z/Architecture, initially and briefly called ESA Modal Extensions (ESAME), is IBM's 64-bit complex instruction set computer (CISC) instruction set architecture...

IBM Z is a family name used by IBM for all of its z/Architecture mainframe computers. In July 2017, with another generation of products, the official family...

z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. It derives from and is the successor to OS/390...

IBM released z/VM Version 7.3 which requires z/Architecture, implemented in IBM's EC12, BC12 and later models. OpenSolaris for System z PR/SM Time-sharing...

one) for a total of 32 bits. In the present instances of the architecture (z/Architecture), the instruction address is 64 bits and the PSW itself is 128...

2015, Linux on IBM Z is only available as a 64-bit operating system compatible with z/Architecture mainframes. Previously, Linux on IBM Z was also available...

IBM System/360 architecture, the base address is a 24-bit value in a general register (extended in steps to 64 bits in z/Architecture), and the offset...

System/370 architecture and System/390 architecture, there are 8-bit bytes, 16-bit halfwords, 32-bit words and 64-bit doublewords. The z/Architecture, which...

pertains to location 0-4095. "Prefixing in the z/Architecture Architectural Mode" (PDF). z/Architecture Principles of Operation (PDF) (Fourteenth ed.)...

read/write/execute pages. As of the twelfth edition of the z/Architecture Principles of Operation, z/Architecture processors may support the Instruction-Execution...

reducing clock speed; instead it inserts sleep state instructions. z/Architecture IBM Z Mainframe computer Hudson, Andrew (24 July 2023). "The IBM mainframe:...

System/390 was replaced with the zSeries (now called IBM Z). The zSeries mainframes introduced the 64-bit z/Architecture, the most significant design improvement...

and the System/370 architecture last used in the IBM 9370 low-end mainframe. ESA/390 was succeeded by the 64-bit z/Architecture in 2000. On September...

instruction set architectures that have been retroactively labeled CISC are System/360 through z/Architecture, the PDP-11 and VAX architectures, and many others...

uses z/Architecture 64-bit addressing and therefore requires an IBM System z mainframe. Because the port depends on recently defined z/Architecture processor...

features to the architecture, e.g., DAS, S/370-XA, S/370-ESA, ESA/390, they added additional fields to the control registers. With z/Architecture, IBM doubled...

support two-way simultaneous multithreading. The cores implement the CISC z/Architecture with a superscalar, out-of-order pipeline. New in z15 is an on-chip...

instance of CMS. The IBM Z family, introduced in 2000 with the z900, supports z/Architecture, which extends the architecture used by the System/390 mainframes...

register in the x86 architecture, flags in the program status word (PSW) register in the IBM System/360 architecture through z/Architecture, and the application...

instruction set architectures in both their 32-bit and 64-bit editions; it has additionally been ported to PowerPC, and to IBM ESA/390 and z/Architecture, for use...

processors use the big-endian format. Solely big-endian architectures include the IBM z/Architecture and OpenRISC. The Datapoint 2200 used simple bit-serial...

This page is a glossary of architecture. Contents Top A B C D E F G H I J K L M N O P Q R S T U V W Z See also Notes References Abacus A flat slab forming...

its first 64-bit z/Architecture mainframe, the zSeries z900. z/Architecture is a 64-bit version of the 32-bit ESA/390 architecture, a descendant of the...

quad-core z/Architecture processor, released in 2008. z196, a quad-core z/Architecture processor, released in 2010. zEC12, a six-core z/Architecture processor...

In computer science, an instruction set architecture (ISA) is an abstract model that generally defines how software controls the CPU in a computer or a...

flagged by the assembler if exceeded). This example is for IBM/360 or Z/Architecture assemblers and assumes a field of 100 bytes (at offset zero) is to be...

convention, such as on the IBM System/360 through z/Architecture architecture and RISC architectures, or it may be a register that procedure call and return...

CPU-level instructions are not proxied or executing against an emulated architecture since the guest OS or hardware is providing the environment for the applications...

The Open Systems Adapter (OSA) is a network controller for IBM z/Architecture, ES/9000 and S/390 mainframes. The OSA can be installed in a mainframe I/O...

A22-6821-7. IBM Enterprise Systems Architecture/370 Principles of Operation (PDF). IBM. August 1988. SA22-7200-0. z/Architecture Principles of Operation (PDF)...