Asus P5Q3 Deluxe WiFi-AP n User Manual - Page 40

Interrupt assignments

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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard function 0 1 System Timer 1 2 Keyboard Controller 2 - Redirect to IRQ#9 4 12 Communications Port (COM1)* 5 13 IRQ Holder for PCI Steering* 6 14 Floppy Disk Controller 7 15 Reserved 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 Reserved 13 8 Numeric Data Processor 14 9 Primary IDE Channel * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard A B C D E F G H PCIE1_1 - - shared - - - - - PCIE1_2 - - - shared - - - - PCIE16_1 shared - - - - - - - PCIE16_2 shared - - - - - - - PCIE16_3 shared - - - - - - - LAN (8056) - shared - - - - - - LAN (8001) - - shared - - - - - Marvell 6121 shared - - - - - - - PCI_1 shared - - - - - - - PCI_2 - shared - - - - - - USB controller 1 - - - - - - - shared USB controller 2 - - - shared - - - - USB controller 3 - - shared - - - - - USB controller 4 shared - - - - - - - USB controller 5 shared - - - - - - - USB controller 6 - - - - - shared - - USB 2.0 controller 1 - - - - - - - shared USB 2.0 controller 2 - - shared - - - - - SATA controller 1 - - shared - - - - - SATA controller 2 - - - shared - - - - Audio Azalia - - - - - - shared - 2-16 Chapter 2: Hardware information

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2-16
Chapter 2: Hardware information
2.5.3
Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for PCI devices.
IRQ
Priority
Standard function
0
1
System Timer
1
2
Keyboard Controller
2
–
Redirect to IRQ#9
4
12
Communications Port (COM1)*
5
13
IRQ Holder for PCI Steering*
6
14
Floppy Disk Controller
7
15
Reserved
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
Reserved
13
8
Numeric Data Processor
14
9
Primary IDE Channel
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCIE1_1
–
–
shared
–
–
–
–
–
PCIE1_2
–
–
–
shared
–
–
–
–
PCIE16_1
shared
–
–
–
–
–
–
–
PCIE16_2
shared
–
–
–
–
–
–
–
PCIE16_3
shared
–
–
–
–
–
–
–
LAN (8056)
–
shared
–
–
–
–
–
–
LAN (8001)
–
–
shared
–
–
–
–
–
Marvell 6121
shared
–
–
–
–
–
–
–
PCI_1
shared
–
–
–
–
–
–
–
PCI_2
–
shared
–
–
–
–
–
–
USB controller 1
–
–
–
–
–
–
–
shared
USB controller 2
–
–
–
shared
–
–
–
–
USB controller 3
–
–
shared
–
–
–
–
–
USB controller 4
shared
–
–
–
–
–
–
–
USB controller 5
shared
–
–
–
–
–
–
–
USB controller 6
–
–
–
–
–
shared
–
–
USB 2.0 controller 1
–
–
–
–
–
–
–
shared
USB 2.0 controller 2
–
–
shared
–
–
–
–
–
SATA controller 1
–
–
shared
–
–
–
–
–
SATA controller 2
–
–
–
shared
–
–
–
–
Audio Azalia
–
–
–
–
–
–
shared
–