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ASUS A7V400-MX motherboard user guide
1-11
IRQ assignments for this motherboard
ABCD
PCI slot 1 shared –– –– ––
PCI slot 2 –– shared –– ––
PCI slot 3 –– –– shared ––
AGP slot shared –– –– ––
Standard Interrupt Assignments
IRQ Standard Function
0 System Timer
1 Keyboard Controller
2 Programmable Interrupt Controller
3* USB Universal Host Controller
4* Communications Port (COM1)
5* Onboard Audio
6 Standard Floppy Disk Controller
7* Printer Port (LPT1)
8 System CMOS/Real Time Clock
9* Onboard LAN
10* USB Universal Host Controller
11* Onboard VGA
12* PS/2 Compatible Mouse Port
13 Numeric Data Processor
14* Ultra ATA Controller
15* Secondary Ultra ATA Controller
* These IRQs are usually available for ISA or PCI devices.