Glossary-1
Glossary
address A location within a computer system memory. Reference is usually made to an
address for the purpose of retrieving or storing information.
A RMS Amperes root mean square. RMS is often used in power measurements for
electronic equipment.
attachment unit
interface (AUI) port The port on the SPARCstation 5 system unit where the AUI adapter cable
is connected.
boot To load the system software into memory and start the system running.
boot PROM A PROM chip on the system board that contains the boot code and a FORTH
Monitor program. The boot PROM is connected to the I/O data bus.
boot PROM
diagnostics The diagnostic firmware contained in the boot PROM. These diagnostics
include the Power-On Self-Test (POST) and on-board diagnostics.
buffer The auxiliary data-storage device that holds data temporarily, and that may
also perform other functions in conjunction with various I/O machines.
cache A mechanism for accelerating a microprocessor performance. A cache is a
small, fast memory between the microprocessor and main memory. It stores the
most recently used information (data, instructions, etc.), and provides such
information again to the microprocessor more rapidly than could main
memory.
CRU Customer-replaceable unit.
DMA Direct memory access.
DRAM Dynamic random access memory.
DSIMM DRAM single in-line memory module. A small printed circuit card that
contains dynamic random access memory (DRAM) chips.
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