3 interrupt assignments, Standard interrupt assignments, Irq assignments for this motherboard – Asus Rampage III Extreme User Manual
Page 56

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
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/X8_1
shared
–
–
–
–
–
–
–
PCIEX8_2
shared
–
–
–
–
–
–
–
PCIEX16/X8_3
shared
–
–
–
–
–
–
–
PCIEX8_4
shared
–
–
–
–
–
–
–
PCIEX4_1
shared
–
–
–
–
–
–
–
USB 1.0#1
–
–
–
–
–
–
–
shared
USB 1.0#2
–
–
–
shared
–
–
–
–
USB 1.0#3
–
–
shared
–
–
–
–
–
USB 1.0#4
shared
–
–
–
–
–
–
–
USB 1.0#5
–
–
–
–
–
shared
–
–
USB 1.0#6
shared
–
–
–
–
–
–
–
USB 1.0#7
–
–
–
shared
–
–
–
–
USB 2.0#1
–
–
–
–
–
–
–
shared
USB 2.0#2
–
–
shared
–
–
–
–
–
SATA_1
–
–
shared
–
–
–
–
–
SATA_2
–
–
–
–
shared
–
–
–
MVL9128
shared
–
–
–
–
–
–
–
JMB36X
shared
–
–
–
–
–
–
–
HD Audio
–
–
–
–
–
shared
–
IEEE 1394
–
–
shared
–
–
–
–
–
PCI1
shared
–
–
–
–
–
–
–
2-26
Chapter 2: Hardware information