Index_U

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U

UDMA (Ultra Direct Memory Access) speed ratings, 118, 129

mixing drives with different ratings, 150

UltraATA. See UDMA (Ultra Direct Memory Access) speed ratings

Ultra Direct Memory Access (UDMA) speed ratings, 118, 129, 150

Unicore.com, 79

Uninstallation of programs, 20–21

Universal Serial Bus (USB) ports and drives, 88–89, 138–139

Updates, 54–55

Service packs, 24

web address for, 54

Windows upgrades, 244

WINNT32 for, 317

UPS (Uninterruptible power supply), 6, 8, 61–62

BIOS updates and, 80

USB drives and ports, 88–89, 138–139, 263

Usenet groups, 240

Utilities

Automated System Restore (XP Professional), 261

Emergency Repair Process, 255–257

Last Known Good (LKG) Configuration, 252–255

Recovery Console, 259–260

Registry repairs, 248–249

Restoration of System State Data, 260–261

Safe Mode Boot, 252

System File Checker (98, 2000 and XP), 252–255

System Restore, 258–259

Windows 9X, reinstalling, 258–259

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