Asus A7V-VM Specifications download pdf (Page 11)

ASUS A7V-VM User’s Manual 11

2. HARDWARE SETUP

Expansion Cards

2. H/W SETUP

Interrupt Request Table for this Motherboard

Interrupt requests are shared as shown by the following table:

INT-A INT-B INT-C INT-D

PCI slot 1 shared — — —

PCI slot 2 — shared — —

PCI slot 3 — — not shared —

AGP slot shared — — —

Onboard LAN controller — shared — —

Onboard Audio/AMR — — not shared —

IMPORTANT: If using PCI cards on shared slots, make sure that the drivers

support “Share IRQ” or that the cards do not need IRQ assignments. Conflicts

will arise between the two PCI groups that will make the system unstable or

cards inoperable.

The following table lists the default IRQ assignments for standard PC devices. Use

this table when configuring your system and for resolving IRQ conflicts.

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 enabled

10* 5 LAN Controller

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.

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Asus A7V-VM Specifications Page 11