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 4 system unit rear panel where the AUI adapter
cable is connected.
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.
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, and provides that 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.
Ecache
External cache. Cache that is located external to the microprocessor. See also
cache.
Summary of Contents for SPARCstation 4 110
Page 24: ...1 6 SPARCstation 4 Model 110 Service Manual July 1996...
Page 36: ...2 12 SPARCstation 4 Model 110 Service Manual July 1996...
Page 46: ...3 10 SPARCstation 4 Model 110 Service Manual July 1996...
Page 108: ...10 4 SPARCstation 4 Model 110 Service Manual July 1996...
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Page 150: ...A 4 SPARCstation 4 Model 110 Service Manual July 1996...
Page 160: ...B 10 SPARCstation 4 Model 110 Service Manual July 1996...
Page 174: ...Glossary 4 SPARCstation 4 Model 110 Service Manual July 1996...