Dell PowerEdge 2500SC - Manual (Page 13)

RAID
redundant arrays of independent disks
RAM
random-access memory
RAMDAC
random-access memory digital-to-analog converter
RCU
Resource Configuration Utility
REN
ringer equivalence number
RFI
radio frequency interference
RGB
red/green/blue
ROM
read-only memory
rpm
revolutions per minute
RTC
real-time clock
SCA
Single Controller Architecture
SCSI
small computer system interface
SDS
Scalable Disk System
sec
second(s)
SEC
single-edge contact
SDRAM
synchronous dynamic random-access memory
SIMM
single in-line memory module
SMB
server management bus
SNMP
Simple Network Management Protocol