tasks. [4] The IBM z13 is the last z Systems server to support running an operating system in ESA/390 architecture mode. [5]