Dell PowerEdge 2300 User's Guide - Page 158

Abbreviation for Synchronous Dynamic

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Abbreviation for ringer equivalence number. Abbreviation for radio frequency interference. Abbreviation for red/green/blue. Acronym for read-only memory. Your computer contains some programs essential to its operation in ROM code. Unlike RAM, a ROM chip retains its contents even after you turn off your computer. Examples of code in ROM include the program that initiates your computer's boot routine and the POST. Abbreviation for revolutions per minute. An I/O port used most often to connect a modem or a mouse to your computer. You can usually identify a serial port on your computer by its 9-pin connector. A computer's system and video BIOS code is usually stored on ROM chips. Shadowing refers to the performanceenhancement technique that copies BIOS code to faster RAM chips in the upper memory area (above 640 KB) during the boot routine. Abbreviation for static random-access memory. Because SRAM chips do not require continual refreshing, they are substantially faster than DRAM chips. SRAM is used mostly for external cache memory. Abbreviation for real-time clock. Batterypowered clock circuitry inside the computer that keeps the date and time after you turn off the computer. Abbreviation for super video graphics array. See also VGA. See parameter. 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 to one SCSI interface. Sync negotiation is a SCSI feature that allows the host adapter and its attached SCSI devices to transfer data in synchronous mode. Synchronous data transfer is faster than asynchronous data transfer. Abbreviation for SCSI device management system. The rules that dictate how you must type a command or instruction so that the computer will understand it. Abbreviation for Synchronous Dynamic Random Access Memory. Abbreviation for single-edge connector cartridge. Abbreviation for second(s). As the main circuit board, the system board usually contains most of your computer's integral components, such as the following: Microprocessor RAM Expansion-card connectors 12 Dell PowerEdge 2300 Systems User's Guide

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12
Dell PowerEdge 2300 Systems User’s Guide
5(1
Abbreviation for ringer equivalence
number.
5),
Abbreviation for radio frequency
interference.
5*%
Abbreviation for red/green/blue.
520
Acronym for read-only memory. Your
computer contains some programs es-
sential to its operation in ROM code.
Unlike RAM, a ROM chip retains its
contents even after you turn off your com-
puter. Examples of code in ROM include
the program that initiates your computer’s
boot routine and the POST.
USP
Abbreviation for revolutions per minute.
57&
Abbreviation for real-time clock. Battery-
powered clock circuitry inside the com-
puter that keeps the date and time after
you turn off the computer.
6&6,
Acronym for small computer system in-
terface. An I/O bus interface with faster
data transmission rates than standard
ports. You can connect up to seven devic-
es to one SCSI interface.
6’06
Abbreviation for SCSI device management
system.
6’5$0
Abbreviation for Synchronous Dynamic
Random Access Memory.
6(&&
Abbreviation for single-edge connector
cartridge.
VHF
Abbreviation for second(s).
VHULDO±SRUW
An I/O port used most often to connect a
modem or a mouse to your computer. You
can usually identify a serial port on your
computer by its 9-pin connector.
VKDGRZLQJ
A computer’s system and video BIOS
code is usually stored on ROM chips.
Shadowing refers to the performance-
enhancement technique that copies BIOS
code to faster RAM chips in the upper
memory area (above 640 KB) during the
boot routine.
65$0
Abbreviation for static random-access
memory. Because SRAM chips do not
require continual refreshing, they are sub-
stantially faster than DRAM chips. SRAM
is used mostly for external cache
memory.
69*$
Abbreviation for super video graphics
array. See also
VGA
.
VZLWFK
See
parameter
.
V\QF±QHJRWLDWLRQ
Sync negotiation is a SCSI feature that
allows the host adapter and its attached
SCSI devices to transfer data in synchro-
nous mode. Synchronous data transfer is
faster than asynchronous data transfer.
V\QWD[
The rules that dictate how you must type
a command or instruction so that the com-
puter will understand it.
V\VWHP±ERDUG
As the main circuit board, the system
board usually contains most of your com-
puter’s integral components, such as the
following:
²
Microprocessor
²
RAM
²
Expansion-card connectors