Users Guide

190 Glossary
RIMM
Acronym for Rambus In-line Memory Module, which is the Rambus equivalent
of a DIMM module.
RMI
Acronym for Remote Method Invocation. RMI is a part of the Java programming
language library that enables a Java program running on one system to access the
objects and methods of another Java program running on a different system.
ROM
Acronym for read-only memory. Your system contains some programs essential
to its operation in ROM code. Unlike RAM, a ROM chip retains its contents even
after you turn off your system. Examples of code in ROM include the program
that initiates your system's boot routine and the POST.
rpm
Abbreviation for revolutions per minute.
RPM
Abbreviation for Red Hat
®
Package Manager.
RTC
Abbreviation for real-time clock. Battery-powered clock circuitry inside the system
that keeps the date and time after you turn off the system.
SAN
Acronym for storage area network.
SAS
Acronym for Secure Authentication Services or Serial-attached SCSI. When referring
to security protocols or authentication, SAS is Secure Authentication Services. When
referring to computer peripheral devices that employ a serial (one bit at a time) means
of digital data transfer over thin cables, SAS is Serial-attached SCSI.
SCA
Abbreviation for single connector attachment.
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