2.5.3
2.5.3
2.5.3
Interrupt assignments
Interrupt assignments
Interrupt assignments
2.5.3
2.5.3
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
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
IEEE 1394a
LAN (88E8001)
PCI-E x1_1
PCI-E x1_2
PCI-E x16_1
PCI-E x16_2
USB 1.0 controller 1
USB 1.0 controller 2
USB 1.0 controller 3
USB 1.0 controller 4
USB 2.0 controller
HD audio
SATA JMB360
On-board SATA
When using PCI cards on shared slots, ensure that the drivers support
"Share IRQ" or that the cards do not need IRQ assignment; otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
2 - 1 8
2 - 1 8
2 - 1 8
2 - 1 8
2 - 1 8
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
1
System Timer
2
Keyboard Controller
—
Re-direct to IRQ #9
11
Reserved
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/SATA Channel
10
Secondary IDE/SATA Channel
A A A A A
—
—
—
—
shared shared shared shared
shared shared shared shared
shared shared shared shared
shared shared shared shared
—
—
—
—
—
shared
shared shared shared shared
—
B B B B B
C C C C C
D D D D D
—
—
—
shared shared shared shared
—
—
—
shared shared shared shared
—
—
—
—
—
—
—
—
shared
—
—
shared
—
—
shared
—
—
shared
—
—
shared
—
—
—
—
—
—
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
E E E E E
F F F F F
G G G G G
—
—
shared
—
—
shared
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
shared
—
—
H H H H H