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This chronology presents the mainframes starting from IBM 705 in 1954 to the latest IBM Z9-109 server. It covers the transition from wall-sized CPUs to hall-sized systems, the emergence of the T-system in 1959, and the advancements in mainframe technology with timelines ranging from the 1st to 3rd generations. It encapsulates the evolution from bulky consoles to modern multi-book design with enhanced performance, scalability, security, and virtualization capabilities. Explore the journey inside the mainframes data center and IBM's latest mainframe server.
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CHRONOLOGY OF MAINFRAMES PRESENTED BY MIMU DUTTA Perusing B.Tech in Computer Science & Engineering from Dr M.G.R Educational & Research Institute University, Chennai, India, currently 4th year, Registration number: 091061101058
IBM 705 (1954) First Generation Wall sized CPU Hall sized system King Size Console
Peripherals of the 1980’s Hard Disks - 4MB
Z9-109 server • 128K device addresses. • segregated processors such as SAPs, ICFs, IFLs, and zAAPs. • delivers enhancements in the areas of • performance, • Scalability • ,availability, • security and • virtualization • A modular multi-book design that supports one to four books and up to 54 processor units (customer-usable PUs) per server • Full 64-bit real and virtual storage support, and any logical partition can be defined for 31-bit or 64-bit addressability • Up to 512GB of system memory • Up to 60 logical partitions