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16
Chapter 1
0A0000 - 0BFFFF
128KBytes
PCI/ISA Video Buffer Memory
0C0000 - 0C7FFF
32KBytes
Video BIOS Memory
0C8000 - 0DFFFF
96Kbytes
ISA Card BIOS & Buffer Memory
0E0000 - 0EFFFF
64Kbytes
BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
0F0000 - 0FFFFF
64Kbytes
System BIOS Memory
100000 - UPPER LIMIT
Main Memory
UPPER LIMIT - 4GBytes
PCI Memory
PCI INTx# and IDSEL Assignment Map
PCI INTx #
PCI Devices
Device IDSEL: ADxx
INTA#
ADIMM-slot
N
INTB#
PCI-Slot1
AD20
INTC#
PCI-Slot2
AD22
INTD#
PCI-Slot3
AD24
PCI Slot IRQ Routing Map
PCI INTX#
INTA
INTB
INTC
INTD
Bus Mastering
PCI slot 1
Route 4
Route 1
Route 2
Route 3
Enabled
PCI slot 2
Route 3
Route 4
Route 1
Route 2
Enabled
PCI slot 3
Route 2
Route 3
Route 4
Route 1
Enabled
I/O Address Map
Hex Range
Devices
000-01F
020-021
040-043
060-060
061-061
070-071
080-08F
0A0-0A1
0C0-0DF
0F0-0FF
170-177
1F0-1F7
278-27F
2F8-2FF
378-37F
3F0-3F5
3F6-3F6
3F7-3F7
3F8-3FF
0CF8
0CFC
778-77A
DMA Controller-1
Interrupt Controller-1
System Timer
Keyboard Controller 8742
System Speaker
CMOS RAM Address and Real Time Clock
DMA Page Register
Interrupt Controller-2
DMA Controller-2
Math Co-Processor
Secondary IDE
Primary IDE
Parallel Printer Port 2
Serial Asynchronous Port 2
Parallel Printer Port 1
Floppy Disk Controller
Secondary IDE
Primary IDE
Serial Asynchronous Port 1
Configuration Address Register
Configuration Data Register
Parallel Printer Port 1
Memory Address Map
Address
Size
Function
Содержание Power Sd
Страница 6: ...VI...
Страница 51: ...46 Chapter 2...
Страница 53: ...48 Chapter 3...
Страница 71: ...66 Chapter 4...
Страница 79: ...74 Chapter 6...
Страница 81: ...76 Appendix A...
Страница 87: ...82 Appendix C...
Страница 91: ...86 Index...