IBM mainframes

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IBM mainframes

Following is the IBM mainframe evolution starting with the System/360 introduced in 1964. The IBM mainframe is the longest running computer family in history. Although current IBM mainframes are vastly superior in technology to the System/360, they are highly compatible with it. Programs written for the System/360 more than four decades ago may still run on the latest models with only minor modifications.

Year               ModelIntro. Model       Numbers System/360

 1964  System/360  2020 to 2195


  System/370

 1970  System/370  3115 to 3168
 1977  System/370  3031, 3032, 3033
 1979  System/370  43xx
 1980  System/370  3081, 3083, 3084
 1981  XA/370      3081, 3083, 3084
 1986  XA/370      3090 series (120-600)
 1986  XA/370      9370 series
 1988  ESA/370     ES/3090 and ES/4381


       Model Numbers System/390(ESA/390 Environment)

 1990  ES/9000, 120 to 9X2
 1994  9672 Exx & Pxx, G1
 1994  9672 Rx1, G1
 1995  9672 Rx2,Rx3, G2
 1996  Multiprise 2000 (2003-xxx)
 1996  9672 Rx4, G3
 1997  9672 Rx5, G4
 1998  9672 Rx6-Yx6, G5
 1998  9672 Y56-YX6, G5 Turbo
 1999  9672 X17-XZ7, Z17-ZZ7, G6
 1999  7060-xxx Multiprise 3000, G5


       Model     Series System z(z/Architecture)

 2000   900      2064
 2002   800      2066
 2003   990      2084
 2005   z9 EC    2094
 2006   z9 BC    2096
 2008   z10 EC   2097
 2008   z10 BC   2098
 2010   z196     2817



An Earlier IBM Mainframe Installation
Even today, mainframes are hardly extinct. Organizations have billions of dollars invested in mainframe programming, and IBM has more than kept pace with advancements in semiconductor technology. (Image courtesy of IBM.)
References in periodicals archive ?
Two new desktops -- the XPS(TM) 410 and Dimension(TM) 9200 -- and the Dell Precision(TM) 390 Workstation offer custom-built configurations including Intel(R) Core(TM) 2 Duo and Extreme processors to deliver dramatic performance improvements for applications ranging from 3-D entertainment to 3-D engineering design.
The Precision 390 Workstation can deliver improvements up to 63 percent in compute performance, up to 56 percent in application benchmarks and up to 88 percent in graphics performance for computer-aided design (CAD), architectural engineering and digital content creation versus the comparable Extreme Edition processor on the Dell Precision 380(b).
The Dell Precision 390 continues Dell's drive to deliver maximum performance for the price, complementing the recently announced Dell Precision 690 and 490 desktop workstations.
The Dell Precision 390 also incorporates an improved chassis that provides excellent flexibility for deployment or redeployment.
will distribute the SpaceFinder family of System 390 and zSeries storage-management products in Japan.
Founded in 1994, SoftPlex is a major distributor of MVS, System 390, and zSeries solutions in Japan.
Worldwide, there are more than 10,000 large System 390 and zSeries shops that we plan to target with our functionally superior storage management solutions.
We are excited about working with TeraCloud as we aim to offer our customers a full product lineup of MVS, System 390, and zSeries solutions, and their superior products fit our profile," said Mr.
NASDAQ-NMS: VFIC) today announced the OMNI(TM) 390 transaction system for retail point-of-service (POS) applications.
In addition, the OMNI 390 supports split-dialing, which permits merchants to directly access both asynchronous and synchronous payment networks from a single system.
Along with its advanced features -- including split-dialing, debit support and electronic draft capture -- the OMNI 390 sets a new standard for ease of use with its friendly display and keypad.
Like an ATM, the menu-driven OMNI 390 steps the user through each operation.