Dell D630 Manual

							Appendix201
21
Appendix
FCC Notice (U.S. Only)
FCC Class B
This equipment generates, uses, and can radiate radio frequency energy and, if 
not installed and used in accordance with the manufacturer’s instruction 
manual, may cause interference with radio and television reception. This 
equipment has been tested and found to comply with the limits for a Class B 
digital device pursuant to Part 15 of the FCC Rules. 
This device complies with Part 15 of the FCC Rules. Operation is subject to the 
following two conditions: 
1This device may not cause harmful interference. 
2This device must accept any interference received, including interference 
that may cause undesired operation. 
 NOTICE: The FCC regulations provide that changes or modifications not expressly 
approved by Dell Inc. could void your authority to operate this equipment. 
These limits are designed to provide reasonable protection against harmful 
interference in a residential installation. However, there is no guarantee that 
interference will not occur in a particular installation. If this equipment does 
cause harmful interference with radio or television reception, which can be 
determined by turning the equipment off and on, you are encouraged to try to 
correct the interference by one or more of the following measures: 
• Reorient the receiving antenna.
• Relocate the system with respect to the receiver.
• Move the system away from the receiver.
• Plug the system into a different outlet so that the system and the receiver 
are on different branch circuits.  
						

							202Appendix
If necessary, consult a representative of Dell Inc. or an experienced 
radio/television technician for additional suggestions. 
The following information is provided on the device or devices covered in this 
document in compliance with the FCC regulations: 
• Product names: Dell™ Latitude™ D630 and Dell Latitude D630c
• Model number: PP24L
• Company name:
Dell Inc.
Worldwide Regulatory Compliance & Environmental Affairs
One Dell Way
Round Rock, TX 78682 USA
512-338-4400
 NOTE: For further regulatory information, see your Product Information Guide. 
Macrovision Product Notice
This product incorporates copyright protection technology that is protected by 
method claims of certain U.S. patents and other intellectual property rights 
owned by Macrovision Corporation and other rights owners. Use of this 
copyright protection technology must be authorized by Macrovision 
Corporation, and is intended for home and other limited viewing uses only 
unless otherwise authorized by Macrovision Corporation. Reverse engineering 
or disassembly is prohibited. 
						

							Glossary203
Glossary
Terms in this Glossary are provided for informational purposes only and may or 
may not describe features included with your particular computer.
A
AC — alternating current — The form of electricity that powers your computer when 
you plug the AC adapter power cable in to an electrical outlet.
ACPI — advanced configuration and power interface — A power management 
specification that enables Microsoft
® Windows® operating systems to put a computer 
in standby or hibernate mode to conserve the amount of electrical power allocated to 
each device attached to the computer.
AGP — accelerated graphics port — A dedicated graphics port that allows system 
memory to be used for video-related tasks. AGP delivers a smooth, true-color video 
image because of the faster interface between the video circuitry and the computer 
memory.
AHCI — Advanced Host Controller Interface — An interface for a SATA hard drive 
Host Controller which allows the storage driver to enable technologies such as Native 
Command Queuing (NCQ) and hot plug.
ALS — ambient light sensor.
antivirus software — A program designed to identify, quarantine, and/or delete viruses 
from your computer.
ASF — alert standards format — A standard to define a mechanism for reporting 
hardware and software alerts to a management console. ASF is designed to be 
platform- and operating system-independent.
B
battery life span — The length of time (years) during which a portable computer 
battery is able to be depleted and recharged.
battery operating time — The length of time (minutes or hours) that a portable 
computer battery powers the computer.
BIOS — basic input/output system — A program (or utility) that serves as an 
interface between the computer hardware and the operating system. Unless you 
understand what effect these settings have on the computer, do not change them. Also 
referred to as system setup. 
						

							204Glossary
bit — The smallest unit of data interpreted by your computer.
Bluetooth
® wireless technology — A wireless technology standard for short-range (9 
m [29 feet]) networking devices that allows for enabled devices to automatically 
recognize each other.
boot sequence — Specifies the order of the devices from which the computer 
attempts to boot.
bootable media — A DVD, CD, or floppy disk that you can use to start your 
computer. In case your hard drive is damaged or your computer has a virus, ensure that 
you always have bootable media available. Your Drivers and Utilities media is bootable 
media.
bps — bits per second — The standard unit for measuring data transmission speed.
BTU — British thermal unit — A measurement of heat output.
bus — A communication pathway between the components in your computer.
bus speed — The speed, given in MHz, that indicates how fast a bus can transfer 
information.
byte — The basic data unit used by your computer. A byte is usually equal to 8 bits.
C
C — Celsius — A temperature measurement scale where 0° is the freezing point and 
100° is the boiling point of water.
cache — A special high-speed storage mechanism which can be either a reserved 
section of main memory or an independent high-speed storage device. The cache 
enhances the efficiency of many processor operations.
L1 cache — Primary cache stored inside the processor.
L2 cache — Secondary cache which can either be external to the processor or 
incorporated into the processor architecture.
carnet — An international customs document that facilitates temporary imports into 
foreign countries. Also known as a merchandise passport.
CD-R — CD recordable — A recordable version of a CD. Data can be recorded only 
once onto a CD-R. Once recorded, the data cannot be erased or written over.
CD-RW — CD rewritable — A rewritable version of a CD. Data can be written to a 
CD-RW disc, and then erased and written over (rewritten).
CD-RW drive — A drive that can read CDs and write to CD-RW (rewritable CDs) 
and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple times, but 
you can write to CD-R discs only once. 
						

							Glossary205
CD-RW/DVD drive — A drive, sometimes referred to as a combo drive, that can read 
CDs and DVDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) 
discs. You can write to CD-RW discs multiple times, but you can write to CD-R discs 
only once.
clock speed — The speed, given in MHz, that indicates how fast computer 
components that are connected to the system bus operate. 
CMOS — A type of electronic circuit. Computers use a small amount of battery-
powered CMOS memory to hold date, time, and system setup options. 
COA — Certificate of Authenticity — The Windows alpha-numeric code located on a 
sticker on your computer. Also referred to as the Product Key or
Product ID.
Control Panel — A Windows utility that allows you to modify operating system and 
hardware settings, such as display settings.
controller — A chip that controls the transfer of data between the processor and 
memory or between the processor and devices.
CRIMM — continuity rambus in-line memory module — A special module that has 
no memory chips and is used to fill unused RIMM slots.
cursor — The marker on a display or screen that shows where the next keyboard, touch 
pad, or mouse action will occur. It often is a blinking solid line, an underline character, 
or a small arrow.
D
DDR SDRAM — double-data-rate SDRAM — A type of SDRAM that doubles the 
data burst cycle, improving system performance.
DDR2 SDRAM — double-data-rate 2 SDRAM — A type of DDR SDRAM that uses a 
4-bit prefetch and other architectural changes to boost memory speed to over 400 
MHz.
device — Hardware such as a disk drive, printer, or keyboard that is installed in or 
connected to your computer.
device driver — See driver.
DIMM — dual in-line memory module — A circuit board with memory chips that 
connects to a memory module on the system board.
DIN connector — A round, six-pin connector that conforms to DIN (Deutsche 
Industrie-Norm) standards; it is typically used to connect PS/2 keyboard or mouse 
cable connectors.
disk striping — A technique for spreading data over multiple disk drives. Disk striping  
						

							206Glossary
can speed up operations that retrieve data from disk storage. Computers that use disk 
striping generally allow the user to select the data unit size or stripe width. 
DMA — direct memory access — A channel that allows certain types of data transfer 
between RAM and a device to bypass the processor.
docking device — See APR.
DMTF — Distributed Management Task Force — A consortium of hardware and 
software companies who develop management standards for distributed desktop, 
network, enterprise, and Internet environments.
domain — A group of computers, programs, and devices on a network that are 
administered as a unit with common rules and procedures for use by a specific group 
of users. A user logs on to the domain to gain access to the resources.
DRAM — dynamic random-access memory — Memory that stores information in 
integrated circuits containing capacitors.
driver — Software that allows the operating system to control a device such as a 
printer. Many devices do not work properly if the correct driver is not installed in the 
computer.
DSL — Digital Subscriber Line — A technology that provides a constant, high-speed 
Internet connection through an analog telephone line. 
dual-core — A technology in which two physical computational units exist inside a 
single processor package, thereby increasing computing efficiency and multi-tasking 
ability.
dual display mode — A display setting that allows you to use a second monitor as an 
extension of your display. Also referred to as extended display mode.
DVD-R — DVD recordable — A recordable version of a DVD. Data can be recorded 
only once onto a DVD-R. Once recorded, the data cannot be erased or written over.
DVD+RW — DVD rewritable — A rewritable version of a DVD. Data can be written 
to a DVD+RW disc, and then erased and written over (rewritten). (DVD+RW 
technology is different from DVD-RW technology.)
DVD+RW drive — drive that can read DVDs and most CD media and write to 
DVD+RW (rewritable DVDs) discs.
DVI — digital video interface — A standard for digital transmission between a 
computer and a digital video display.
E
ECC — error checking and correction — A type of memory that includes special 
circuitry for testing the accuracy of data as it passes in and out of memory. 
						

							Glossary207
ECP — extended capabilities port — A parallel connector design that provides 
improved bidirectional data transmission. Similar to EPP, ECP uses direct memory 
access to transfer data and often improves performance.
EIDE — enhanced integrated device electronics — An improved version of the IDE 
interface for hard drives and CD drives.
EMI — electromagnetic interference — Electrical interference caused by 
electromagnetic radiation.
ENERGY STAR
® — Environmental Protection Agency requirements that decrease 
the overall consumption of electricity.
EPP — enhanced parallel port — A parallel connector design that provides 
bidirectional data transmission.
ESD — electrostatic discharge — A rapid discharge of static electricity. ESD can 
damage integrated circuits found in computer and communications equipment.
expansion card — A circuit board that installs in an expansion slot on the system 
board in some computers, expanding the capabilities of the computer. Examples 
include video, modem, and sound cards.
expansion slot — A connector on the system board (in some computers) where you 
insert an expansion card, connecting it to the system bus.
Express Service Code — A numeric code located on a sticker on your Dell™ 
computer. Use the Express Service Code when contacting Dell for assistance. Express 
Service Code service may not be available in some countries.
extended display mode — A display setting that allows you to use a second monitor as 
an extension of your display. Also referred to as dual display mode.
extended PC Card — A PC Card that extends beyond the edge of the PC Card slot 
when installed.
F
Fah re nhe it — A temperature measurement scale where 32° is the freezing point and 
212° is the boiling point of water.
FBD — fully-buffered DIMM — A DIMM with DDR2 DRAM chips and an 
Advanced Memory Buffer (AMB) that speeds communication between the DDR2 
SDRAM chips and the system.
FCC — Federal Communications Commission — A U.S. agency responsible for 
enforcing communications-related regulations that state how much radiation 
computers and other electronic equipment can emit.
fingerprint reader — A strip sensor that uses your unique fingerprint to authenticate  
						

							208Glossary
your user identity to help secure your computer. 
folder — A term used to describe space on a disk or drive where files are organized and 
grouped. Files in a folder can be viewed and ordered in various ways, such as 
alphabetically, by date, and by size.
format — The process that prepares a drive or disk for file storage. When a drive or 
disk is formatted, the existing information on it is lost.
FSB — front side bus — The data path and physical interface between the processor 
and RAM.
FTP — file transfer protocol — A standard Internet protocol used to exchange files 
between computers connected to the Internet.
G
G — gravity — A measurement of weight and force.
GB — gigabyte — A measurement of data storage that equals 1024 MB 
(1,073,741,824 bytes). When used to refer to hard drive storage, the term is often 
rounded to 1,000,000,000 bytes.
GHz — gigahertz — A measurement of frequency that equals one thousand million 
Hz, or one thousand MHz. The speeds for computer processors, buses, and interfaces 
are often measured in GHz.
graphics mode — A video mode that can be defined as x horizontal pixels by y vertical 
pixels by z colors. Graphics modes can display an unlimited variety of shapes and 
fonts.
GUI — graphical user interface — Software that interacts with the user by means of 
menus, windows, and icons. Most programs that operate on the Windows operating 
systems are GUIs.
H
hard drive — A drive that reads and writes data on a hard disk. The terms hard drive 
and hard disk are often used interchangeably.
heat sink — A metal plate on some processors that helps dissipate heat.
hibernate mode — A power management mode that saves everything in memory to a 
reserved space on the hard drive and then turns off the computer. When you restart 
the computer, the memory information that was saved to the hard drive is 
automatically restored.
HTTP — hypertext transfer protocol — A protocol for exchanging files between 
computers connected to the Internet.  
						

							Glossary209
Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. 
Computers and electronic devices are often measured in kilohertz (kHz), megahertz 
(MHz), gigahertz (GHz), or terahertz (THz).
I
iAMT — Intel® Active Management Technology — Delivers more secure systems 
management capabilities, regardless of whether the computer is turned on or off, or 
the operating system is not responding.
IC — integrated circuit — A semiconductor wafer, or chip, on which thousands or 
millions of tiny electronic components are fabricated for use in computer, audio, and 
video equipment. 
IDE — integrated device electronics — An interface for mass storage devices in which 
the controller is integrated into the hard drive or CD drive.
IEEE 1394 — Institute of Electrical and Electronics Engineers, Inc. — A high-
performance serial bus used to connect IEEE 1394-compatible devices, such as digital 
cameras and DVD players, to the computer. 
integrated — Usually refers to components that are physically located on the 
computer’s system board. Also referred to as built-in.
I/O — input/output — An operation or device that enters and extracts data from your 
computer. Keyboards and printers are I/O devices. 
I/O address — An address in RAM that is associated with a specific device (such as a 
serial connector, parallel connector, or expansion slot) and allows the processor to 
communicate with that device.
IRQ — interrupt request — An electronic pathway assigned to a specific device so 
that the device can communicate with the processor. Each device connection must be 
assigned an IRQ. Although two devices can share the same IRQ assignment, you 
cannot operate both devices simultaneously.
ISP — Internet service provider — A company that allows you to access its host server 
to connect directly to the Internet, send and receive e-mail, and access websites. The 
ISP typically provides you with a software package, user name, and access phone 
numbers for a fee. 
K
Kb — kilobit — A unit of data that equals 1024 bits. A measurement of the capacity of 
memory integrated circuits.
KB — kilobyte — A unit of data that equals 1024 bytes but is often referred to as 1000  
						

							210Glossary
bytes.
key combination — A command requiring you to press multiple keys at the same 
time.
kHz — kilohertz — A measurement of frequency that equals 1000 Hz.
L
LAN — local area network — A computer network covering a small area. A LAN 
usually is confined to a building or a few nearby buildings. A LAN can be connected to 
another LAN over any distance through telephone lines and radio waves to form a 
wide area network (WAN).
LCD — liquid crystal display — The technology used by portable computer and flat-
panel displays.
LED — light-emitting diode — An electronic component that emits light to indicate 
the status of the computer.
local bus — A data bus that provides a fast throughput for devices to the processor.
LPT — line print terminal — The designation for a parallel connection to a printer or 
other parallel device. 
M
Mb — megabit — A measurement of memory chip capacity that equals 1024 Kb.
Mbps — megabits per second — One million bits per second. This measurement is 
typically used for transmission speeds for networks and modems.
MB — megabyte — A measurement of data storage that equals 1,048,576 bytes. 1 MB 
equals 1024 KB. When used to refer to hard drive storage, the term is often rounded to 
1,000,000 bytes.
MB/sec — megabytes per second — One million bytes per second. This measurement 
is typically used for data transfer ratings.
media bay — A bay that supports devices such as optical drives, a second battery, or a 
Dell TravelLite™ module.
memory — A temporary data storage area inside your computer. Because the data in 
memory is not permanent, it is recommended that you frequently save your files while 
you are working on them, and always save your files before you shut down the 
computer. Your computer can contain several different forms of memory, such as 
RAM, ROM, and video memory. Frequently, the word memory is used as a synonym 
for RAM.