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Chapter 1
25
Memory Address Map
Memory Address
Size
Function
00000000-0009FFFF
640 KB
Base memory
000A0000-000BFFFF
128 KB
Video memory
000C0000-000CBFFF
40 KB
Video BIOS
000E0000-000FFFFF
128 KB
System BIOS
00100000-top limited
04000000-04000FFF
04001000-04001FFF
80100000-801000FF
80500000-805FFFFF
80800000-80BFFFFF
81000000-81FFFFFF
82100000-82100FFF
--
4 KB
4 KB
256 B
1 MB
3 MB
16 MB
4 MB
Extended (DIMM) memory
PCMCIA controller (slot 1)
PCMCIA controller (slot 2)
Lucent Win Modem
NetMagic VGA
Neomagic VGA
FFFF0000-FFFFFFFF
64 KB
System board extension for PnP BIOS
I/O Address Map
I/O Address
Function
000-00F
DMA controller-1
020-021
Interrupt controller-1
040-043
Timer 1
060, 064
Keyboard controller 8742 chip select
061
System speaker out
040B DMA
controller-1
061
System speaker
070-071
Real-time clock and NMI mask
080-08F
DMA page register
0A0-0A1
Interrupt controller-2
0C0-0DF
DMA controller-2
0F0-0FF
Numeric data processor
120-13F, 180-18F
Power management controller
170-177
2nd EIDE device (CD-ROM) select
1F0-1F7
1st EIDE device (hard drive) select
220-22F
Audio
240-24F
Audio(optional)
278-27F
Parallel port 3
2E8-2EF
LT Win modem or COM4 (optional)
2F8-2FF
COM2 or LT Win modem(optional)
378, 37A
Parallel port 2
3BC-3BE
Parallel port 1
3B0-3BB, 3C0-3DF
Video Controller
3F0h-3F7
Standard Floppy Disk Controller
3E8-3EF
COM3 or LT Win modem (optional)
3F0-3F7
Floppy disk controller
3F8-3FF
COM1 or LT Win modem (optional)
480-48F, 4D6
DMA controller-1
4D0-4D1, CF8-CFF
PCI configuration register
505-1.book Page 25 Thursday, November 4, 1999 4:36 PM
Summary of Contents for TravelMate 505
Page 80: ...74 Chapter 6 505 1 book Page 74 Thursday November 4 1999 4 36 PM ...
Page 94: ...88 Appendix A 505 1 book Page 88 Thursday November 4 1999 4 36 PM ...
Page 98: ...92 Appendix B 505 1 book Page 92 Thursday November 4 1999 4 36 PM ...
Page 100: ...94 Appendix C 505 1 book Page 94 Thursday November 4 1999 4 36 PM ...
Page 104: ...98 Index 505 1 book Page 98 Thursday November 4 1999 4 36 PM ...