Upgrading and Repairing PCs (17th Edition)

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

L-CHS parameters,

L1 cache [See Level 1 cache,.]

L2 cache [See Level 2 cache,.]

L3 cache, 2nd

Labtec Enterprises, Inc.,

Lakeport (945 Express family) chipsets,

LAN setting (BIOS),

Lancaster, Don,

lands

     CD-ROMs

     DVD discs

LANs (local area networks) [See also wireless networks,.]

     cables

         buying tips

         cable distance limitations

         Direct Cable Connection technology

         grounding loops

         installation

         Thicknet

         Thinnet

         twisted-pair

     client/server networks

     defined

     Ethernet

         cables

         defined

         Fast Ethernet

         Gigabit Ethernet

         hubs 2nd

         network adapter connectors

         switches 2nd

         Wi-Fi (Wireless Fidelity) 2nd

     gateways

     hardware and software requirements 2nd

     HomePNA

     hubs

         buying tips

         compared to switches

         dual-speed

         managed/unmanaged

         placement of

         ports

         stackable

     infrastructure mode

     network topologies

         bus

         comparison of

         ring

         star

     networking software

     NICs (network interface cards)

         bus types

         connectors

         costs

         full-duplex

         half-duplex

         installation

         speed

         testing

         Wi-Fi (Wireless Fidelity)

     peer-to-peer networks

     powerline networking

     protocols

         Ethernet

         IP (Internet Protocol)

         IPX (Internetwork Packet Exchange)

         NetBEUI

         TCP/IP 2nd

     recording information about

     switches

         address storing

         buying tips

         compared to hubs

         dual-speed

         placement of

         ports

         stackable

     tips and tricks

     Token-Ring

     troubleshooting

     wireless networks 2nd

         Bluetooth

         comparison of standards

         topologies

         Wi-Fi (Wireless Fidelity) 2nd

laplink cables,

laptops

     386SL

     keyboards

     Pentium II Mobile Module

     Wi-Fi (Wireless Fidelity)

Larson, Earl R.,

Laser Beam Recorder (LBR),

lasers,

latency,

     hard disk drives

     SDRAM (synchronous DRAM)

latent heat of evaporation,

layered architecture,

LBA (logical block address) addressing,

     BIOS commands

     compared to CHS (cylinder head sector)

     converting to CHS (cylinder head sector)

     LBA-assist translation

LBR (Laser Beam Recorder),

LCD (liquid crystal display) monitors

     active-matrix

     advantages of

     brightness and contrast

     buying tips

     compared to CRT

     costs

     dead pixels

     DFP (Digital Flat Panel)

     disadvantages of

     display connections

     flat-panel

     interlaced/noninterlaced

     monochrome

     passive-matrix

     polarizing filters

     projectors

     resolution

     subpixels

     wide-screen

lead-in areas

     CD-ROMs

     DVD discs

lead-out areas

     CD-ROMs

     DVD discs

leased lines

     choosing

     defined

     PoP (point of presence)

     T-1 connections

     T-3 connections

LED connectors,

legacy support,

     sound cards

     USB (Universal Serial Bus) 2nd

legacy-free PCs,

Lempel, Abraham,

letters (drive), assigning,

Level 0 (RAID),

Level 1 (RAID),

Level 1 cache, 2nd

     cache misses

     cache operation

     compared to Level 2 cache

     importance of

     NexGen Nx586 processors

     Pentium II processors

     Pentium Pro processors

     Pentium-MMX improvements

Level 2 (RAID),

Level 2 cache,

     cache operation

     compared to Level 1 cache

     Pentium II processors

     Pentium II/III Xeon processors

     Pentium III processors

     Pentium Pro processors

     Pentium processors

     performance and design

Level 3 (RAID),

Level 3 cache, 2nd

Level 4 (RAID),

Level 5 (RAID),

Level 6 (RAID),

level-sensitive interrupts,

Lexar Memory Stick Pro,

LFX12V power supply,

LG Electronics,

LGA775 sockets, 2nd

LIM (Lotus Intel Microsoft),

line conditioners,

line regulation,

line-in sound card connectors,

line-of-sight issues,

line-out sound card connectors,

linear density,

linear power supply,

Linear Tape-Open (LTO),

Linear Technology,

linear voice-coil actuators,

linking systems

     parallel ports

     USB ports

liquid cooling

     heat pipes

     refrigeration

     water cooling

Lisa computers, 2nd

lithium coin cell batteries,

LLF [See low-level formatting,.]

LMS,

load regulation,

load/unload head mechanism,

loading coils,

loading mechanisms (CD/DVD drives),

loads (power supply), 2nd

local area networks [See LANs (local area networks).]

local buses [See buses,.]

lockups, troubleshooting, 2nd 3rd 4th

logging events,

logic boards, 2nd

logic probes,

logic pulsers,

logical block address [See LBA (logical block address) addressing,.]

logical formatting [See low-level formatting,.]

logical mapping,

logical memory,

     conventional memory

     UMA (Upper Memory Area)

         adapter ROM

         host adapter BIOS

         IPL ROM

         motherboard BIOS

         shared memory

         VGA memory

         video adapter BIOS

         video RAM

     XMS (Extended Memory Specification)

logical ring topology,

Logitech

     contact information

     mouse devices

longitudinal density,

loopback connectors,

loopback testing,

Lotus Intel Microsoft (LIM),

low profile form factor (LFX12V) power supply,

low volume, troubleshooting,

low-level formatting,

     ATA (AT Attachment)

     nondestructive formatters

     SCSI (small computer systems interface)

     standard recording

     ZBR (zoned-bit recording)

low-pass filters,

low-temperature polysilicon (p-Si),

LPX motherboards,

     connectors

     dimensions

     expansion slots

     identifying

     LPX-compatible products

     power supply

     power supply connectors

     riser cards

     upgrading

LTO (Linear Tape-Open),

lubricants,