Sun Microsystems SPARCstation 4, Руководство по обслуживанию

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Glossary-1
Glossary
address A location within a computer system memory. The word location is a synonym.
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 4 or SPARC Xterminal 1 system unit rear panel
where the AUI adapter cable is connected.
board See printed circuit board.
boot To load the system software into memory and start the system running.
boot PROM A specific PROM chip on the system board. This chip contains 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.
cables Wires or bundles of wires configured with connectors at each end and used
to connect two or more hardware devices.
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.
card See printed circuit board.
CPU Central processing unit.