Glossary 185ROM — Read-only memory. Your system contains some programs essential to itsoperation in ROM code. A ROM chip retains its contents even after you turn off yoursystem. Examples of code in ROM include the program that initiates your system’sboot routine and the POST.ROMB — RAID on motherboard.SAN — Storage Area Network. A network architecture that enables remote network-attached storage devices to appear to a server to be locally attached.SAS — Serial-attached SCSI.SATA — Serial Advanced Technology Attachment. A standard interface between thesystem board and storage devices.SCSI — Small computer system interface. An I/O bus interface with faster datatransmission rates than standard ports.SD card — Secure digital flash memory card.SDRAM — Synchronous dynamic random-access memory.sec — Second(s).serial port — A legacy I/O port with a 9-pin connector that transfers data one bit at atime and is most often used to connect a modem to the system.service tag — A bar code label on the system used to identify it when you call Dell fortechnical support.SMART — Self-Monitoring Analysis and Reporting Technology. Allows hard drives toreport errors and failures to the system BIOS and then display an error message on thescreen.SMP — Symmetric multiprocessing. Used to describe a system that has two or moreprocessors connected via a high-bandwidth link and managed by an operating system,where each processor has equal access to I/O devices.SNMP — Simple Network Management Protocol. A standard interface that allows anetwork manager to remotely monitor and manage workstations.striping — Disk striping writes data across three or more disks in an array, but onlyuses a portion of the space on each disk. The amount of space used by a "stripe" is thesame on each disk used. A virtual disk may use several stripes on the same set of disksin an array. See also guarding, mirroring, and RAID.SVGA — Super video graphics array. VGA and SVGA are video standards for videoadapters with greater resolution and color display capabilities than previous standards.
