Dell PowerVault 715N User Manual page 28

RAM
Acronym for random-access memory. The system's primary temporary storage area for program instructions and data.
Each location in RAM is identified by a number called a memory address. Any information stored in RAM is lost when you
turn off your system.
RAS
Abbreviation for remote access services.
readme file
A text file included with a software package or hardware product that contains information supplementing or updating the
documentation for the software or hardware. Typically, readme files provide installation information, describe new product
enhancements or corrections that have not yet been documented, and list known problems or other things you need to be
aware of as you use the software or hardware.
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.
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.
SDRAM
Abbreviation for synchronous dynamic random-access memory.
sec
Abbreviation for second(s).
serial port
An I/O port used most often to connect a modem to your system. You can usually identify a serial port on your system by
its 9-pin connector.
service tag number
A bar code label on the system that identifies it when you call Dell for customer or technical support.
SIMM
Acronym for single in-line memory module. A small circuit board containing DRAM chips that connects to the system
board.
SMP