Acer TravelMate 800 Series Service Manual page 38

Memory Address Map
Memory Address
000A0000h-00000000h
I/O Address Map
I/O Address
000-00F
020-021
040-043
060, 064
061
040B
061
070-073
080-08F
0A0-0A1
0C0-0DF
66, 62
0F0-0FF
170-177
1F0-1F7
220-22F
240-24F
278-27F
378,37A
3B0-3BB
3C0-3DF
3F0h-3F7
3F0-3F7
480-48F, 4D6
4D0-4D1
CF8-CFF
IRQ Assignment Map
Interrupt Channel
IRQ00
IRQ01
IRQ03
IRQ04
IRQ05
IRQ06
IRQ07
IRQ08
IRQ09
IRQ10
IRQ11
IRQ12
30
Size
640KB
DMA controller-1
Interrupt controller-1
Timer 1
Keyboard controller 38859 chip select
System speaker out
DMA controller-1
System speaker
Real-time clock and NMI mask
DMA page register
Interrupt controller-2
DMA controller-2
Power management controller
Numeric data processor
2nd EIDE device (CD-ROM) select
1st EIDE device (hard drive) select
Audio
Audio (optional)
Parallel port 3
Paraller port 1
Video Controller
Standard Floppy Disk Controller
Floppy disk controller
DMA controller-1
PCI configuration register
System Timer
Keyboard
IrDA Fast Infrared Port
Communications Port (COM1)
LAN, USB
Free
Free
System CMOS / realtime clock
SCI IRQ used by ACPI bus, Wireless LAN
USB, Modem, VGA, MultiMedia Bay, 1394, Audio
O2 Micro Smart CardBus Reader
Synaptics PS/2 port pointing device
Function
Conventional memory
Function
Function(Hardware)
Chapter 1