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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 slot
Onboard USB controller 0
Onboard USB controller 1
Onboard USB controller 2
Onboard EHCI controller
Onboard SATA Controller
Onboard Audio Controller
Onboard VGA
Onboard IEEE1394
Onboard Gigabit 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 2
2 - 1 2
2 - 1 2
2 - 1 2
2 - 1 2
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
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
1
System Timer
2
Keyboard Controller
-
Programmable interrupt
11
Communications Port (COM2)*
12
-
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
MIDI port*
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
used
—
B B B B B
C C C C C
D D D D D
—
—
—
shared
—
—
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
—
—
—
—
used
—
—
—
—
—
—
—
—
—
—
—
—
—
H H H H H
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