Interrupt Assignments - Asus P6X58-E PRO User Manual

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
IOH
NEC USB 3.0
Marvell 9128
PCIEX16_1
PCIEX16_2
ICH
PCIEX16_3
PCIEX1_1
LAN1 (Gbe)
JMicro ESATA_1
JMicro ESATA_2
PCI_1
PCI_2
USB_1
USB_2
USB_3
USB_4
USB_5
USB_6
USB 2.0_1
USB 2.0_2
SATA_1
SATA _2
Audio
ASUS P6X58-E PRO
24 25 26
– – –
– – –
– – –
– – –
A B C
shared – –
shared – –
– – –
– – –
– – –
shared – –
– shared –
– – shared
shared – –
– – –
– – –
– – –
– – shared
– – –
– – –
– – –
27 28 29
– – used
– used –
– used –
– – used
D E F
– – –
– – –
– – shared
shared – –
shared – –
– – –
– – –
shared
– – –
– – –
– – used
shared – –
– – –
– – –
– shared –
– shared –
– – –
30 31
– –
– –
– –
– –
G H
– –
– –
– –
– –
– –
– –
– –
shared
– –
– –
– –
– –
– shared
– –
– –
– –
used –
2-19