Glossary-7
PROM Programmable read-only memory. After the PROM has been programmed, it
cannot be reprogrammed. See flash PROM
R
registered DIMM A DIMM that includes a register buffer.
RISC Reduced instruction set computer. A computer using the RISC architecture.
S
SCSI Small computer system interface.
SDR Single data rate.
SDRAM Synchronous DRAM.
SEEPROM Serial electrically erasable programmable read only memory.
SMBus System management bus. The SMBus protocol is a subset of the I
2
C protocol.
smart card A card used for user authentication or storing individual user preferences.
snoop A search for the latest data in memory.
snoopy MOESI
protocol
Cache coherency protocol. Modified, owned, exclusive, shared, and invalid
(MOESI).
Southbridge ALI M1535D+ highly integrated system I/O chip. One of three I/O subsystem
bridge chips.
SPOR System power-on reset.
SPP Standard parallel port.
SRAM Static random access memory.
SunVTS A diagnostic application designed to test hardware.
superscalar A processor that can execute more than one instruction per cycle.
superuser A privileged account with unrestricted access to all files and commands.
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