Dell GX520 - OptiPlex - 512 MB RAM User's Guide Page 48
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N
network adapter — A chip that provides network capabilities. A computer may include a network adapter on its system board, or it may contain a PC Card with
an adapter on it. A network adapter is also referred to as a NIC (network interface controller).
NIC — See network adapter.
notification area — The section of the Windows taskbar that contains icons for providing quick access to programs and computer functions, such as the clock,
volume control, and print status. Also referred to as system tray.
ns — nanosecond — A measure of time that equals one billionth of a second.
NVRAM — nonvolatile random access memory — A type of memory that stores data when the computer is turned off or loses its external power source. NVRAM
is used for maintaining computer configuration information such as date, time, and other system setup options that you can set.
O
optical drive — A drive that uses optical technology to read or write data from CDs, DVDs, or DVD+RWs. Example of optical drives include CD drives, DVD
drives, CD-RW drives, and CD-RW/DVD combo drives.
P
parallel connector — An I/O port often used to connect a parallel printer to your computer. Also referred to as an LPT port.
partition — A physical storage area on a hard drive that is assigned to one or more logical storage areas known as logical drives. Each partition can contain
multiple logical drives.
PC Card — A removable I/O card adhering to the PCMCIA standard. Modems and network adapters are common types of PC Cards.
PCI — peripheral component interconnect — PCI is a local bus that supports 32-and 64-bit data paths, providing a high-speed data path between the
processor and devices such as video, drives, and networks.
PCMCIA — Personal Computer Memory Card International Association — The organization that establishes standards for PC Cards.
PIN — personal identification number — A sequence of numerals and/or letters used to restrict unauthorized access to computer networks and other secure
systems.
PIO — programmed input/output — A method of transferring data between two devices through the processor as part of the data path.
pixel — A single point on a display screen. Pixels are arranged in rows and columns to create an image. A video resolution, such as 800 x 600, is expressed as
the number of pixels across by the number of pixels up and down.
Plug-and-Play — The ability of the computer to automatically configure devices. Plug and Play provides automatic installation, configuration, and compatibility
with existing hardware if the BIOS, operating system, and all devices are Plug and Play compliant.
POST — power-on self-test — Diagnostics programs, loaded automatically by the BIOS, that perform basic tests on the major computer components, such as
memory, hard drives, and video. If no problems are detected during POST, the computer continues the start-up.
- Mini Tower Computer 1
- Desktop Computer 1
- Small Form Factor Computer 1
- Advanced Features 2
- Security 3
- Password Protection 3
- System Password 4
- Administrator Password 5
- System Setup 6
- System Setup Options 7
- Boot Sequence 9
- Booting to a USB Device 10
- Clearing CMOS Settings 12
- Hyper-Threading 12
- Power Management 13
- Battery 14
- Before You Begin 16
- Chassis Intrusion Switch 20
- Cleaning Your Computer 23
- Desktop Computer 26
- Finding Information 27
- Operating System CD 28
- Getting Help 30
- Problems With Your Order 31
- Product Information 31
- Before You Call 32
- Contacting Dell 32
- Glossary 41
- Memory 53
- Removing Memory 54
- Mini Tower Computer 59
- PCI Express Cards 67
- Removing a PCI Express Card 69
- Removing a Hard Drive 76
- Adding a Second Hard Drive 78
- Drive-Panel Inserts 79
- Power Supply 101
- DC Power Connectors 102
- DC Power Connector P2 103
- DC Power Connector P4 103
- DC Power Connector P7 103
- FCC Notices (U.S. Only) 109
- Drivers 113
- Creating a Restore Point 114
- Before You Begin 115
- Reinstalling Windows XP 116
- Removing the System Board 118
- Desktop System Board Screws 119
- Replacing the System Board 120
- Desktop Computer 121
- Back View 122
- Back-Panel Connectors 122
- Inside Your Computer 123
- System Board Components 124
- Jumper Settings 124
- PCI Cards 126
- Removing a PCI Card 127
- Serial Port Adapters 132
- Drives 136
- CD/DVD Drive 137
- Installing a CD/DVD Drive 138
- Floppy Drive 139
- Installing a Floppy Drive 140
- Hard Drive 141
- Installing a Hard Drive 142
- I/O Panel 144
- Processor 146
- Installing the Processor 147
- DC Power Connector P3 152
- DC Power Connector P5 and P6 152
- Back to Contents Page 157
- Front View 158
- PCI Cards 163
- Abbreviations and Acronyms 185
- Small Form Factor Computer 185
- Solving Problems 186
- Keyboard Problems 187
- A program stops responding 188
- A program crashes repeatedly 188
- A solid blue screen appears 188
- Memory Problems 189
- Mouse Problems 189
- Network Problems 190
- Power Problems 190
- Printer Problems 191
- Restoring Default Settings 192
- Sound and Speaker Problems 192
- Video and Monitor Problems 193
- Mini Tower Computer 204
- Dell Diagnostics 206
- System Lights 207
- Diagnostic Lights 208
- Beep Codes 209
- Error Messages 210
- Microsoft 212
- Windows 212
- Warranty 223
- Adding User Accounts 225
- Fast User Switching 225
- Network Setup Wizard 225
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