I/O Address Map
I/O Address | Function |
|
|
Primary IDE channel | |
|
|
378, 37F | Parallel port |
|
|
VGA I/O adress | |
| |
|
|
PCI configuration register | |
|
|
DMA | |
|
|
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 |
|
|
30 | Chapter 1 |
