I/O Address Map
I/O Address | Function |
|
|
040B | DMA |
|
|
061 | System speaker |
|
|
|
|
DMA page register | |
|
|
Interrupt | |
|
|
DMA | |
|
|
Numeric data processor | |
|
|
66, 62 | Power management controller |
|
|
2nd EIDE device | |
|
|
1st EIDE device (hard drive) select | |
|
|
378, 37F | Parallel port 1 |
|
|
Video Controller | |
| |
|
|
Standard Floppy Disk Controller | |
|
|
Floppy disk controller | |
|
|
DMA | |
|
|
PCI configuration register | |
|
|
IRQ Assignment Map |
|
Interrupt Channel | Function(Hardware) |
|
|
IRQ00 | System timer |
|
|
IRQ01 | Keyboard |
|
|
IRQ06 | Floppy |
|
|
IRQ08 | CMOS/RTC |
|
|
IRQ09 | SCI IRQ used by ACPI bus |
|
|
IRQ10 | Audio, Modem, |
|
|
IRQ11 | USB, CardBus controller, LAN |
|
|
IRQ12 | Alps pointing device |
|
|
IRQ13 | Numeric data processor |
|
|
IRQ14 | 1st EIDE device (hard disk) |
|
|
IRQ15 | 2nd EIDE device |
|
|
DMA Channel Assignment
DMA Channel | Function(Hardware) |
|
|
DRQ0 | Reserved |
|
|
DRQ1 | Reserved |
|
|
DRQ2 | Floppy |
|
|
DRQ3 | ECP printer port (LPT1) |
|
|
DRQ4 | DMA controller |
|
|
DRQ5 | Reserved |
|
|
DRQ6 | Reserved |
|
|
DRQ7 | Reserved |
|
|
34 | Chapter 1 |
