Sun Microsystems SPARCstation 5 Service Manual page 201

Monitor (1)
Monitor (2)
MMU
NVRAM
On-Board Diagnostics
Pok
POST
PROM
RAM
ROM
SBus card
SCC
SCSI
Indicated by the > prompt. From the > prompt, you can boot the system,
continue the execution of a halted program, or enter the FORTH Toolkit.
A video display unit that is part of the SPARCstation 5 system.
Memory management unit.
Nonvolatile ram.
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.
Power ok. A signal from the power supply that is activated after DC voltages
have risen.
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.
Programmable read only memory.
Random access memory.
Read only memory.
A printed circuit board installed in an SBus slot of the system unit.
Serial communications controller.
Small computer system interface; pronounced "scuzzy."
Glossary-3