BIOS Overview
| DMA controller |
|
|
Channel | Function |
|
|
0 | Free |
1 | Free if not used for parallel port in Setup |
2 | Floppy disk controller |
3 | Free if not used for parallel port in Setup |
4 | Used to cascade DMA channels |
5 | Free |
6 | Free |
7 | Free |
|
|
Interrupt Controllers
The Interrupt Requests (IRQs) are numbered sequentially, starting with the master controller, and followed by the slave.
| Windows 2000 and Windows XP | |
|
| |
IRQ | Interrupt Request Description | |
(Interrupt Vector) | ||
| ||
|
| |
INTR |
| |
|
| |
ISA0 | System Timer | |
|
| |
ISA1 | Standard | |
|
| |
ISA3 | Communication Port (COM2) | |
|
| |
ISA4 | Communication Port (COM1) | |
|
| |
ISA6 | Standard Floppy Disk Controller | |
|
| |
ISA8 | System CMOS/real time clock | |
|
| |
ISA9 | Microsoft | |
|
| |
ISA12 | PS/2 Compatible Mouse | |
|
| |
ISA13 | Numeric data processor | |
|
| |
ISA14 | Primary IDE Channel | |
|
| |
ISA15 | Secondary IDE Channel | |
|
| |
PCI5 | Intel(R) 82801BA/BAM SMBus Controller - 2443 | |
|
| |
PCI17 | Intel(R) 82801BA/BAM AC’97 Audio Controller - 2445 | |
|
| |
PCI19 | Intel(R) 82801BA/BAM USB Universal Host Controller - 2442 | |
|
| |
PCI20 | Intel(R) PRO/100 VE Network Connection | |
|
| |
PCI 23 | Intel(R) 82801BA/BAM USB Universal Host Controller - 2444 | |
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46 Evo D310 Micro Desktop