Glossary-3
Monitor (1)
Indicated by the > prompt. From the > prompt, you can boot the system,
continue the execution of a halted program, or enter the FORTH Toolkit.
Monitor (2)
A video display unit that is part of the SPARCstation 5 system.
MMU
Memory management unit.
NVRAM
Nonvolatile ram.
On-Board Diagnostics
A test that allows you to test the control registers, the network controller,
the diskette drive system, memory, the cache, the system clock, and watch the
network for valid packets.
Pok
Power ok. A signal from the power supply that is activated after DC voltages
have risen.
POST
Power-On Self-Test. The POST runs when you turn on the system power
switch or reboot the system and press and hold the L1-d keys. The POST,
stored in the boot PROM, is a series of rudimentary tests designed to verify
that the major components on the system board are working properly.
PROM
Programmable read only memory.
RAM
Random access memory.
ROM
Read only memory.
SBus card
A printed circuit board installed in an SBus slot of the system unit.
SCC
Serial communications controller.
SCSI
Small computer system interface; pronounced “scuzzy.”
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