Dell PowerVault 775N (Rackmount NAS Appliance) User Manual
Page 49

Abbreviation for revolutions per minute.
RAC
Abbreviation for remote access controller.
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.
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
Acronym for synchronous dynamic random-access memory.
sec
Abbreviation for second(s).
SEC
Abbreviation for single-edge contact.
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.
SMART
Acronym for Self-Monitoring Analysis and Reporting Technology. A technology that allows hard drives to report errors and
failures to the system BIOS, which then displays an error message on the screen. To take advantage of this technology, you
must have a SMART-compliant hard drive and the proper support in the system BIOS.
SMP