Dell Latitude CPi User Guide - Page 150

I/O Memory Map, Start, Settings, Control, Panel, System, Device Manager, Computer

Page 150 highlights

000F0000-000FFFFF 00100000-03FFFFFF FD000000-FDFFFFFF FF200000-FF2FFFFF FFFE0000-FFFFFFFF System BIOS High memory area Video RAM Video RAM BIOS ROM I/O Memory Map Table 6 provides a map of memory addresses reserved by the system for peripheral I/O devices. Use the information in Table 6 to determine if the memory address of an external peripheral (such as a PC Card) conflicts with a memory address reserved by the system. Check the documentation of the external I/O device to determine its memory address. If there is a conflict with a memory address reserved by the system, change the address of the device. NOTE: To view I/O addresses in Windows 95 and Windows 98, click the Start button, point to Settings, and click Control Panel. Double-click the System icon. Click the Device Manager tab, and then double-click Computer. Table 6. I/O Memory Map Address 0000-001F 0020-003F 0040-005F 0060-006F 0070-007F 0080-009F 00A0-00BF 00C0-00DF 00F0-00FF 0170-0177 01F0-01F7 0210-0217 0220-022F 0270-0277 0376-0376 0378-037F 0388-038B 038B-03BB 03C0-03DF 03E0-03E1 03E8-03EF Device DMA controller #1 Interrupt controller #1 System timers Keyboard controller RTC and NMI enable DMA page registers Interrupt controller #2 DMA controller #2 Math coprocessor CD-ROM controller Hard-disk drive controller Audio controller Audio controller Fast IR IDE controller LPT1 Audio controller VGA VGA PC Card controller Fast IR

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208

000F0000-000FFFFF
System BIOS
00100000-03FFFFFF
High memory area
FD000000-FDFFFFFF
Video RAM
FF200000-FF2FFFFF
Video RAM
FFFE0000-FFFFFFFF
BIOS ROM
I/O Memory Map
Table 6
provides a map of memory addresses reserved by the system for peripheral I/O devices. Use the information in Table 6 to
determine if the memory address of an external peripheral (such as a PC Card) conflicts with a memory address reserved by the
system.
Check the documentation of the external I/O device to determine its memory address. If there is a conflict with a memory address
reserved by the system, change the address of the device.
NOTE: To view I/O addresses in Windows 95 and Windows 98, click the
Start
button, point to
Settings
, and click
Control
Panel
. Double-click the
System
icon. Click the
Device Manager
tab, and then double-click
Computer
.
Table 6. I/O Memory Map
Address
Device
0000-001F
DMA controller #1
0020-003F
Interrupt controller #1
0040-005F
System timers
0060-006F
Keyboard controller
0070-007F
RTC and NMI enable
0080-009F
DMA page registers
00A0-00BF
Interrupt controller #2
00C0-00DF
DMA controller #2
00F0-00FF
Math coprocessor
0170-0177
CD-ROM controller
01F0-01F7
Hard-disk drive controller
0210-0217
Audio controller
0220-022F
Audio controller
0270-0277
Fast IR
0376-0376
IDE controller
0378-037F
LPT1
0388-038B
Audio controller
038B-03BB
VGA
03C0-03DF
VGA
03E0-03E1
PC Card controller
03E8-03EF
Fast IR