Asus K8V-MX Standard Interrupt Assignments, IRQ assignments for this motherboard, IRQ, INT A, INT B, INT C, INT D, Priority, Standard Function, ASUS K8V-MXMotherboard

Standard Interrupt Assignments

IRQ	Priority	Standard Function
0	1	System Timer
1	2	Keyboard Controller
2	N/A	Programmable Interrupt
3	11	Communications Port (COM2)
4*	12	Communications Port (COM1)
5*	13	Sound Card (sometimes LPT2)
6	14	Floppy Disk Controller
7*	15	Printer Port (LPT1)
8	3	System CMOS/Real Time Clock
9*	4	ACPI Mode when used
10*	5	IRQ Holder for PCI Steering
11*	6	IRQ Holder for PCI Steering
12*	7	PS/2 Compatible Mouse Port
13	8	Numeric Data Processor
14*	9	Primary IDE Channel
15*	10	Secondary IDE Channel

*These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

	INT A	INT B	INT C	INT D
PCI slot 1	shared	––	––	––
PCI slot 2	––	shared	––	––
PCI slot 3	––	––	shared	––
AGP slot	shared	––	––	––

When using PCI cards on shared slots, ensure that the drivers support “ Share IRQ” or that the cards do not need IRQ assignments; otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable.

ASUS K8V-MX Motherboard 1-15