Filter
Top Products
Glossary 217
read-only file — A read-only file is one that you are prohibited from editing or
deleting.
ROM — Read-only memory. Your system contains some programs essential to its
operation in ROM code. 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.
ROMB — RAID on motherboard.
rpm — Revolutions per minute.
RTC — Real-time clock.
SAS — Serial-attached SCSI.
SATA — Serial Advanced Technology Attachment. A standard interface between the
system board and storage devices.
SCSI — Small computer system interface. An I/O bus interface with faster data
transmission rates than standard ports.
SDRAM — Synchronous dynamic random-access memory.
sec — 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 — A bar code label on the system used to identify it when you call Dell for
technical support.
simple disk volume — The volume of free space on a single dynamic, physical disk.
SMART — Self-Monitoring Analysis and Reporting Technology. Allows hard drives to
report errors and failures to the system BIOS and then display an error message on the
screen.
SMP — Symmetric multiprocessing. Used to describe a system that has two or more
processors connected via a high-bandwidth link and managed by an operating system,
where each processor has equal access to I/O devices.