Asus P9X79 WS User Manual - Page 36

IRQ assignments for this motherboard, Standard Interrupt assignments, System CMOS/Real Time Clock - front audio

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Standard Interrupt assignments IRQ Priority Standard function 0 1 System Timer 1 2 Keyboard Controller 2 - Programmable Interrupt 4 12 Communications Port (COM1) 5 13 IRQ Holder for PCI Steering 6 14 Reserved 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 PCIEx16_1 shared - - - - - - - PCIEx16_2 shared - - - - - - - PCIEx16_3 shared - - - - - - - PCIEx16_4 shared - - - - - - - PCIEx16_5 shared - - - - - - - PCIEx16_6 shared - - - - - - - Marvell9128 shared - - - - - - - VIA1394 - shared - - - - - - Asmedia USB3.0-1 shared - - - - - - - Asmedia USB3.0-2 - shared - - - - - - LAN1 (82579V) - - shared - - - - - LAN2 (82574L) - - - shared - - - - SATA Controller 1 - - shared - - - - - SATA Controller 2 - - - - shared - - - USB 2.0 Controller 1 - - - - - - - shared USB 2.0 Controller 2 - - - - - - - shared HD Audio - - - - - - shared - 2-8 Chapter 2: Hardware information

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IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCIEx16_1
shared
–
–
–
–
–
–
–
PCIEx16_2
shared
–
–
–
–
–
–
–
PCIEx16_3
shared
–
–
–
–
–
–
–
PCIEx16_4
shared
–
–
–
–
–
–
–
PCIEx16_5
shared
–
–
–
–
–
–
–
PCIEx16_6
shared
–
–
–
–
–
–
–
Marvell9128
shared
–
–
–
–
–
–
–
VIA1394
–
shared
–
–
–
–
–
–
Asmedia USB3.0-1
shared
–
–
–
–
–
–
–
Asmedia USB3.0-2
–
shared
–
–
–
–
–
–
LAN1 (82579V)
–
–
shared
–
–
–
–
–
LAN2 (82574L)
–
–
–
shared
–
–
–
–
SATA Controller 1
–
–
shared
–
–
–
–
–
SATA Controller 2
–
–
–
–
shared
–
–
–
USB 2.0 Controller 1
–
–
–
–
–
–
–
shared
USB 2.0 Controller 2
–
–
–
–
–
–
–
shared
HD Audio
–
–
–
–
–
–
shared
–
IRQ
Priority
Standard function
0
1
System Timer
1
2
Keyboard Controller
2
-
Programmable Interrupt
4
12
Communications Port (COM1)
5
13
IRQ Holder for PCI Steering
6
14
Reserved
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
Standard Interrupt assignments
2-8
Chapter 2: Hardware information