Acronyms

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Acronyms used in the description of Norsk Data computers. This page lists some of the forgotten acronyms that makes it easier to read ND-documentation.

BRF

BRF, Binary Relocatable Format (main article: Binary Relocatable Format), compiled NORD-10/ND-100 program code in a form that can be loaded anywhere in memory. See NRL or BRF Linker.

DMA

DMA, Direct Memory Access, allows hardware subsystems to access main memory independent of the CPU[1].

HDLC

HDLC, High-Level Data Link Control. Asynchronous serial OSI level 2 protocol supported by several Norsk Data I/O cards.

NRF

NRF, ND Relocatable Format (main article: ND Relocatable Format), compiled ND-500(0) program code in a form that can be loaded anywhere in memory. See ND Linker.

MPM

MPM, Multi Port Memory, a Norsk Data memory subsystem (various revisions) designed for multi-CPU systems like the NORD-50, ND-500, ND-5000.

PIOC

PIOC, Programmable Input Output Controller, a term used about several Norsk Data I/O cards, e.g. 3108.

PIT

PIT, hardware Page Index Table. See Memory Management System.

SMD

SMD, Storage Module Driver, one of the types of disks used by ND computers.

TPS

Transaction Processing System, a transaction system handling transactions between I/O devices and programs. See TPS.

TRUE

TRransaction User Environment, a transaction monitor, network control and recovery system for databases. See TRUE.

References

  1. Wikipedia:Direct memory access