Acer 3000 series Laptop User Manual


 
30 Chapter 1
000-00F DMA controller-1
020-021 Interrupt controller-1
040-043 Timer 1
060, 064 Keyboard controller NS87591 chip select
070-073 Real-time clock and CMOS
0A0-0A1 Interrupt controller-2
0C0-0DF DMA controller-2
066, 062 ACPI EC interface (NS87591)
170-177 Secondary IDE channel
1F0-1F7 Primary IDE channel
378, 37F Parallel port
3B0-3BB
3C0-3DF
VGA I/O adress
CF8-CFF PCI configuration register
000-00F DMA controller-1
IRQ Assignment Map
Interrupt Channel Function(Hardware)
IRQ00 System timer
IRQ01 Keyboard
IRQ02 Programmable interrupt controller
IRQ03 IrDA Fast Infrared Port
IRQ04 Communication port (COM1)
IRQ05 Winbond SD controller
IRQ06 Standard floppy disk controller
IRQ07 ECP printer port (LPT1)
IRQ08 CMOS/RTC
IRQ09 SCI IRQ used by ACPI bus
IRQ12 PS/2 mouse
IRQ13 Numeric data processor
IRQ14 Primary IDE channel
IRQ15 Secondary IDE channel
DMA Channel Assignment
Item Specification
Channel 1 IrDA Fast Infrared Port
Channel 3 ECP printer port
Channel 4 DMA controller
I/O Address Map
I/O Address Function