Acer Power SD Service Manual page 23

Memory Address Map
Address
0A0000 - 0BFFFF
0C0000 - 0C7FFF
0C8000 - 0DFFFF
0E0000 - 0EFFFF
0F0000 - 0FFFFF
100000 - UPPER LIMIT
UPPER LIMIT - 4GBytes
PCI INTx# and IDSEL Assignment Map
PCI INTx #
INTA#
INTB#
INTC#
INTD#
PCI Slot IRQ Routing Map
PCI INTX#
PCI slot 1 Route 4
PCI slot 2 Route 3
PCI slot 3 Route 2
I/O Address Map
Hex Range
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
16
128KBytes
32KBytes
96Kbytes
64Kbytes
64Kbytes
PCI Devices
ADIMM-slot
PCI-Slot1
PCI-Slot2
PCI-Slot3
INTA INTB
Route 1
Route 4
Route 3
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
Size
PCI/ISA Video Buffer Memory
Video BIOS Memory
ISA Card BIOS & Buffer Memory
BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
System BIOS Memory
Main Memory
PCI Memory
N
AD20
AD22
AD24
INTC INTD
Route 2 Route 3
Route 1 Route 2
Route 4 Route 1
Devices
Function
Device IDSEL: ADxx
Bus Mastering
Enabled
Enabled
Enabled
Chapter 1