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
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
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
PCI slot 1
PCI slot 2
PCI Express x16 slot
PCI Express x1 slot1
Onboard USB controller 1
Onboard USB controller 2
Onboard USB controller 3
Onboard USB controller 4
Onboard USB 2.0 controller
Onboard Azalia Audio
Onboard IDE Controller
Onboard SATA Controller
Onboard LAN
When using PCI cards on shared slots, ensure that the drivers support
"Share IRQ" or that the cards do not need IRQ assignments; otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
2 - 1 6
2 - 1 6
2 - 1 6
2 - 1 6
2 - 1 6
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
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
1
System Timer
2
Keyboard Controller
-
Re-direct to IRQ#9
11
Communications Port (COM2)*
12
Communications Port (COM1)*
13
IRQ holder for PCI steering*
14
Floppy Disk Controller
15
Printer Port (LPT1)*
3
System CMOS/Real Time Clock
4
IRQ holder for PCI steering*
5
IRQ holder for PCI steering*
6
IRQ holder for PCI steering*
7
PS/2 Compatible Mouse Port*
8
Numeric Data Processor
9
Primary IDE Channel
10
Secondary IDE Channel
A A A A A
—
—
shared
—
shared
—
—
—
shared
—
shared
—
—
—
B B B B B
C C C C C
D D D D D
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
shared
—
shared
—
—
—
—
—
—
—
—
—
—
—
shared
—
—
—
shared
—
—
—
shared
C h a p t e r 2 : B a s i c i n s t a l l a t i o n
C h a p t e r 2 : B a s i c i n s t a l l a t i o n
C h a p t e r 2 : B a s i c i n s t a l l a t i o n
C h a p t e r 2 : B a s i c i n s t a l l a t i o n
C h a p t e r 2 : B a s i c i n s t a l l a t i o n
E E E E E
F F F F F
G G G G G
—
used
—
—
—
—
used
—
—
—
—
—
—
—
—
—
—
—
—
shared
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
shared
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
H H H H H