Asus K8V-MX K8V-MX User's Manual for English Edition - Page 25

Standard Interrupt Assignments, IRQ assignments for this motherboard - sound drivers

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Standard Interrupt Assignments IRQ Priority 0 1 1 2 2 N/A 3 11 4* 12 5* 13 6 14 7* 15 8 3 9* 4 10* 5 11* 6 12* 7 13 8 14* 9 15* 10 Standard Function System Timer Keyboard Controller Programmable Interrupt Communications Port (COM2) Communications Port (COM1) Sound Card (sometimes LPT2) Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock ACPI Mode when used IRQ Holder for PCI Steering IRQ Holder for PCI Steering PS/2 Compatible Mouse Port Numeric Data Processor Primary IDE Channel Secondary IDE Channel * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard PCI slot 1 PCI slot 2 PCI slot 3 AGP slot INT A shared -- -- shared INT B -- shared -- -- INT C -- -- shared -- INT D -- -- -- -- 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

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ASUS K8V-MX Motherboard
1-15
Standard Interrupt Assignments
IRQ assignments for this motherboard
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.
*
These IRQs are usually available for ISA or PCI devices.
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
INT A
INT B
INT C
INT D
PCI slot 1
shared
––
––
––
PCI slot 2
––
shared
––
––
PCI slot 3
––
––
shared
––
AGP slot
shared
––
––
––