H (hidden) attribute (DOS), 129
H0 channel, 73
half-duplex communication, 176
hard drives, 29, 30
basics, 30-31
configurations, 42-48
drive organization, 39-40
file system for, 288-289
IDE drives, 31-35
partitions, 41
SCSI drives, 36-39
Hardware Compatibility List (Microsoft), 78
hardware configuration, 81-91
base memory, 86-87
DMA (direct memory access), 90, 90-91
driver installation, 83
I/O memory, 88-89
installation, 82
interrupts, 84-85
system resources, 87-88
hardware profile, NT 4 support for, 238
Help and Support, 143, 146, 147
help, for commands at DOS prompt, 118
Hercules Graphics Controller (HGC), 64
hexadecimal address, 170
HGC (Hercules Graphics Controller), 64
hidden files, 115
hop, 172
hot-pluggable devices, 62
HTML (Hypertext Markup Language), 190
hubs, 169, 200
managed, 171
Hyper Pipeline, 12
Hypertext Markup Language (HTML), 190
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