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Plug Compatible Manufacturer

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(company)Plug Compatible Manufacturer - (PCM) A manufacturer of equipment that some other manufacturer's system can identify and work with. The PCM's device replaces the original manufacturer's.

Most PCMs competed with IBM. PCM devices normally offer a cost-performance benefit over the original device. For example, several PCM versions of the Direct-Access Storage Device IBM 3350 offered twice the storage and improved data access (dual port).

Plug compatible devices include replacement CPUs, such as the Hitachi 7/90 series (which could be substituted for IBM 3090 series processors), I/O subsystems, and dumb terminals like the IBM 3270.



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The supported environments include: -- Channel-attached IBM(r) and Plug Compatible Manufacturers (PCM) Mainframe Systems -- SCSI-attached open systems -- Network-attached workstations and PC clients -- MEMORY CHANNEL(tm)-attached Encore Infinity 90(tm) Decision Support Platforms Users supporting both mainframes and open systems now have a unique method for sharing mainframe storage and data with open systems.
 
 
 
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