Asus P5K SE EPU User Manual - Page 42

Interrupt assignments

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2.5.3 Interrupt assignments IRQ Standard function 0 System timer 1 Keyboard controller 2 Re-direct to IRQ#9 3 IRQ holder for PCI steering* 4 Communications port (COM1)* 5 IRQ holder for PCI steering* 6 Floppy disk controller 7 IRQ holder for PCI steering* 8 System CMOS/Real Time Clock 9 IRQ holder for PCI steering* 10 IRQ holder for PCI steering* 11 IRQ holder for PCI steering* 12 IRQ holder for PCI steering* 13 Numeric data processor 14 Primary IDE channel 15 Secondary IDE channel * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard A B C D E PCI slot 1 shared - - - - PCI slot 2 - shared - - - LAN (L1) - shared - - - SATA (Marvell) shared - - - - PCIE x16 - - shared - - PCIE x1_1 shared - - - - PCIE x1_2 - shared - - - PCIE x1_3 - - shared - - USB controller 1 - - - shared - USB controller 2 - - shared - - USB controller 3 shared - - - - USB controller 4 shared - - - - USB controller 5 - - - - - USB controller 6 - - shared - - USB 2.0 controller 1 - - - - - USB 2.0 controller 2 - - shared - - SATA controller 1 - - shared - - SATA controller 2 - - - - - Azalia 883 - - - - - F G H - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - shared - - - - - - - shared - - - - - - - shared - - shared - 2-20 Chapter 2: Hardware information

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2-20
Chapter 2: Hardware information
2.5.3
Interrupt assignments
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
shared
PCI slot 2
shared
LAN (L1)
shared
SATA (Marvell)
shared
PCIE x16
shared
PCIE x1_1
shared
PCIE x1_2
shared
PCIE x1_3
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
Azalia 883
shared
IRQ
Standard function
0
System timer
1
Keyboard controller
2
Re-direct to IRQ#9
3
IRQ holder for PCI steering*
4
Communications port (COM1)*
5
IRQ holder for PCI steering*
6
Floppy disk controller
7
IRQ holder for PCI steering*
8
System CMOS/Real Time Clock
9
IRQ holder for PCI steering*
10
IRQ holder for PCI steering*
11
IRQ holder for PCI steering*
12
IRQ holder for PCI steering*
13
Numeric data processor
14
Primary IDE channel
15
Secondary IDE channel
* These IRQs are usually available for PCI devices.