I/O Address Map
I/O Address | Function |
|
|
DMA controller | |
|
|
Programmable interrupt controller | |
|
|
PCI bus | |
|
|
Programmable interrupt controller | |
| |
|
|
System timer | |
|
|
0060, 0064 | Keyboard controller |
|
|
0062, 0066 | |
|
|
System CMOS/real time clock | |
|
|
DMA controller | |
|
|
Programmable interrupt controller | |
| |
| |
|
|
DMA controller | |
|
|
Numeric data processor | |
|
|
2nd EIDE device (optical drive) select | |
|
|
1st EIDE device (hard drive) select | |
|
|
ISAPNP Read Data Port | |
|
|
IrDA FIR | |
|
|
Video Controller | |
|
|
Standard Floppy Disk Controller | |
|
|
Programmable interrupt controller | |
|
|
| PCI bus |
|
|
Ultra ATA Storage Controller | |
|
|
USB Universal Host Controller | |
|
|
SMBus Controller | |
|
|
Audio Controller | |
|
|
Modem Controller | |
|
|
Ethernet Controller | |
|
|
Compatible CardBus Controller | |
|
|
IRQ Assignment Map |
|
Interrupt Channel | Function (Hardware) |
|
|
IRQ00 | System timer |
|
|
IRQ01 | Keyboard |
|
|
IRQ03 | IrDA FIR/PCI candidate |
|
|
IRQ04 | COM1/PCI candidate |
|
|
IRQ05 | PCI candidate |
|
|
IRQ06 | Reserved |
|
|
IRQ07 | LPT (Parallel port)/PCI Candidate |
|
|
IRQ08 | CMOS/RTC |
|
|
IRQ09 | SCI IRQ used by ACPI |
|
|
Chapter 1 | 25 |