Dell PowerEdge 350 User Manual page 53

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initiates your system's boot routine and
the POST.
rpm
Abbreviation for revolutions per minute.
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.
SDRAM
Abbreviation for synchronous dynamic
random-access memory.
SEC
Abbreviation for single-edge contact.
sec
Abbreviation for second(s).
serial port
An I/O port used most often to connect a
modem or a mouse to your system. You
can usually identify a serial port on your
system by its 9-pin connector.
SNMP
Abbreviation for Simple Network Man-
agement Protocol.
switch
See parameter.
system board
As the main circuit board, the system
board usually contains most of your sys-
tem's integral components, such as the
following:
•
Microprocessor
•
RAM
•
Expansion-card connectors
•
Controllers for standard peripheral
devices such as the keyboard
•
Various ROM chips
Frequently used synonyms for system
board are motherboard and logic board.
system diskette
System diskette is a synonym for boota-
ble diskette.
system memory
System memory is a synonym for RAM.
System Setup program
System Setup program options allow you
to configure your system's hardware.
Some options in the System Setup pro-
gram require that you reboot the system
to effect a hardware-configuration
change. Because the System Setup pro-
gram is stored in NVRAM, any options
that you set remain in effect until you
change them again.
TCP/IP
Abbreviation for Transmission Control
Protocol/Internet Protocol.
terminator
Some devices, especially disk drives, con-
tain a terminator to absorb and dissipate
excess current. When more than one
such device is connected in a series, you
may need to remove the terminator—or
change a jumper setting to disable it—
unless it is the last device in the series.
However, some devices have terminators
that should never be removed or disabled.
UPS
Abbreviation for uninterruptible power
supply. A battery-powered unit that auto-
matically supplies power to your system
in the event of an electrical failure.
USB
Abbreviation for Universal Serial Bus.
utility
A program used to manage system
resources—memory, disk drives, or print-
ers, for example. The diskcopy command
for duplicating diskettes and the
himem.sys device driver for managing
extended memory are utilities included in
MS-DOS.
V
Abbreviation for volt(s).
Glossary 7