Surge protectors, 330
Surge suppressors, 330-331, 596, 604-607
Switchbox, parallel port printer connection, 435
Switches (networking), 522
Symmetric Multiprocessing, 56
Synchronous cache, 163
Synchronous communications, 488-489
Synchronous DRAM (SDRAM), 266
Synchronous Graphics RAM (SGRAM), 147, 267
System board, 72
System boot sequence, 110-112
System bus interface, 186
System case, 21, 339-366, 352-353
auxiliary fans, 363-364
cleaning and maintenance, 587-589
components, 340, 342-352
cooling vents, 365
and ESD protection, 318
features, 358-366
form factors, 340, 357-358
I/O templates, 359-362
LEDs, 364-365
mounting hardware, 365-366
power supply and, 323, 363
styles, 352-358
valuable functions of, 341
System clock jumpers, 627
System configuration data, 116-118, 121-127
System device list, Windows Device
Manager, 93-94
System fan, 51
System Information window (Windows), 638
System Properties window IRQ settings, 284-285
System resource settings, 243, 247, 281-310
System speakers, 20, 364
System Tools (Windows Accessories), 591
System unit, 16
Systems and components overview, 15-22 T
Tablets, 566
Tag RAM, 162
TCO standards for CRT emissions, 400
TCP/IP (Transmission Control
Protocol/Internet Protocol), 526, 531
Teleconferencing systems, 561-562
Teletype terminals, 402-403
Temporary storage, 170
Terabyte, 59
Terminals (mainframe), 5
Testing laboratory safety approvals, 328
Texels, 272
Thermal grease, 53
Thermal inkjet technology, 415-416
Thermal printers, 433-434Thin film media, 175
Thin film transistors (TFT), 393
Third-generation processor, 88
Third-party DMA, 306
3D audio files, 553
3D graphics, 255-256, 265-266, 270-274
3D pipeline, 270
3DNow, 64
Threshold matrix (color halftoning), 421
Touchpads, 19, 471
Tower computers, 16, 352-356
Trackballs, 472
Tracks (disk), 187-188
Transactional cache, 164
Transfer protocols (data), 186
Transforms, 254, 271
Transistors, 27, 36, 40, 47, 317
Transmissive LCD, 391
TrueType fonts, 410
TTY printer, 402
TUV testing laboratory, 328-329
Twisted nematic (TN) crystals, 390, 393
Twisted pair cabling/wiring, 515, 518-520
Two-chi pchi pset, 87
2D graphics images, 256, 264-265
Two-state logic, 40-41
Typefaces, 409 U
UARTs, 92, 486-488
UL (Underwriters’ Laboratory), 328-329
Ultra DMA (UDMA), 307
UMA (Unified Memory Architecture), 102, 260
Uncached memory, 161
Universal Serial Bus (USB), 90-91
UNIX File system/Linux File System, 193
Unshielded twisted pair wire (UTP), 515, 518
Upper memory area, 148, 260
UPS (uninterruptible power supply), 330-335,
436, 596, 609-613
USB (Universal Serial Bus), 229-232, 434-435,
463-464, 493-496
User password, 125
UVGA (Ultra VGA), 380 V
Vector graphic monitors, 389
Vector graphics, 386-389
Very Low Frequency (VLF) radiation, 400
VESA local bus (VL bus), 223, 226
VESA (Video Electronics Standards
Association), 90, 258, 380
VFAT (Virtual File Allocation Table), 193(^650) PC Hardware: A Beginner’s Guide