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ASUS A8R-MVPASUS A8R-MVP
ASUS A8R-MVPASUS A8R-MVP
ASUS A8R-MVP
2-152-15
2-152-15
2-15
2.5.32.5.3
2.5.32.5.3
2.5.3
Interrupt assignmentsInterrupt assignments
Interrupt assignmentsInterrupt assignments
Interrupt assignments
Standard interrupt assignmentsStandard interrupt assignments
Standard interrupt assignmentsStandard interrupt assignments
Standard interrupt assignments
IRQIRQ
IRQIRQ
IRQ
PriorityPriority
PriorityPriority
Priority
Standard FunctionStandard Function
Standard FunctionStandard Function
Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 — Re-direct to IRQ #9
3 11 Reserved
4 12 Communications Port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)*
8 3 System CMOS/Real Time Clock
9 4 IRQ holder for PCI steering*
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/SATA Channel
15 10 Secondary IDE/SATA Channel
* These IRQs are usually available for ISA or PCI devices.* These IRQs are usually available for ISA or PCI devices.
* These IRQs are usually available for ISA or PCI devices.* These IRQs are usually available for ISA or PCI devices.
* These IRQs are usually available for ISA or PCI devices.
When using PCI cards on shared slots, ensure that the drivers support
“Share IRQ” or that the cards do not need IRQ assignment; otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
IRQ assignments for this motherboardIRQ assignments for this motherboard
IRQ assignments for this motherboardIRQ assignments for this motherboard
IRQ assignments for this motherboard
AA
AA
A
BB
BB
B
CC
CC
C
DD
DD
D
EE
EE
E
FF
FF
F
GG
GG
G
HH
HH
H
PCI slot 1 — shared shared shared shared — — —
PCI slot 2 — — shared shared shared shared — —
PCI slot 3 — — — shared shared shared shared —
IEEE 1394 — — — — shared — — —
LAN — — — — — shared — —
PCI-E x1 shared shared shared shared ————
PCI-E x16_1 shared shared shared shared ————
PCI-E x16_2 shared shared shared shared ————
Onboard USB controller 1 shared — — — ————
Onboard USB controller 2 — shared — — ————
Onboard USB controller 3 — — shared — ————
Onboard USB 2.0 controller — — — shared ————
HD audio — — shared — ————