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IBM-compatible mainframe

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IBM-compatible mainframe
A non-IBM mainframe that runs IBM mainframe operating systems and/or applications. In the late 1960s, RCA's computer division produced the Spectra 70, the first line of machines compatible with IBM's System/360. Later, Amdahl, National Semiconductor (marketed through Itel) and Hitachi entered this segment. Today, new IBM-compatible mainframes are no longer manufactured. Although servers from HP, Sun and others offer high-end, mainframe-like features, IBM is the only company making IBM mainframes. See HDS and Amdahl.

Hitachi's Skyline
Over the years, several companies offered products that ran IBM mainframe operating systems. This Skyline model from Hitachi could be configured with up to 512 channels and 16 ports into memory, providing enormous transaction processing throughput. (Image courtesy of Hitachi Data Systems.)


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TN3270 emulation is a communications standard that allows a remote terminal such as a Windows workstation to communicate with an IBM or IBM-compatible mainframe over IP.
The demand for the tServer products has exceeded our expectations, resulting in accelerated growth and our current position as the second largest IBM-compatible mainframe integrator in the U.
The demand for the tServer products has exceeded our expectations, resulting in accelerated growth and our current position as the second largest IBM-compatible mainframe integrator in the U.
 
 
 
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