Standard interrupt assignments, Irq assignments for this motherboard – Asus P5AD2 Premium User Manual
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2 - 1 6
2 - 1 6
2 - 1 6
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C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
2.5.3
2.5.3
2.5.3
2.5.3
2.5.3
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
I R Q
I R Q
I R Q
I R Q
I R Q
P r i o r i t y
P r i o r i t y
P r i o r i t y
P r i o r i t y
P r i o r i t y
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
11
Communications Port (COM2)*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
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
PS/2 Compatible Mouse Port*
13
8
Numeric Data Processor
14
9
Primary IDE Channel
15
10
Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
D
D
D
D
D
E
EE
EE
F
FF
FF
G
G
G
G
G
H
H
H
H
H
PCI slot 1
—
—
—
—
—
—
shared
—
PCI slot 2
—
—
—
—
—
shared
—
—
PCI slot 3
—
shared
—
—
—
—
—
—
PCI E x16 slot
shared
—
—
—
—
—
—
—
PCI E x1 slot 1
shared
—
—
—
—
—
—
—
PCI E x1 slot 2
—
—
—
shared —
—
—
—
Onboard USB controller 1
shared
—
—
—
—
—
—
—
Onboard USB controller 2
—
shared
—
—
—
—
—
—
Onboard USB controller 3
—
—
shared
—
—
—
—
—
Onboard USB controller 4
—
—
—
shared —
—
—
—
Onboard USB 2.0 controller
shared
—
—
—
—
—
—
—
Onboard IDE port
shared
—
—
—
—
—
—
—
Onboard SATA port
—
shared
—
—
—
—
—
—
Onboard Azalia audio
shared
—
—
—
—
—
—
—
Onboard LAN1
—
shared
—
—
—
—
—
—
Onboard LAN2
—
—
shared
—
—
—
—
—
Onboard wireless LAN
—
—
—
—
used
—
—
—
Onboard PCI SATA RAID (SI)
—
—
—
—
—
—
shared
—
Onboard PCI IDE RAID (ITE)
—
—
—
—
—
—
—
used
Onboard 1394b controller
—
—
—
—
—
shared
—
—