W
warranty information
See also the User's Reference
extensions and upgrades 373
service 369
welcome letter xvii
wide devices
See 16-bit devices
Windows NT
installation 26
work area, arranging 70
World Wide Web
corrective service diskettes 374
IBM Personal Computer home
page 369
PC Server information 371
using 18
write policy
changing 123
display 85, 86
WB (write-back) mode 123
WT (write-through) mode 123
write-protecting the hard disk boot
sector 286
Index 419
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