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ALSO CALLED: Personal Computer Operating Systems, P/390
DEFINITION: The P/390 is basically an IBM mainframe system adapted to run on a personal computer. A P/390 comes on a single card that contains a System/390 instruction set, allowing operating systems such as OS/390, MVS, VM, and VSE, to be installed. The P/390 makes it possible to develop, test, and run application programs written for the mainframe on a smaller, more economical machine. After testing, programs  … 
Definition continues below.
PC Operating SystemsReports
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Nucleus RTOS
sponsored by Mentor Graphics
SOFTWARE DEMO: Complex microprocessors lie at the heart of every electronic device and embedded system in use today - from mobile phones to brain scanners. Such products demand sophisticated software to get the job done, and that's where operating systems come in.
Posted: 14 Apr 2009 | Premiered: 14 Apr 2009

Mentor Graphics

Optimizing PC Performance with Simple Benchmarking Processes
sponsored by Intel Corporation
WHITE PAPER: Check out this paper to learn how to enhance PC performance and overall IT efficiency by utilizing Intel's unique new platform performance benchmarking process.
Posted: 02 Apr 2009 | Published: 03 Nov 2008

Intel Corporation
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PC OPERATING SYSTEMS DEFINITION (continued): …  that require mainframe capability can be moved to the mainframe. A common use of the P/390 today is for 2000 analysis and testing. The P/390 is sold as part of a PC workstation that also comes with an OS/2 operating system. The entire product is called the IBM PC Server System/390. The MVS and OS/390 operating systems require 128 megabyes of RAM. VM and VSE will install with 32 megabytes.An R/390 is the P/390-PCI card installed on IBM's RS/6000 server. Both products are sold both as development environments and as economical approaches for companies with older mainframe systems to move their … 
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