User's Manual

Glossary 231
RIMM
Acronym for Rambus In-line Memory Module, which is the Rambus equivalent
of a DIMM module.
ROM
Acronym for read-only memory. Your computer contains some programs essential
to its operation in ROM code. Unlike RAM, a ROM chip retains its contents even
after you turn off your computer. Examples of code in ROM include the program
that initiates your computer's boot routine and the POST.
ROMB
Acronym for RAID on motherboard. When a RAID controller is integrated into
a computer’s system board, the system has ROMB technology.
RPM
Abbreviation for revolutions per minute.
RTC
Abbreviation for real-time clock. Battery-powered clock circuitry inside the
computer that keeps the date and time after you turn off the computer.
SAS
Acronym for Serial Attached SCSI.
SCA
Acronym for single connector attachment.
schema
A collection of class definitions that describes managed objects in a particular
environment. A CIM schema is a collection of class definitions used to represent
managed objects that are common to every management environment, which is
why CIM is called the Common Information Model.
SCSI
Acronym for small computer system interface. An I/O bus interface with faster
data transmission rates than standard ports. You can connect up to seven devices
(15 for some newer SCSI types) to one SCSI interface.
SDMS
Abbreviation for SCSI device management system.